7+10 0.0131 0.04 Q V | | | |
7+15 0.0133 0.04 Q V | | | |
7+20 0.0136 0.04 Q V | | | |
7+25 0.0139 0.04 Q V | | | |
7+30 0.0142 0.04 Q V | | | |
7+35 0.0145 0.04 Q V | | | |
7+40 0.0148 0.05 Q V | | | |
7+45 0.0151 0.05 Q V | | | |
7+50 0.0155 0.05 Q V | | | |
7+55 0.0158 0.05 Q V | | | |
8+ 0 0.0162 0.05 Q V | | | |
8+ 5 0.0165 0.05 Q V | | | |
8+10 0.0169 0.06 Q V | | | |
8+15 0.0173 0.06 Q V | | | |
8+20 0.0177 0.06 Q V | | | |
8+25 0.0181 0.06 Q V| | | |
8+30 0.0185 0.06 Q V| | | |
8+35 0.0189 0.06 Q V| | | |
8+40 0.0194 0.06 Q V| | | |
8+45 0.0198 0.06 Q V| | | |
8+50 0.0202 0.06 Q V | | |
8+55 0.0207 0.07 Q V | | |
9+ 0 0.0211 0.07 Q V | | |
9+ 5 0.0216 0.07 Q V | | |
9+10 0.0221 0.07 Q |V | | |
9+15 0.0226 0.07 Q |V | | |
9+20 0.0231 0.08 Q |V | | |
9+25 0.0236 0.08 Q |V | | |
9+30 0.0242 0.08 Q | V | | |
9+35 0.0247 0.08 Q | V | | |
9+40 0.0253 0.08 Q | V | | |
9+45 0.0258 0.08 Q | V | | |
9+50 0.0264 0.08 Q | V | | |
9+55 0.0270 0.08 Q | V | | |
10+ 0 0.0276 0.09 Q | V | | |
10+ 5 0.0281 0.08 Q | V | | |
10+10 0.0285 0.06 Q | V | | |
10+15 0.0289 0.06 Q | V | | |
10+20 0.0293 0.06 Q | V | | |
10+25 0.0297 0.06 Q | V | | |
10+30 0.0301 0.06 Q | V | | |
10+35 0.0306 0.07 Q | V | | |
10+40 0.0311 0.07 Q | V | | |
10+45 0.0316 0.08 Q | V | | |
10+50 0.0322 0.08 Q | V | | |
10+55 0.0327 0.08 Q | V | | |
11+ 0 0.0332 0.08 Q | V | | |
11+ 5 0.0338 0.08 Q | V | | |
11+10 0.0343 0.07 Q | V | | |
11+15 0.0348 0.07 Q | V | | |
Item Number: 1.
11+20 0.0353 0.07 Q | V | | |
11+25 0.0358 0.07 Q | V | | |
11+30 0.0363 0.07 Q | V | | |
11+35 0.0368 0.07 Q | V | | |
11+40 0.0373 0.07 Q | V | | |
11+45 0.0377 0.07 Q | V | | |
11+50 0.0382 0.07 Q | V| | |
11+55 0.0387 0.07 Q | V| | |
12+ 0 0.0391 0.07 Q | V| | |
12+ 5 0.0397 0.08 Q | V| | |
12+10 0.0403 0.09 Q | V | |
12+15 0.0410 0.10 Q | V | |
12+20 0.0417 0.10 Q | V | |
12+25 0.0424 0.10 Q | |V | |
12+30 0.0431 0.10 Q | |V | |
12+35 0.0438 0.10 Q | |V | |
12+40 0.0445 0.11 Q | | V | |
12+45 0.0453 0.11 Q | | V | |
12+50 0.0460 0.11 Q | | V | |
12+55 0.0468 0.11 Q | | V | |
13+ 0 0.0476 0.11 Q | | V | |
13+ 5 0.0484 0.12 Q | | V | |
13+10 0.0493 0.13 Q | | V | |
13+15 0.0502 0.13 Q | | V | |
13+20 0.0511 0.13 Q | | V | |
13+25 0.0520 0.13 Q | | V | |
13+30 0.0529 0.13 Q | | V | |
13+35 0.0537 0.12 Q | | V | |
13+40 0.0544 0.10 Q | | V | |
13+45 0.0550 0.09 Q | | V | |
13+50 0.0556 0.09 Q | | V | |
13+55 0.0562 0.09 Q | | V | |
14+ 0 0.0568 0.09 Q | | V | |
14+ 5 0.0575 0.10 Q | | V | |
14+10 0.0582 0.10 Q | | V| |
14+15 0.0589 0.10 Q | | V| |
14+20 0.0596 0.10 Q | | V| |
14+25 0.0603 0.10 Q | | V |
14+30 0.0610 0.10 Q | | V |
14+35 0.0617 0.10 Q | | V |
14+40 0.0624 0.10 Q | | |V |
14+45 0.0631 0.10 Q | | |V |
14+50 0.0638 0.10 Q | | |V |
14+55 0.0645 0.10 Q | | | V |
15+ 0 0.0651 0.10 Q | | | V |
15+ 5 0.0658 0.10 Q | | | V |
15+10 0.0664 0.09 Q | | | V |
15+15 0.0671 0.09 Q | | | V |
15+20 0.0677 0.09 Q | | | V |
15+25 0.0683 0.09 Q | | | V |
Item Number: 1.
15+30 0.0690 0.09 Q | | | V |
15+35 0.0695 0.08 Q | | | V |
15+40 0.0701 0.08 Q | | | V |
15+45 0.0706 0.07 Q | | | V |
15+50 0.0711 0.07 Q | | | V |
15+55 0.0716 0.07 Q | | | V |
16+ 0 0.0721 0.07 Q | | | V |
16+ 5 0.0725 0.05 Q | | | V |
16+10 0.0726 0.02 Q | | | V |
16+15 0.0727 0.02 Q | | | V |
16+20 0.0729 0.02 Q | | | V |
16+25 0.0730 0.02 Q | | | V |
16+30 0.0731 0.02 Q | | | V |
16+35 0.0732 0.01 Q | | | V |
16+40 0.0733 0.01 Q | | | V |
16+45 0.0733 0.01 Q | | | V |
16+50 0.0734 0.01 Q | | | V |
16+55 0.0735 0.01 Q | | | V |
17+ 0 0.0736 0.01 Q | | | V |
17+ 5 0.0737 0.01 Q | | | V |
17+10 0.0738 0.02 Q | | | V |
17+15 0.0739 0.02 Q | | | V |
17+20 0.0741 0.02 Q | | | V |
17+25 0.0742 0.02 Q | | | V |
17+30 0.0743 0.02 Q | | | V |
17+35 0.0745 0.02 Q | | | V |
17+40 0.0746 0.02 Q | | | V |
17+45 0.0747 0.02 Q | | | V |
17+50 0.0749 0.02 Q | | | V |
17+55 0.0750 0.02 Q | | | V |
18+ 0 0.0751 0.02 Q | | | V |
18+ 5 0.0752 0.02 Q | | | V |
18+10 0.0753 0.02 Q | | | V |
18+15 0.0754 0.02 Q | | | V |
18+20 0.0755 0.02 Q | | | V |
18+25 0.0756 0.02 Q | | | V |
18+30 0.0757 0.02 Q | | | V |
18+35 0.0758 0.01 Q | | | V |
18+40 0.0759 0.01 Q | | | V |
18+45 0.0760 0.01 Q | | | V |
18+50 0.0761 0.01 Q | | | V |
18+55 0.0761 0.01 Q | | | V |
19+ 0 0.0762 0.01 Q | | | V |
19+ 5 0.0762 0.01 Q | | | V |
19+10 0.0763 0.01 Q | | | V |
19+15 0.0764 0.01 Q | | | V |
19+20 0.0765 0.01 Q | | | V |
19+25 0.0766 0.01 Q | | | V |
19+30 0.0767 0.02 Q | | | V |
19+35 0.0768 0.01 Q | | | V |
Item Number: 1.
19+40 0.0769 0.01 Q | | | V |
19+45 0.0769 0.01 Q | | | V |
19+50 0.0770 0.01 Q | | | V |
19+55 0.0771 0.01 Q | | | V |
20+ 0 0.0771 0.01 Q | | | V |
20+ 5 0.0772 0.01 Q | | | V |
20+10 0.0773 0.01 Q | | | V |
20+15 0.0773 0.01 Q | | | V |
20+20 0.0774 0.01 Q | | | V |
20+25 0.0775 0.01 Q | | | V |
20+30 0.0776 0.01 Q | | | V |
20+35 0.0777 0.01 Q | | | V |
20+40 0.0777 0.01 Q | | | V |
20+45 0.0778 0.01 Q | | | V |
20+50 0.0779 0.01 Q | | | V |
20+55 0.0780 0.01 Q | | | V |
21+ 0 0.0780 0.01 Q | | | V |
21+ 5 0.0781 0.01 Q | | | V |
21+10 0.0782 0.01 Q | | | V |
21+15 0.0782 0.01 Q | | | V|
21+20 0.0783 0.01 Q | | | V|
21+25 0.0784 0.01 Q | | | V|
21+30 0.0784 0.01 Q | | | V|
21+35 0.0785 0.01 Q | | | V|
21+40 0.0786 0.01 Q | | | V|
21+45 0.0786 0.01 Q | | | V|
21+50 0.0787 0.01 Q | | | V|
21+55 0.0788 0.01 Q | | | V|
22+ 0 0.0788 0.01 Q | | | V|
22+ 5 0.0789 0.01 Q | | | V|
22+10 0.0790 0.01 Q | | | V|
22+15 0.0790 0.01 Q | | | V|
22+20 0.0791 0.01 Q | | | V|
22+25 0.0792 0.01 Q | | | V|
22+30 0.0792 0.01 Q | | | V|
22+35 0.0793 0.01 Q | | | V|
22+40 0.0793 0.01 Q | | | V|
22+45 0.0794 0.01 Q | | | V|
22+50 0.0794 0.01 Q | | | V|
22+55 0.0795 0.01 Q | | | V|
23+ 0 0.0795 0.01 Q | | | V|
23+ 5 0.0796 0.01 Q | | | V|
23+10 0.0796 0.01 Q | | | V|
23+15 0.0797 0.01 Q | | | V|
23+20 0.0797 0.01 Q | | | V|
23+25 0.0798 0.01 Q | | | V|
23+30 0.0799 0.01 Q | | | V|
23+35 0.0799 0.01 Q | | | V|
23+40 0.0800 0.01 Q | | | V|
23+45 0.0800 0.01 Q | | | V|
Item Number: 1.
23+50 0.0801 0.01 Q | | | V|
23+55 0.0801 0.01 Q | | | V|
24+ 0 0.0802 0.01 Q | | | V|
24+ 5 0.0802 0.00 Q | | | V|
24+10 0.0802 0.00 Q | | | V|
24+15 0.0802 0.00 Q | | | V|
24+20 0.0802 0.00 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh110.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
10 yr
1 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 1 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.47 1.87
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.67 6.65
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 0.471(In)
Area Averaged 100-Year Rainfall = 1.670(In)
Point rain (area averaged) = 0.964(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 0.964(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 67.0 0.394 0.000 0.394 1.000 0.394
Sum (F) = 0.394
Area averaged mean soil loss (F) (In/Hr) = 0.394
Minimum soil loss rate ((In/Hr)) = 0.197
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- Slope of intensity-duration curve for a 1 hour storm =0.5800 ---------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
Item Number: 1.
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 3.60 0.417 ( 0.394) 0.375 0.042
2 0.17 4.20 0.486 0.394 ( 0.437) 0.092
3 0.25 4.40 0.509 0.394 ( 0.458) 0.115
4 0.33 4.60 0.532 0.394 ( 0.479) 0.138
5 0.42 5.00 0.579 0.394 ( 0.521) 0.184
6 0.50 5.60 0.648 0.394 ( 0.583) 0.254
7 0.58 6.40 0.741 0.394 ( 0.666) 0.346
8 0.67 8.10 0.937 0.394 ( 0.844) 0.543
9 0.75 13.10 1.516 0.394 ( 1.364) 1.121
10 0.83 34.50 3.992 0.394 ( 3.593) 3.598
11 0.92 6.70 0.775 0.394 ( 0.698) 0.381
12 1.00 3.80 0.440 0.394 ( 0.396) 0.045
(Loss Rate Not Used)
Sum = 100.0 Sum = 6.9
Flood volume = Effective rainfall 0.57(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.2(Ac.Ft)
Total soil loss = 0.39(In)
Total soil loss = 0.130(Ac.Ft)
Total rainfall = 0.96(In)
Flood volume = 8256.2 Cubic Feet
Total soil loss = 5674.6 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 7.941(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0004 0.06 Q | | | |
0+10 0.0019 0.22 Q | | | |
0+15 0.0044 0.36 VQ | | | |
0+20 0.0077 0.47 |Q | | | |
0+25 0.0118 0.60 | Q | | | |
0+30 0.0174 0.81 | Q | | | |
0+35 0.0250 1.11 | QV | | | |
0+40 0.0361 1.61 | QV | | | |
0+45 0.0562 2.91 | |Q | | |
Item Number: 1.
0+50 0.1103 7.86 | | | V |Q |
0+55 0.1650 7.94 | | | |Q V |
1+ 0 0.1819 2.44 | Q| | | V |
1+ 5 0.1874 0.80 | Q | | | V|
1+10 0.1893 0.28 |Q | | | V|
1+15 0.1895 0.03 Q | | | V|
1+20 0.1895 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh310.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
10 yr
3 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 3 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.76 3.02
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 2.50 9.95
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 0.760(In)
Area Averaged 100-Year Rainfall = 2.500(In)
Point rain (area averaged) = 1.476(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.476(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 67.0 0.394 0.000 0.394 1.000 0.394
Sum (F) = 0.394
Area averaged mean soil loss (F) (In/Hr) = 0.394
Minimum soil loss rate ((In/Hr)) = 0.197
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 1.30 0.230 ( 0.394) 0.207 0.023
2 0.17 1.30 0.230 ( 0.394) 0.207 0.023
3 0.25 1.10 0.195 ( 0.394) 0.175 0.019
4 0.33 1.50 0.266 ( 0.394) 0.239 0.027
5 0.42 1.50 0.266 ( 0.394) 0.239 0.027
6 0.50 1.80 0.319 ( 0.394) 0.287 0.032
7 0.58 1.50 0.266 ( 0.394) 0.239 0.027
8 0.67 1.80 0.319 ( 0.394) 0.287 0.032
9 0.75 1.80 0.319 ( 0.394) 0.287 0.032
10 0.83 1.50 0.266 ( 0.394) 0.239 0.027
11 0.92 1.60 0.283 ( 0.394) 0.255 0.028
12 1.00 1.80 0.319 ( 0.394) 0.287 0.032
13 1.08 2.20 0.390 ( 0.394) 0.351 0.039
14 1.17 2.20 0.390 ( 0.394) 0.351 0.039
15 1.25 2.20 0.390 ( 0.394) 0.351 0.039
16 1.33 2.00 0.354 ( 0.394) 0.319 0.035
17 1.42 2.60 0.460 0.394 ( 0.414) 0.066
18 1.50 2.70 0.478 0.394 ( 0.430) 0.084
19 1.58 2.40 0.425 ( 0.394) 0.383 0.043
20 1.67 2.70 0.478 0.394 ( 0.430) 0.084
21 1.75 3.30 0.584 0.394 ( 0.526) 0.190
22 1.83 3.10 0.549 0.394 ( 0.494) 0.155
23 1.92 2.90 0.514 0.394 ( 0.462) 0.119
24 2.00 3.00 0.531 0.394 ( 0.478) 0.137
25 2.08 3.10 0.549 0.394 ( 0.494) 0.155
26 2.17 4.20 0.744 0.394 ( 0.669) 0.349
27 2.25 5.00 0.885 0.394 ( 0.797) 0.491
28 2.33 3.50 0.620 0.394 ( 0.558) 0.225
29 2.42 6.80 1.204 0.394 ( 1.084) 0.810
30 2.50 7.30 1.293 0.394 ( 1.164) 0.898
31 2.58 8.20 1.452 0.394 ( 1.307) 1.058
32 2.67 5.90 1.045 0.394 ( 0.940) 0.650
33 2.75 2.00 0.354 ( 0.394) 0.319 0.035
34 2.83 1.80 0.319 ( 0.394) 0.287 0.032
35 2.92 1.80 0.319 ( 0.394) 0.287 0.032
36 3.00 0.60 0.106 ( 0.394) 0.096 0.011
(Loss Rate Not Used)
Sum = 100.0 Sum = 6.1
Flood volume = Effective rainfall 0.51(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.2(Ac.Ft)
Total soil loss = 0.97(In)
Total soil loss = 0.321(Ac.Ft)
Total rainfall = 1.48(In)
Flood volume = 7348.6 Cubic Feet
Item Number: 1.
Total soil loss = 13973.3 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 3.694(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0002 0.03 Q | | | |
0+10 0.0008 0.08 Q | | | |
0+15 0.0013 0.08 Q | | | |
0+20 0.0020 0.09 Q | | | |
0+25 0.0027 0.10 Q | | | |
0+30 0.0035 0.11 Q | | | |
0+35 0.0043 0.12 QV | | | |
0+40 0.0051 0.12 QV | | | |
0+45 0.0059 0.13 QV | | | |
0+50 0.0067 0.12 QV | | | |
0+55 0.0075 0.11 QV | | | |
1+ 0 0.0083 0.12 QV | | | |
1+ 5 0.0093 0.14 Q V | | | |
1+10 0.0103 0.15 Q V | | | |
1+15 0.0114 0.15 Q V | | | |
1+20 0.0124 0.15 Q V | | | |
1+25 0.0137 0.19 Q V | | | |
1+30 0.0156 0.27 |Q V | | | |
1+35 0.0174 0.26 |Q V | | | |
1+40 0.0191 0.25 |Q V | | | |
1+45 0.0224 0.48 |Q V | | | |
1+50 0.0268 0.64 | Q V | | | |
1+55 0.0307 0.56 | Q V | | | |
2+ 0 0.0344 0.53 | Q V | | | |
2+ 5 0.0383 0.57 | Q V| | | |
2+10 0.0445 0.90 | Q V | | |
2+15 0.0548 1.49 | Q | V | | |
2+20 0.0648 1.44 | Q | V | | |
2+25 0.0779 1.91 | Q | V | | |
2+30 0.0991 3.07 | | Q | V | |
2+35 0.1246 3.69 | | Q | V| |
2+40 0.1485 3.48 | | Q | | V |
2+45 0.1615 1.89 | Q | | | V |
2+50 0.1655 0.58 | Q | | | V|
2+55 0.1674 0.27 |Q | | | V|
3+ 0 0.1683 0.13 Q | | | V|
3+ 5 0.1686 0.04 Q | | | V|
Item Number: 1.
3+10 0.1687 0.01 Q | | | V|
3+15 0.1687 0.00 Q | | | V|
3+20 0.1687 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh610.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
10 yr
6 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 6 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.99 3.95
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 3.25 12.94
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 0.993(In)
Area Averaged 100-Year Rainfall = 3.250(In)
Point rain (area averaged) = 1.922(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.922(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 67.0 0.394 0.000 0.394 1.000 0.394
Sum (F) = 0.394
Area averaged mean soil loss (F) (In/Hr) = 0.394
Minimum soil loss rate ((In/Hr)) = 0.197
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.50 0.115 ( 0.394) 0.104 0.012
2 0.17 0.60 0.138 ( 0.394) 0.125 0.014
3 0.25 0.60 0.138 ( 0.394) 0.125 0.014
4 0.33 0.60 0.138 ( 0.394) 0.125 0.014
5 0.42 0.60 0.138 ( 0.394) 0.125 0.014
6 0.50 0.70 0.161 ( 0.394) 0.145 0.016
7 0.58 0.70 0.161 ( 0.394) 0.145 0.016
8 0.67 0.70 0.161 ( 0.394) 0.145 0.016
9 0.75 0.70 0.161 ( 0.394) 0.145 0.016
10 0.83 0.70 0.161 ( 0.394) 0.145 0.016
11 0.92 0.70 0.161 ( 0.394) 0.145 0.016
12 1.00 0.80 0.184 ( 0.394) 0.166 0.018
13 1.08 0.80 0.184 ( 0.394) 0.166 0.018
14 1.17 0.80 0.184 ( 0.394) 0.166 0.018
15 1.25 0.80 0.184 ( 0.394) 0.166 0.018
16 1.33 0.80 0.184 ( 0.394) 0.166 0.018
17 1.42 0.80 0.184 ( 0.394) 0.166 0.018
18 1.50 0.80 0.184 ( 0.394) 0.166 0.018
19 1.58 0.80 0.184 ( 0.394) 0.166 0.018
20 1.67 0.80 0.184 ( 0.394) 0.166 0.018
21 1.75 0.80 0.184 ( 0.394) 0.166 0.018
22 1.83 0.80 0.184 ( 0.394) 0.166 0.018
23 1.92 0.80 0.184 ( 0.394) 0.166 0.018
24 2.00 0.90 0.208 ( 0.394) 0.187 0.021
25 2.08 0.80 0.184 ( 0.394) 0.166 0.018
26 2.17 0.90 0.208 ( 0.394) 0.187 0.021
27 2.25 0.90 0.208 ( 0.394) 0.187 0.021
28 2.33 0.90 0.208 ( 0.394) 0.187 0.021
29 2.42 0.90 0.208 ( 0.394) 0.187 0.021
30 2.50 0.90 0.208 ( 0.394) 0.187 0.021
31 2.58 0.90 0.208 ( 0.394) 0.187 0.021
32 2.67 0.90 0.208 ( 0.394) 0.187 0.021
33 2.75 1.00 0.231 ( 0.394) 0.208 0.023
34 2.83 1.00 0.231 ( 0.394) 0.208 0.023
35 2.92 1.00 0.231 ( 0.394) 0.208 0.023
36 3.00 1.00 0.231 ( 0.394) 0.208 0.023
37 3.08 1.00 0.231 ( 0.394) 0.208 0.023
38 3.17 1.10 0.254 ( 0.394) 0.228 0.025
39 3.25 1.10 0.254 ( 0.394) 0.228 0.025
40 3.33 1.10 0.254 ( 0.394) 0.228 0.025
41 3.42 1.20 0.277 ( 0.394) 0.249 0.028
42 3.50 1.30 0.300 ( 0.394) 0.270 0.030
43 3.58 1.40 0.323 ( 0.394) 0.291 0.032
44 3.67 1.40 0.323 ( 0.394) 0.291 0.032
Item Number: 1.
45 3.75 1.50 0.346 ( 0.394) 0.311 0.035
46 3.83 1.50 0.346 ( 0.394) 0.311 0.035
47 3.92 1.60 0.369 ( 0.394) 0.332 0.037
48 4.00 1.60 0.369 ( 0.394) 0.332 0.037
49 4.08 1.70 0.392 ( 0.394) 0.353 0.039
50 4.17 1.80 0.415 ( 0.394) 0.374 0.042
51 4.25 1.90 0.438 ( 0.394) 0.394 0.044
52 4.33 2.00 0.461 0.394 ( 0.415) 0.067
53 4.42 2.10 0.484 0.394 ( 0.436) 0.090
54 4.50 2.10 0.484 0.394 ( 0.436) 0.090
55 4.58 2.20 0.507 0.394 ( 0.457) 0.113
56 4.67 2.30 0.530 0.394 ( 0.477) 0.136
57 4.75 2.40 0.553 0.394 ( 0.498) 0.159
58 4.83 2.40 0.553 0.394 ( 0.498) 0.159
59 4.92 2.50 0.576 0.394 ( 0.519) 0.182
60 5.00 2.60 0.600 0.394 ( 0.540) 0.205
61 5.08 3.10 0.715 0.394 ( 0.643) 0.320
62 5.17 3.60 0.830 0.394 ( 0.747) 0.436
63 5.25 3.90 0.899 0.394 ( 0.809) 0.505
64 5.33 4.20 0.968 0.394 ( 0.872) 0.574
65 5.42 4.70 1.084 0.394 ( 0.975) 0.689
66 5.50 5.60 1.291 0.394 ( 1.162) 0.897
67 5.58 1.90 0.438 ( 0.394) 0.394 0.044
68 5.67 0.90 0.208 ( 0.394) 0.187 0.021
69 5.75 0.60 0.138 ( 0.394) 0.125 0.014
70 5.83 0.50 0.115 ( 0.394) 0.104 0.012
71 5.92 0.30 0.069 ( 0.394) 0.062 0.007
72 6.00 0.20 0.046 ( 0.394) 0.042 0.005
(Loss Rate Not Used)
Sum = 100.0 Sum = 5.9
Flood volume = Effective rainfall 0.49(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.2(Ac.Ft)
Total soil loss = 1.43(In)
Total soil loss = 0.475(Ac.Ft)
Total rainfall = 1.92(In)
Flood volume = 7071.6 Cubic Feet
Total soil loss = 20689.4 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 2.994(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0001 0.02 Q | | | |
Item Number: 1.
0+10 0.0004 0.04 Q | | | |
0+15 0.0008 0.05 Q | | | |
0+20 0.0011 0.05 Q | | | |
0+25 0.0015 0.06 Q | | | |
0+30 0.0019 0.06 Q | | | |
0+35 0.0024 0.06 Q | | | |
0+40 0.0028 0.06 Q | | | |
0+45 0.0033 0.06 Q | | | |
0+50 0.0037 0.06 Q | | | |
0+55 0.0042 0.06 QV | | | |
1+ 0 0.0046 0.07 QV | | | |
1+ 5 0.0051 0.07 QV | | | |
1+10 0.0056 0.07 QV | | | |
1+15 0.0061 0.07 QV | | | |
1+20 0.0066 0.07 QV | | | |
1+25 0.0072 0.07 QV | | | |
1+30 0.0077 0.07 QV | | | |
1+35 0.0082 0.07 Q V | | | |
1+40 0.0087 0.07 Q V | | | |
1+45 0.0092 0.07 Q V | | | |
1+50 0.0097 0.07 Q V | | | |
1+55 0.0102 0.07 Q V | | | |
2+ 0 0.0108 0.08 Q V | | | |
2+ 5 0.0113 0.08 Q V | | | |
2+10 0.0118 0.08 Q V | | | |
2+15 0.0124 0.08 Q V | | | |
2+20 0.0130 0.08 Q V | | | |
2+25 0.0135 0.08 Q V | | | |
2+30 0.0141 0.08 Q V | | | |
2+35 0.0147 0.08 Q V | | | |
2+40 0.0153 0.08 Q V | | | |
2+45 0.0159 0.09 Q V | | | |
2+50 0.0165 0.09 Q V | | | |
2+55 0.0171 0.09 Q V | | | |
3+ 0 0.0178 0.09 Q V | | | |
3+ 5 0.0184 0.09 Q V | | | |
3+10 0.0191 0.10 Q V | | | |
3+15 0.0197 0.10 Q V | | | |
3+20 0.0204 0.10 Q V | | | |
3+25 0.0212 0.11 Q V | | | |
3+30 0.0219 0.11 Q V | | | |
3+35 0.0228 0.12 Q V | | | |
3+40 0.0237 0.13 Q V | | | |
3+45 0.0246 0.13 Q V | | | |
3+50 0.0255 0.14 Q V | | | |
3+55 0.0265 0.14 Q V | | | |
4+ 0 0.0275 0.15 Q V | | | |
4+ 5 0.0286 0.15 Q V | | | |
4+10 0.0296 0.16 Q V | | | |
4+15 0.0308 0.17 Q V | | | |
Item Number: 1.
4+20 0.0322 0.21 Q V | | | |
4+25 0.0342 0.29 |Q V | | | |
4+30 0.0366 0.34 |Q V| | | |
4+35 0.0393 0.39 |Q V| | | |
4+40 0.0425 0.47 |Q V | | |
4+45 0.0464 0.56 | Q |V | | |
4+50 0.0507 0.62 | Q | V | | |
4+55 0.0552 0.67 | Q | V | | |
5+ 0 0.0604 0.75 | Q | V | | |
5+ 5 0.0672 0.98 | Q | V | | |
5+10 0.0767 1.39 | Q | V | | |
5+15 0.0888 1.76 | Q | |V | |
5+20 0.1030 2.06 | Q | | V | |
5+25 0.1196 2.42 | Q| | V| |
5+30 0.1403 2.99 | |Q | | V |
5+35 0.1551 2.15 | Q | | | V |
5+40 0.1593 0.61 | Q | | | V|
5+45 0.1610 0.24 Q | | | V|
5+50 0.1617 0.11 Q | | | V|
5+55 0.1620 0.04 Q | | | V|
6+ 0 0.1622 0.03 Q | | | V|
6+ 5 0.1623 0.01 Q | | | V|
6+10 0.1623 0.00 Q | | | V|
6+15 0.1623 0.00 Q | | | V|
6+20 0.1623 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh2410.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
10 yr
24 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.51 6.01
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 5.39 21.45
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 1.510(In)
Area Averaged 100-Year Rainfall = 5.390(In)
Point rain (area averaged) = 3.106(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 3.106(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 67.0 0.394 0.000 0.394 1.000 0.394
Sum (F) = 0.394
Area averaged mean soil loss (F) (In/Hr) = 0.394
Minimum soil loss rate ((In/Hr)) = 0.197
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.07 0.025 ( 0.699) 0.022 0.002
2 0.17 0.07 0.025 ( 0.696) 0.022 0.002
3 0.25 0.07 0.025 ( 0.694) 0.022 0.002
4 0.33 0.10 0.037 ( 0.691) 0.034 0.004
5 0.42 0.10 0.037 ( 0.688) 0.034 0.004
6 0.50 0.10 0.037 ( 0.686) 0.034 0.004
7 0.58 0.10 0.037 ( 0.683) 0.034 0.004
8 0.67 0.10 0.037 ( 0.680) 0.034 0.004
9 0.75 0.10 0.037 ( 0.678) 0.034 0.004
10 0.83 0.13 0.050 ( 0.675) 0.045 0.005
11 0.92 0.13 0.050 ( 0.672) 0.045 0.005
12 1.00 0.13 0.050 ( 0.670) 0.045 0.005
13 1.08 0.10 0.037 ( 0.667) 0.034 0.004
14 1.17 0.10 0.037 ( 0.664) 0.034 0.004
15 1.25 0.10 0.037 ( 0.662) 0.034 0.004
16 1.33 0.10 0.037 ( 0.659) 0.034 0.004
17 1.42 0.10 0.037 ( 0.657) 0.034 0.004
18 1.50 0.10 0.037 ( 0.654) 0.034 0.004
19 1.58 0.10 0.037 ( 0.651) 0.034 0.004
20 1.67 0.10 0.037 ( 0.649) 0.034 0.004
21 1.75 0.10 0.037 ( 0.646) 0.034 0.004
22 1.83 0.13 0.050 ( 0.643) 0.045 0.005
23 1.92 0.13 0.050 ( 0.641) 0.045 0.005
24 2.00 0.13 0.050 ( 0.638) 0.045 0.005
25 2.08 0.13 0.050 ( 0.636) 0.045 0.005
26 2.17 0.13 0.050 ( 0.633) 0.045 0.005
27 2.25 0.13 0.050 ( 0.631) 0.045 0.005
28 2.33 0.13 0.050 ( 0.628) 0.045 0.005
29 2.42 0.13 0.050 ( 0.625) 0.045 0.005
30 2.50 0.13 0.050 ( 0.623) 0.045 0.005
31 2.58 0.17 0.062 ( 0.620) 0.056 0.006
32 2.67 0.17 0.062 ( 0.618) 0.056 0.006
33 2.75 0.17 0.062 ( 0.615) 0.056 0.006
34 2.83 0.17 0.062 ( 0.613) 0.056 0.006
35 2.92 0.17 0.062 ( 0.610) 0.056 0.006
36 3.00 0.17 0.062 ( 0.608) 0.056 0.006
37 3.08 0.17 0.062 ( 0.605) 0.056 0.006
38 3.17 0.17 0.062 ( 0.603) 0.056 0.006
39 3.25 0.17 0.062 ( 0.600) 0.056 0.006
40 3.33 0.17 0.062 ( 0.598) 0.056 0.006
41 3.42 0.17 0.062 ( 0.595) 0.056 0.006
42 3.50 0.17 0.062 ( 0.593) 0.056 0.006
43 3.58 0.17 0.062 ( 0.590) 0.056 0.006
44 3.67 0.17 0.062 ( 0.588) 0.056 0.006
Item Number: 1.
45 3.75 0.17 0.062 ( 0.585) 0.056 0.006
46 3.83 0.20 0.075 ( 0.583) 0.067 0.007
47 3.92 0.20 0.075 ( 0.580) 0.067 0.007
48 4.00 0.20 0.075 ( 0.578) 0.067 0.007
49 4.08 0.20 0.075 ( 0.575) 0.067 0.007
50 4.17 0.20 0.075 ( 0.573) 0.067 0.007
51 4.25 0.20 0.075 ( 0.571) 0.067 0.007
52 4.33 0.23 0.087 ( 0.568) 0.078 0.009
53 4.42 0.23 0.087 ( 0.566) 0.078 0.009
54 4.50 0.23 0.087 ( 0.563) 0.078 0.009
55 4.58 0.23 0.087 ( 0.561) 0.078 0.009
56 4.67 0.23 0.087 ( 0.558) 0.078 0.009
57 4.75 0.23 0.087 ( 0.556) 0.078 0.009
58 4.83 0.27 0.099 ( 0.554) 0.089 0.010
59 4.92 0.27 0.099 ( 0.551) 0.089 0.010
60 5.00 0.27 0.099 ( 0.549) 0.089 0.010
61 5.08 0.20 0.075 ( 0.546) 0.067 0.007
62 5.17 0.20 0.075 ( 0.544) 0.067 0.007
63 5.25 0.20 0.075 ( 0.542) 0.067 0.007
64 5.33 0.23 0.087 ( 0.539) 0.078 0.009
65 5.42 0.23 0.087 ( 0.537) 0.078 0.009
66 5.50 0.23 0.087 ( 0.535) 0.078 0.009
67 5.58 0.27 0.099 ( 0.532) 0.089 0.010
68 5.67 0.27 0.099 ( 0.530) 0.089 0.010
69 5.75 0.27 0.099 ( 0.528) 0.089 0.010
70 5.83 0.27 0.099 ( 0.525) 0.089 0.010
71 5.92 0.27 0.099 ( 0.523) 0.089 0.010
72 6.00 0.27 0.099 ( 0.521) 0.089 0.010
73 6.08 0.30 0.112 ( 0.518) 0.101 0.011
74 6.17 0.30 0.112 ( 0.516) 0.101 0.011
75 6.25 0.30 0.112 ( 0.514) 0.101 0.011
76 6.33 0.30 0.112 ( 0.511) 0.101 0.011
77 6.42 0.30 0.112 ( 0.509) 0.101 0.011
78 6.50 0.30 0.112 ( 0.507) 0.101 0.011
79 6.58 0.33 0.124 ( 0.505) 0.112 0.012
80 6.67 0.33 0.124 ( 0.502) 0.112 0.012
81 6.75 0.33 0.124 ( 0.500) 0.112 0.012
82 6.83 0.33 0.124 ( 0.498) 0.112 0.012
83 6.92 0.33 0.124 ( 0.495) 0.112 0.012
84 7.00 0.33 0.124 ( 0.493) 0.112 0.012
85 7.08 0.33 0.124 ( 0.491) 0.112 0.012
86 7.17 0.33 0.124 ( 0.489) 0.112 0.012
87 7.25 0.33 0.124 ( 0.487) 0.112 0.012
88 7.33 0.37 0.137 ( 0.484) 0.123 0.014
89 7.42 0.37 0.137 ( 0.482) 0.123 0.014
90 7.50 0.37 0.137 ( 0.480) 0.123 0.014
91 7.58 0.40 0.149 ( 0.478) 0.134 0.015
92 7.67 0.40 0.149 ( 0.475) 0.134 0.015
93 7.75 0.40 0.149 ( 0.473) 0.134 0.015
94 7.83 0.43 0.162 ( 0.471) 0.145 0.016
Item Number: 1.
95 7.92 0.43 0.162 ( 0.469) 0.145 0.016
96 8.00 0.43 0.162 ( 0.467) 0.145 0.016
97 8.08 0.50 0.186 ( 0.465) 0.168 0.019
98 8.17 0.50 0.186 ( 0.462) 0.168 0.019
99 8.25 0.50 0.186 ( 0.460) 0.168 0.019
100 8.33 0.50 0.186 ( 0.458) 0.168 0.019
101 8.42 0.50 0.186 ( 0.456) 0.168 0.019
102 8.50 0.50 0.186 ( 0.454) 0.168 0.019
103 8.58 0.53 0.199 ( 0.452) 0.179 0.020
104 8.67 0.53 0.199 ( 0.450) 0.179 0.020
105 8.75 0.53 0.199 ( 0.447) 0.179 0.020
106 8.83 0.57 0.211 ( 0.445) 0.190 0.021
107 8.92 0.57 0.211 ( 0.443) 0.190 0.021
108 9.00 0.57 0.211 ( 0.441) 0.190 0.021
109 9.08 0.63 0.236 ( 0.439) 0.212 0.024
110 9.17 0.63 0.236 ( 0.437) 0.212 0.024
111 9.25 0.63 0.236 ( 0.435) 0.212 0.024
112 9.33 0.67 0.248 ( 0.433) 0.224 0.025
113 9.42 0.67 0.248 ( 0.431) 0.224 0.025
114 9.50 0.67 0.248 ( 0.429) 0.224 0.025
115 9.58 0.70 0.261 ( 0.427) 0.235 0.026
116 9.67 0.70 0.261 ( 0.425) 0.235 0.026
117 9.75 0.70 0.261 ( 0.423) 0.235 0.026
118 9.83 0.73 0.273 ( 0.421) 0.246 0.027
119 9.92 0.73 0.273 ( 0.419) 0.246 0.027
120 10.00 0.73 0.273 ( 0.416) 0.246 0.027
121 10.08 0.50 0.186 ( 0.414) 0.168 0.019
122 10.17 0.50 0.186 ( 0.412) 0.168 0.019
123 10.25 0.50 0.186 ( 0.410) 0.168 0.019
124 10.33 0.50 0.186 ( 0.408) 0.168 0.019
125 10.42 0.50 0.186 ( 0.406) 0.168 0.019
126 10.50 0.50 0.186 ( 0.405) 0.168 0.019
127 10.58 0.67 0.248 ( 0.403) 0.224 0.025
128 10.67 0.67 0.248 ( 0.401) 0.224 0.025
129 10.75 0.67 0.248 ( 0.399) 0.224 0.025
130 10.83 0.67 0.248 ( 0.397) 0.224 0.025
131 10.92 0.67 0.248 ( 0.395) 0.224 0.025
132 11.00 0.67 0.248 ( 0.393) 0.224 0.025
133 11.08 0.63 0.236 ( 0.391) 0.212 0.024
134 11.17 0.63 0.236 ( 0.389) 0.212 0.024
135 11.25 0.63 0.236 ( 0.387) 0.212 0.024
136 11.33 0.63 0.236 ( 0.385) 0.212 0.024
137 11.42 0.63 0.236 ( 0.383) 0.212 0.024
138 11.50 0.63 0.236 ( 0.381) 0.212 0.024
139 11.58 0.57 0.211 ( 0.379) 0.190 0.021
140 11.67 0.57 0.211 ( 0.377) 0.190 0.021
141 11.75 0.57 0.211 ( 0.376) 0.190 0.021
142 11.83 0.60 0.224 ( 0.374) 0.201 0.022
143 11.92 0.60 0.224 ( 0.372) 0.201 0.022
144 12.00 0.60 0.224 ( 0.370) 0.201 0.022
Item Number: 1.
145 12.08 0.83 0.311 ( 0.368) 0.280 0.031
146 12.17 0.83 0.311 ( 0.366) 0.280 0.031
147 12.25 0.83 0.311 ( 0.364) 0.280 0.031
148 12.33 0.87 0.323 ( 0.363) 0.291 0.032
149 12.42 0.87 0.323 ( 0.361) 0.291 0.032
150 12.50 0.87 0.323 ( 0.359) 0.291 0.032
151 12.58 0.93 0.348 ( 0.357) 0.313 0.035
152 12.67 0.93 0.348 ( 0.355) 0.313 0.035
153 12.75 0.93 0.348 ( 0.354) 0.313 0.035
154 12.83 0.97 0.360 ( 0.352) 0.324 0.036
155 12.92 0.97 0.360 ( 0.350) 0.324 0.036
156 13.00 0.97 0.360 ( 0.348) 0.324 0.036
157 13.08 1.13 0.422 0.347 ( 0.380) 0.076
158 13.17 1.13 0.422 0.345 ( 0.380) 0.078
159 13.25 1.13 0.422 0.343 ( 0.380) 0.079
160 13.33 1.13 0.422 0.341 ( 0.380) 0.081
161 13.42 1.13 0.422 0.340 ( 0.380) 0.083
162 13.50 1.13 0.422 0.338 ( 0.380) 0.085
163 13.58 0.77 0.286 ( 0.336) 0.257 0.029
164 13.67 0.77 0.286 ( 0.334) 0.257 0.029
165 13.75 0.77 0.286 ( 0.333) 0.257 0.029
166 13.83 0.77 0.286 ( 0.331) 0.257 0.029
167 13.92 0.77 0.286 ( 0.329) 0.257 0.029
168 14.00 0.77 0.286 ( 0.328) 0.257 0.029
169 14.08 0.90 0.335 ( 0.326) 0.302 0.034
170 14.17 0.90 0.335 ( 0.324) 0.302 0.034
171 14.25 0.90 0.335 ( 0.323) 0.302 0.034
172 14.33 0.87 0.323 ( 0.321) 0.291 0.032
173 14.42 0.87 0.323 ( 0.319) 0.291 0.032
174 14.50 0.87 0.323 ( 0.318) 0.291 0.032
175 14.58 0.87 0.323 ( 0.316) 0.291 0.032
176 14.67 0.87 0.323 ( 0.314) 0.291 0.032
177 14.75 0.87 0.323 ( 0.313) 0.291 0.032
178 14.83 0.83 0.311 ( 0.311) 0.280 0.031
179 14.92 0.83 0.311 ( 0.310) 0.280 0.031
180 15.00 0.83 0.311 ( 0.308) 0.280 0.031
181 15.08 0.80 0.298 ( 0.306) 0.268 0.030
182 15.17 0.80 0.298 ( 0.305) 0.268 0.030
183 15.25 0.80 0.298 ( 0.303) 0.268 0.030
184 15.33 0.77 0.286 ( 0.302) 0.257 0.029
185 15.42 0.77 0.286 ( 0.300) 0.257 0.029
186 15.50 0.77 0.286 ( 0.299) 0.257 0.029
187 15.58 0.63 0.236 ( 0.297) 0.212 0.024
188 15.67 0.63 0.236 ( 0.296) 0.212 0.024
189 15.75 0.63 0.236 ( 0.294) 0.212 0.024
190 15.83 0.63 0.236 ( 0.293) 0.212 0.024
191 15.92 0.63 0.236 ( 0.291) 0.212 0.024
192 16.00 0.63 0.236 ( 0.290) 0.212 0.024
193 16.08 0.13 0.050 ( 0.288) 0.045 0.005
194 16.17 0.13 0.050 ( 0.287) 0.045 0.005
Item Number: 1.
195 16.25 0.13 0.050 ( 0.285) 0.045 0.005
196 16.33 0.13 0.050 ( 0.284) 0.045 0.005
197 16.42 0.13 0.050 ( 0.282) 0.045 0.005
198 16.50 0.13 0.050 ( 0.281) 0.045 0.005
199 16.58 0.10 0.037 ( 0.279) 0.034 0.004
200 16.67 0.10 0.037 ( 0.278) 0.034 0.004
201 16.75 0.10 0.037 ( 0.277) 0.034 0.004
202 16.83 0.10 0.037 ( 0.275) 0.034 0.004
203 16.92 0.10 0.037 ( 0.274) 0.034 0.004
204 17.00 0.10 0.037 ( 0.272) 0.034 0.004
205 17.08 0.17 0.062 ( 0.271) 0.056 0.006
206 17.17 0.17 0.062 ( 0.270) 0.056 0.006
207 17.25 0.17 0.062 ( 0.268) 0.056 0.006
208 17.33 0.17 0.062 ( 0.267) 0.056 0.006
209 17.42 0.17 0.062 ( 0.266) 0.056 0.006
210 17.50 0.17 0.062 ( 0.264) 0.056 0.006
211 17.58 0.17 0.062 ( 0.263) 0.056 0.006
212 17.67 0.17 0.062 ( 0.262) 0.056 0.006
213 17.75 0.17 0.062 ( 0.260) 0.056 0.006
214 17.83 0.13 0.050 ( 0.259) 0.045 0.005
215 17.92 0.13 0.050 ( 0.258) 0.045 0.005
216 18.00 0.13 0.050 ( 0.257) 0.045 0.005
217 18.08 0.13 0.050 ( 0.255) 0.045 0.005
218 18.17 0.13 0.050 ( 0.254) 0.045 0.005
219 18.25 0.13 0.050 ( 0.253) 0.045 0.005
220 18.33 0.13 0.050 ( 0.252) 0.045 0.005
221 18.42 0.13 0.050 ( 0.250) 0.045 0.005
222 18.50 0.13 0.050 ( 0.249) 0.045 0.005
223 18.58 0.10 0.037 ( 0.248) 0.034 0.004
224 18.67 0.10 0.037 ( 0.247) 0.034 0.004
225 18.75 0.10 0.037 ( 0.246) 0.034 0.004
226 18.83 0.07 0.025 ( 0.244) 0.022 0.002
227 18.92 0.07 0.025 ( 0.243) 0.022 0.002
228 19.00 0.07 0.025 ( 0.242) 0.022 0.002
229 19.08 0.10 0.037 ( 0.241) 0.034 0.004
230 19.17 0.10 0.037 ( 0.240) 0.034 0.004
231 19.25 0.10 0.037 ( 0.239) 0.034 0.004
232 19.33 0.13 0.050 ( 0.238) 0.045 0.005
233 19.42 0.13 0.050 ( 0.236) 0.045 0.005
234 19.50 0.13 0.050 ( 0.235) 0.045 0.005
235 19.58 0.10 0.037 ( 0.234) 0.034 0.004
236 19.67 0.10 0.037 ( 0.233) 0.034 0.004
237 19.75 0.10 0.037 ( 0.232) 0.034 0.004
238 19.83 0.07 0.025 ( 0.231) 0.022 0.002
239 19.92 0.07 0.025 ( 0.230) 0.022 0.002
240 20.00 0.07 0.025 ( 0.229) 0.022 0.002
241 20.08 0.10 0.037 ( 0.228) 0.034 0.004
242 20.17 0.10 0.037 ( 0.227) 0.034 0.004
243 20.25 0.10 0.037 ( 0.226) 0.034 0.004
244 20.33 0.10 0.037 ( 0.225) 0.034 0.004
Item Number: 1.
245 20.42 0.10 0.037 ( 0.224) 0.034 0.004
246 20.50 0.10 0.037 ( 0.223) 0.034 0.004
247 20.58 0.10 0.037 ( 0.222) 0.034 0.004
248 20.67 0.10 0.037 ( 0.221) 0.034 0.004
249 20.75 0.10 0.037 ( 0.220) 0.034 0.004
250 20.83 0.07 0.025 ( 0.219) 0.022 0.002
251 20.92 0.07 0.025 ( 0.219) 0.022 0.002
252 21.00 0.07 0.025 ( 0.218) 0.022 0.002
253 21.08 0.10 0.037 ( 0.217) 0.034 0.004
254 21.17 0.10 0.037 ( 0.216) 0.034 0.004
255 21.25 0.10 0.037 ( 0.215) 0.034 0.004
256 21.33 0.07 0.025 ( 0.214) 0.022 0.002
257 21.42 0.07 0.025 ( 0.213) 0.022 0.002
258 21.50 0.07 0.025 ( 0.213) 0.022 0.002
259 21.58 0.10 0.037 ( 0.212) 0.034 0.004
260 21.67 0.10 0.037 ( 0.211) 0.034 0.004
261 21.75 0.10 0.037 ( 0.210) 0.034 0.004
262 21.83 0.07 0.025 ( 0.210) 0.022 0.002
263 21.92 0.07 0.025 ( 0.209) 0.022 0.002
264 22.00 0.07 0.025 ( 0.208) 0.022 0.002
265 22.08 0.10 0.037 ( 0.208) 0.034 0.004
266 22.17 0.10 0.037 ( 0.207) 0.034 0.004
267 22.25 0.10 0.037 ( 0.206) 0.034 0.004
268 22.33 0.07 0.025 ( 0.206) 0.022 0.002
269 22.42 0.07 0.025 ( 0.205) 0.022 0.002
270 22.50 0.07 0.025 ( 0.204) 0.022 0.002
271 22.58 0.07 0.025 ( 0.204) 0.022 0.002
272 22.67 0.07 0.025 ( 0.203) 0.022 0.002
273 22.75 0.07 0.025 ( 0.203) 0.022 0.002
274 22.83 0.07 0.025 ( 0.202) 0.022 0.002
275 22.92 0.07 0.025 ( 0.202) 0.022 0.002
276 23.00 0.07 0.025 ( 0.201) 0.022 0.002
277 23.08 0.07 0.025 ( 0.201) 0.022 0.002
278 23.17 0.07 0.025 ( 0.200) 0.022 0.002
279 23.25 0.07 0.025 ( 0.200) 0.022 0.002
280 23.33 0.07 0.025 ( 0.199) 0.022 0.002
281 23.42 0.07 0.025 ( 0.199) 0.022 0.002
282 23.50 0.07 0.025 ( 0.199) 0.022 0.002
283 23.58 0.07 0.025 ( 0.198) 0.022 0.002
284 23.67 0.07 0.025 ( 0.198) 0.022 0.002
285 23.75 0.07 0.025 ( 0.198) 0.022 0.002
286 23.83 0.07 0.025 ( 0.198) 0.022 0.002
287 23.92 0.07 0.025 ( 0.197) 0.022 0.002
288 24.00 0.07 0.025 ( 0.197) 0.022 0.002
(Loss Rate Not Used)
Sum = 100.0 Sum = 4.0
Flood volume = Effective rainfall 0.33(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.1(Ac.Ft)
Total soil loss = 2.78(In)
Total soil loss = 0.921(Ac.Ft)
Item Number: 1.
Total rainfall = 3.11(In)
Flood volume = 4762.6 Cubic Feet
Total soil loss = 40114.5 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 0.334(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 24 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0000 0.00 Q | | | |
0+10 0.0001 0.01 Q | | | |
0+15 0.0001 0.01 Q | | | |
0+20 0.0002 0.01 Q | | | |
0+25 0.0003 0.01 Q | | | |
0+30 0.0004 0.01 Q | | | |
0+35 0.0005 0.01 Q | | | |
0+40 0.0006 0.01 Q | | | |
0+45 0.0007 0.01 Q | | | |
0+50 0.0009 0.02 Q | | | |
0+55 0.0010 0.02 Q | | | |
1+ 0 0.0011 0.02 Q | | | |
1+ 5 0.0012 0.02 Q | | | |
1+10 0.0014 0.02 Q | | | |
1+15 0.0015 0.02 Q | | | |
1+20 0.0016 0.02 Q | | | |
1+25 0.0017 0.01 Q | | | |
1+30 0.0018 0.01 Q | | | |
1+35 0.0019 0.01 Q | | | |
1+40 0.0020 0.01 Q | | | |
1+45 0.0021 0.01 Q | | | |
1+50 0.0022 0.02 Q | | | |
1+55 0.0023 0.02 Q | | | |
2+ 0 0.0025 0.02 Q | | | |
2+ 5 0.0026 0.02 Q | | | |
2+10 0.0027 0.02 QV | | | |
2+15 0.0029 0.02 QV | | | |
2+20 0.0030 0.02 QV | | | |
2+25 0.0031 0.02 QV | | | |
2+30 0.0033 0.02 QV | | | |
2+35 0.0034 0.02 QV | | | |
2+40 0.0036 0.02 QV | | | |
2+45 0.0038 0.02 QV | | | |
2+50 0.0039 0.02 QV | | | |
2+55 0.0041 0.02 QV | | | |
Item Number: 1.
3+ 0 0.0043 0.02 QV | | | |
3+ 5 0.0045 0.02 QV | | | |
3+10 0.0046 0.02 QV | | | |
3+15 0.0048 0.02 QV | | | |
3+20 0.0050 0.02 QV | | | |
3+25 0.0051 0.02 QV | | | |
3+30 0.0053 0.02 QV | | | |
3+35 0.0055 0.02 Q V | | | |
3+40 0.0057 0.02 Q V | | | |
3+45 0.0058 0.02 Q V | | | |
3+50 0.0060 0.03 Q V | | | |
3+55 0.0062 0.03 Q V | | | |
4+ 0 0.0064 0.03 Q V | | | |
4+ 5 0.0066 0.03 Q V | | | |
4+10 0.0068 0.03 Q V | | | |
4+15 0.0070 0.03 Q V | | | |
4+20 0.0073 0.03 Q V | | | |
4+25 0.0075 0.03 Q V | | | |
4+30 0.0077 0.03 Q V | | | |
4+35 0.0080 0.03 Q V | | | |
4+40 0.0082 0.03 Q V | | | |
4+45 0.0085 0.03 Q V | | | |
4+50 0.0087 0.04 Q V | | | |
4+55 0.0090 0.04 Q V | | | |
5+ 0 0.0092 0.04 Q V | | | |
5+ 5 0.0095 0.04 Q V | | | |
5+10 0.0097 0.03 Q V | | | |
5+15 0.0099 0.03 Q V | | | |
5+20 0.0101 0.03 Q V | | | |
5+25 0.0104 0.03 Q V | | | |
5+30 0.0106 0.03 Q V | | | |
5+35 0.0109 0.04 Q V | | | |
5+40 0.0111 0.04 Q V | | | |
5+45 0.0114 0.04 Q V | | | |
5+50 0.0117 0.04 Q V | | | |
5+55 0.0120 0.04 Q V | | | |
6+ 0 0.0122 0.04 Q V | | | |
6+ 5 0.0125 0.04 Q V | | | |
6+10 0.0128 0.04 Q V | | | |
6+15 0.0131 0.04 Q V | | | |
6+20 0.0134 0.04 Q V | | | |
6+25 0.0138 0.04 Q V | | | |
6+30 0.0141 0.04 Q V | | | |
6+35 0.0144 0.05 Q V | | | |
6+40 0.0147 0.05 Q V | | | |
6+45 0.0151 0.05 Q V | | | |
6+50 0.0154 0.05 Q V | | | |
6+55 0.0158 0.05 Q V | | | |
7+ 0 0.0161 0.05 Q V | | | |
7+ 5 0.0164 0.05 Q V | | | |
Item Number: 1.
7+10 0.0168 0.05 Q V | | | |
7+15 0.0171 0.05 Q V | | | |
7+20 0.0175 0.05 Q V | | | |
7+25 0.0179 0.05 Q V | | | |
7+30 0.0182 0.05 Q V | | | |
7+35 0.0186 0.06 Q V | | | |
7+40 0.0190 0.06 Q V | | | |
7+45 0.0194 0.06 Q V | | | |
7+50 0.0199 0.06 Q V | | | |
7+55 0.0203 0.06 Q V | | | |
8+ 0 0.0207 0.06 Q V | | | |
8+ 5 0.0212 0.07 Q V | | | |
8+10 0.0217 0.07 Q V | | | |
8+15 0.0222 0.07 Q V | | | |
8+20 0.0227 0.07 Q V | | | |
8+25 0.0233 0.07 Q V | | | |
8+30 0.0238 0.07 Q V | | | |
8+35 0.0243 0.08 Q V | | | |
8+40 0.0249 0.08 Q V| | | |
8+45 0.0254 0.08 Q V| | | |
8+50 0.0260 0.08 Q V| | | |
8+55 0.0265 0.08 Q V| | | |
9+ 0 0.0271 0.08 Q V| | | |
9+ 5 0.0277 0.09 Q V | | |
9+10 0.0284 0.09 Q V | | |
9+15 0.0290 0.09 Q V | | |
9+20 0.0297 0.10 Q V | | |
9+25 0.0304 0.10 Q |V | | |
9+30 0.0311 0.10 Q |V | | |
9+35 0.0318 0.10 Q |V | | |
9+40 0.0325 0.10 Q |V | | |
9+45 0.0332 0.10 Q | V | | |
9+50 0.0339 0.11 Q | V | | |
9+55 0.0347 0.11 Q | V | | |
10+ 0 0.0354 0.11 Q | V | | |
10+ 5 0.0361 0.10 Q | V | | |
10+10 0.0366 0.08 Q | V | | |
10+15 0.0372 0.08 Q | V | | |
10+20 0.0377 0.08 Q | V | | |
10+25 0.0382 0.07 Q | V | | |
10+30 0.0387 0.07 Q | V | | |
10+35 0.0393 0.08 Q | V | | |
10+40 0.0400 0.10 Q | V | | |
10+45 0.0406 0.10 Q | V | | |
10+50 0.0413 0.10 Q | V | | |
10+55 0.0420 0.10 Q | V | | |
11+ 0 0.0427 0.10 Q | V | | |
11+ 5 0.0434 0.10 Q | V | | |
11+10 0.0440 0.10 Q | V | | |
11+15 0.0447 0.09 Q | V | | |
Item Number: 1.
11+20 0.0453 0.09 Q | V | | |
11+25 0.0460 0.09 Q | V | | |
11+30 0.0466 0.09 Q | V | | |
11+35 0.0473 0.09 Q | V | | |
11+40 0.0479 0.09 Q | V | | |
11+45 0.0484 0.09 Q | V | | |
11+50 0.0490 0.09 Q | V | | |
11+55 0.0497 0.09 Q | V | | |
12+ 0 0.0503 0.09 Q | V | | |
12+ 5 0.0510 0.10 Q | V | | |
12+10 0.0518 0.12 Q | V | | |
12+15 0.0527 0.12 Q | V| | |
12+20 0.0535 0.13 Q | V| | |
12+25 0.0544 0.13 Q | V| | |
12+30 0.0553 0.13 Q | V | |
12+35 0.0562 0.13 Q | V | |
12+40 0.0572 0.14 Q | V | |
12+45 0.0581 0.14 Q | |V | |
12+50 0.0591 0.14 Q | |V | |
12+55 0.0601 0.14 Q | |V | |
13+ 0 0.0611 0.14 Q | | V | |
13+ 5 0.0625 0.20 Q | | V | |
13+10 0.0644 0.28 |Q | | V | |
13+15 0.0666 0.31 |Q | | V | |
13+20 0.0687 0.32 |Q | | V | |
13+25 0.0710 0.33 |Q | | V | |
13+30 0.0733 0.33 |Q | | V | |
13+35 0.0750 0.25 |Q | | V | |
13+40 0.0761 0.15 Q | | V | |
13+45 0.0769 0.13 Q | | V | |
13+50 0.0777 0.12 Q | | V | |
13+55 0.0785 0.11 Q | | V | |
14+ 0 0.0793 0.11 Q | | V| |
14+ 5 0.0802 0.12 Q | | V| |
14+10 0.0811 0.13 Q | | V| |
14+15 0.0820 0.13 Q | | V| |
14+20 0.0829 0.13 Q | | V |
14+25 0.0838 0.13 Q | | V |
14+30 0.0847 0.13 Q | | V |
14+35 0.0856 0.13 Q | | |V |
14+40 0.0865 0.13 Q | | |V |
14+45 0.0874 0.13 Q | | |V |
14+50 0.0882 0.13 Q | | | V |
14+55 0.0891 0.13 Q | | | V |
15+ 0 0.0900 0.12 Q | | | V |
15+ 5 0.0908 0.12 Q | | | V |
15+10 0.0916 0.12 Q | | | V |
15+15 0.0925 0.12 Q | | | V |
15+20 0.0933 0.12 Q | | | V |
15+25 0.0941 0.12 Q | | | V |
Item Number: 1.
15+30 0.0949 0.11 Q | | | V |
15+35 0.0956 0.11 Q | | | V |
15+40 0.0963 0.10 Q | | | V |
15+45 0.0969 0.10 Q | | | V |
15+50 0.0976 0.10 Q | | | V |
15+55 0.0982 0.09 Q | | | V |
16+ 0 0.0989 0.09 Q | | | V |
16+ 5 0.0994 0.07 Q | | | V |
16+10 0.0996 0.03 Q | | | V |
16+15 0.0997 0.02 Q | | | V |
16+20 0.0999 0.02 Q | | | V |
16+25 0.1000 0.02 Q | | | V |
16+30 0.1002 0.02 Q | | | V |
16+35 0.1003 0.02 Q | | | V |
16+40 0.1004 0.02 Q | | | V |
16+45 0.1005 0.02 Q | | | V |
16+50 0.1006 0.02 Q | | | V |
16+55 0.1007 0.01 Q | | | V |
17+ 0 0.1008 0.01 Q | | | V |
17+ 5 0.1009 0.02 Q | | | V |
17+10 0.1011 0.02 Q | | | V |
17+15 0.1013 0.02 Q | | | V |
17+20 0.1014 0.02 Q | | | V |
17+25 0.1016 0.02 Q | | | V |
17+30 0.1018 0.02 Q | | | V |
17+35 0.1019 0.02 Q | | | V |
17+40 0.1021 0.02 Q | | | V |
17+45 0.1023 0.02 Q | | | V |
17+50 0.1024 0.02 Q | | | V |
17+55 0.1026 0.02 Q | | | V |
18+ 0 0.1027 0.02 Q | | | V |
18+ 5 0.1029 0.02 Q | | | V |
18+10 0.1030 0.02 Q | | | V |
18+15 0.1031 0.02 Q | | | V |
18+20 0.1033 0.02 Q | | | V |
18+25 0.1034 0.02 Q | | | V |
18+30 0.1036 0.02 Q | | | V |
18+35 0.1037 0.02 Q | | | V |
18+40 0.1038 0.02 Q | | | V |
18+45 0.1039 0.02 Q | | | V |
18+50 0.1040 0.01 Q | | | V |
18+55 0.1041 0.01 Q | | | V |
19+ 0 0.1041 0.01 Q | | | V |
19+ 5 0.1042 0.01 Q | | | V |
19+10 0.1043 0.01 Q | | | V |
19+15 0.1044 0.01 Q | | | V |
19+20 0.1045 0.02 Q | | | V |
19+25 0.1047 0.02 Q | | | V |
19+30 0.1048 0.02 Q | | | V |
19+35 0.1049 0.02 Q | | | V |
Item Number: 1.
19+40 0.1050 0.02 Q | | | V |
19+45 0.1051 0.02 Q | | | V |
19+50 0.1052 0.01 Q | | | V |
19+55 0.1053 0.01 Q | | | V |
20+ 0 0.1054 0.01 Q | | | V |
20+ 5 0.1054 0.01 Q | | | V |
20+10 0.1055 0.01 Q | | | V |
20+15 0.1056 0.01 Q | | | V |
20+20 0.1057 0.01 Q | | | V |
20+25 0.1058 0.01 Q | | | V |
20+30 0.1060 0.01 Q | | | V |
20+35 0.1061 0.01 Q | | | V |
20+40 0.1062 0.01 Q | | | V |
20+45 0.1063 0.01 Q | | | V |
20+50 0.1063 0.01 Q | | | V |
20+55 0.1064 0.01 Q | | | V |
21+ 0 0.1065 0.01 Q | | | V |
21+ 5 0.1066 0.01 Q | | | V |
21+10 0.1067 0.01 Q | | | V|
21+15 0.1068 0.01 Q | | | V|
21+20 0.1069 0.01 Q | | | V|
21+25 0.1069 0.01 Q | | | V|
21+30 0.1070 0.01 Q | | | V|
21+35 0.1071 0.01 Q | | | V|
21+40 0.1072 0.01 Q | | | V|
21+45 0.1073 0.01 Q | | | V|
21+50 0.1074 0.01 Q | | | V|
21+55 0.1075 0.01 Q | | | V|
22+ 0 0.1075 0.01 Q | | | V|
22+ 5 0.1076 0.01 Q | | | V|
22+10 0.1077 0.01 Q | | | V|
22+15 0.1078 0.01 Q | | | V|
22+20 0.1079 0.01 Q | | | V|
22+25 0.1080 0.01 Q | | | V|
22+30 0.1080 0.01 Q | | | V|
22+35 0.1081 0.01 Q | | | V|
22+40 0.1082 0.01 Q | | | V|
22+45 0.1082 0.01 Q | | | V|
22+50 0.1083 0.01 Q | | | V|
22+55 0.1084 0.01 Q | | | V|
23+ 0 0.1085 0.01 Q | | | V|
23+ 5 0.1085 0.01 Q | | | V|
23+10 0.1086 0.01 Q | | | V|
23+15 0.1087 0.01 Q | | | V|
23+20 0.1087 0.01 Q | | | V|
23+25 0.1088 0.01 Q | | | V|
23+30 0.1089 0.01 Q | | | V|
23+35 0.1089 0.01 Q | | | V|
23+40 0.1090 0.01 Q | | | V|
23+45 0.1091 0.01 Q | | | V|
Item Number: 1.
23+50 0.1091 0.01 Q | | | V|
23+55 0.1092 0.01 Q | | | V|
24+ 0 0.1093 0.01 Q | | | V|
24+ 5 0.1093 0.01 Q | | | V|
24+10 0.1093 0.00 Q | | | V|
24+15 0.1093 0.00 Q | | | V|
24+20 0.1093 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh1100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
100 yr
1 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 1 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.47 1.87
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.67 6.65
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 0.471(In)
Area Averaged 100-Year Rainfall = 1.670(In)
Point rain (area averaged) = 1.670(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.670(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 83.2 0.208 0.000 0.208 1.000 0.208
Sum (F) = 0.208
Area averaged mean soil loss (F) (In/Hr) = 0.208
Minimum soil loss rate ((In/Hr)) = 0.104
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- Slope of intensity-duration curve for a 1 hour storm =0.5800 ---------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
Item Number: 1.
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 3.60 0.721 0.208 ( 0.649) 0.514
2 0.17 4.20 0.842 0.208 ( 0.757) 0.634
3 0.25 4.40 0.882 0.208 ( 0.794) 0.674
4 0.33 4.60 0.922 0.208 ( 0.830) 0.714
5 0.42 5.00 1.002 0.208 ( 0.902) 0.794
6 0.50 5.60 1.122 0.208 ( 1.010) 0.915
7 0.58 6.40 1.283 0.208 ( 1.154) 1.075
8 0.67 8.10 1.623 0.208 ( 1.461) 1.416
9 0.75 13.10 2.625 0.208 ( 2.363) 2.418
10 0.83 34.50 6.914 0.208 ( 6.222) 6.706
11 0.92 6.70 1.343 0.208 ( 1.208) 1.135
12 1.00 3.80 0.761 0.208 ( 0.685) 0.554
(Loss Rate Not Used)
Sum = 100.0 Sum = 17.5
Flood volume = Effective rainfall 1.46(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.5(Ac.Ft)
Total soil loss = 0.21(In)
Total soil loss = 0.069(Ac.Ft)
Total rainfall = 1.67(In)
Flood volume = 21128.2 Cubic Feet
Total soil loss = 2998.1 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 15.661(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 5.0 10.0 15.0 20.0
----------------------------------------------------------------------- 0+ 5 0.0054 0.78 VQ | | | |
0+10 0.0187 1.93 |V Q | | | |
0+15 0.0354 2.43 | V Q | | | |
0+20 0.0539 2.69 | VQ | | | |
0+25 0.0743 2.95 | QV | | | |
0+30 0.0971 3.31 | Q V | | | |
0+35 0.1234 3.82 | Q V | | |
0+40 0.1558 4.71 | Q| V | | |
0+45 0.2037 6.96 | | Q V | | |
Item Number: 1.
0+50 0.3106 15.52 | | | V |Q |
0+55 0.4184 15.66 | | | |Q V |
1+ 0 0.4607 6.14 | | Q | | V |
1+ 5 0.4785 2.58 | Q | | | V|
1+10 0.4838 0.77 |Q | | | V|
1+15 0.4848 0.14 Q | | | V|
1+20 0.4850 0.03 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh3100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
100 yr
3 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 3 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.76 3.02
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 2.50 9.95
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 0.760(In)
Area Averaged 100-Year Rainfall = 2.500(In)
Point rain (area averaged) = 2.500(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 2.500(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 83.2 0.208 0.000 0.208 1.000 0.208
Sum (F) = 0.208
Area averaged mean soil loss (F) (In/Hr) = 0.208
Minimum soil loss rate ((In/Hr)) = 0.104
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 1.30 0.390 0.208 ( 0.351) 0.182
2 0.17 1.30 0.390 0.208 ( 0.351) 0.182
3 0.25 1.10 0.330 0.208 ( 0.297) 0.122
4 0.33 1.50 0.450 0.208 ( 0.405) 0.242
5 0.42 1.50 0.450 0.208 ( 0.405) 0.242
6 0.50 1.80 0.540 0.208 ( 0.486) 0.332
7 0.58 1.50 0.450 0.208 ( 0.405) 0.242
8 0.67 1.80 0.540 0.208 ( 0.486) 0.332
9 0.75 1.80 0.540 0.208 ( 0.486) 0.332
10 0.83 1.50 0.450 0.208 ( 0.405) 0.242
11 0.92 1.60 0.480 0.208 ( 0.432) 0.272
12 1.00 1.80 0.540 0.208 ( 0.486) 0.332
13 1.08 2.20 0.660 0.208 ( 0.594) 0.452
14 1.17 2.20 0.660 0.208 ( 0.594) 0.452
15 1.25 2.20 0.660 0.208 ( 0.594) 0.452
16 1.33 2.00 0.600 0.208 ( 0.540) 0.392
17 1.42 2.60 0.780 0.208 ( 0.702) 0.572
18 1.50 2.70 0.810 0.208 ( 0.729) 0.602
19 1.58 2.40 0.720 0.208 ( 0.648) 0.512
20 1.67 2.70 0.810 0.208 ( 0.729) 0.602
21 1.75 3.30 0.990 0.208 ( 0.891) 0.782
22 1.83 3.10 0.930 0.208 ( 0.837) 0.722
23 1.92 2.90 0.870 0.208 ( 0.783) 0.662
24 2.00 3.00 0.900 0.208 ( 0.810) 0.692
25 2.08 3.10 0.930 0.208 ( 0.837) 0.722
26 2.17 4.20 1.260 0.208 ( 1.134) 1.052
27 2.25 5.00 1.500 0.208 ( 1.350) 1.292
28 2.33 3.50 1.050 0.208 ( 0.945) 0.842
29 2.42 6.80 2.040 0.208 ( 1.836) 1.832
30 2.50 7.30 2.190 0.208 ( 1.971) 1.982
31 2.58 8.20 2.460 0.208 ( 2.214) 2.252
32 2.67 5.90 1.770 0.208 ( 1.593) 1.562
33 2.75 2.00 0.600 0.208 ( 0.540) 0.392
34 2.83 1.80 0.540 0.208 ( 0.486) 0.332
35 2.92 1.80 0.540 0.208 ( 0.486) 0.332
36 3.00 0.60 0.180 ( 0.208) 0.162 0.018
(Loss Rate Not Used)
Sum = 100.0 Sum = 22.6
Flood volume = Effective rainfall 1.88(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.6(Ac.Ft)
Total soil loss = 0.62(In)
Total soil loss = 0.205(Ac.Ft)
Total rainfall = 2.50(In)
Flood volume = 27178.3 Cubic Feet
Item Number: 1.
Total soil loss = 8939.6 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 8.106(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0019 0.28 VQ | | | |
0+10 0.0062 0.62 V Q | | | |
0+15 0.0104 0.61 V Q | | | |
0+20 0.0152 0.70 V Q | | | |
0+25 0.0215 0.91 |V Q | | | |
0+30 0.0290 1.09 |V Q | | | |
0+35 0.0368 1.14 | V Q | | | |
0+40 0.0447 1.15 | V Q | | | |
0+45 0.0536 1.29 | V Q | | | |
0+50 0.0617 1.19 | VQ | | | |
0+55 0.0691 1.07 | Q | | | |
1+ 0 0.0773 1.18 | Q | | | |
1+ 5 0.0874 1.48 | Q | | | |
1+10 0.0994 1.73 | Q | | | |
1+15 0.1117 1.79 | Q | | | |
1+20 0.1235 1.72 | QV | | | |
1+25 0.1365 1.88 | QV | | | |
1+30 0.1519 2.25 | QV| | | |
1+35 0.1673 2.23 | Q V | | |
1+40 0.1827 2.23 | Q |V | | |
1+45 0.2009 2.65 | Q V | | |
1+50 0.2211 2.93 | |Q V | | |
1+55 0.2404 2.80 | |Q V | | |
2+ 0 0.2593 2.74 | Q V | | |
2+ 5 0.2787 2.82 | |Q V | | |
2+10 0.3020 3.38 | | Q V| | |
2+15 0.3322 4.38 | | Q |V | |
2+20 0.3617 4.29 | | Q | V | |
2+25 0.3968 5.09 | | Q V | |
2+30 0.4454 7.06 | | | Q | |
2+35 0.5012 8.11 | | | | Q |
2+40 0.5545 7.74 | | | Q V |
2+45 0.5880 4.85 | | Q| | V |
2+50 0.6039 2.31 | Q| | | V |
2+55 0.6152 1.64 | Q | | | V|
3+ 0 0.6216 0.94 | Q | | | V|
3+ 5 0.6233 0.24 Q | | | V|
Item Number: 1.
3+10 0.6238 0.07 Q | | | V|
3+15 0.6239 0.02 Q | | | V|
3+20 0.6239 0.00 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh6100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
100 yr
6 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 6 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.99 3.95
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 3.25 12.94
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 0.993(In)
Area Averaged 100-Year Rainfall = 3.250(In)
Point rain (area averaged) = 3.250(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 3.250(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 83.2 0.208 0.000 0.208 1.000 0.208
Sum (F) = 0.208
Area averaged mean soil loss (F) (In/Hr) = 0.208
Minimum soil loss rate ((In/Hr)) = 0.104
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.50 0.195 ( 0.208) 0.175 0.019
2 0.17 0.60 0.234 0.208 ( 0.211) 0.026
3 0.25 0.60 0.234 0.208 ( 0.211) 0.026
4 0.33 0.60 0.234 0.208 ( 0.211) 0.026
5 0.42 0.60 0.234 0.208 ( 0.211) 0.026
6 0.50 0.70 0.273 0.208 ( 0.246) 0.065
7 0.58 0.70 0.273 0.208 ( 0.246) 0.065
8 0.67 0.70 0.273 0.208 ( 0.246) 0.065
9 0.75 0.70 0.273 0.208 ( 0.246) 0.065
10 0.83 0.70 0.273 0.208 ( 0.246) 0.065
11 0.92 0.70 0.273 0.208 ( 0.246) 0.065
12 1.00 0.80 0.312 0.208 ( 0.281) 0.104
13 1.08 0.80 0.312 0.208 ( 0.281) 0.104
14 1.17 0.80 0.312 0.208 ( 0.281) 0.104
15 1.25 0.80 0.312 0.208 ( 0.281) 0.104
16 1.33 0.80 0.312 0.208 ( 0.281) 0.104
17 1.42 0.80 0.312 0.208 ( 0.281) 0.104
18 1.50 0.80 0.312 0.208 ( 0.281) 0.104
19 1.58 0.80 0.312 0.208 ( 0.281) 0.104
20 1.67 0.80 0.312 0.208 ( 0.281) 0.104
21 1.75 0.80 0.312 0.208 ( 0.281) 0.104
22 1.83 0.80 0.312 0.208 ( 0.281) 0.104
23 1.92 0.80 0.312 0.208 ( 0.281) 0.104
24 2.00 0.90 0.351 0.208 ( 0.316) 0.143
25 2.08 0.80 0.312 0.208 ( 0.281) 0.104
26 2.17 0.90 0.351 0.208 ( 0.316) 0.143
27 2.25 0.90 0.351 0.208 ( 0.316) 0.143
28 2.33 0.90 0.351 0.208 ( 0.316) 0.143
29 2.42 0.90 0.351 0.208 ( 0.316) 0.143
30 2.50 0.90 0.351 0.208 ( 0.316) 0.143
31 2.58 0.90 0.351 0.208 ( 0.316) 0.143
32 2.67 0.90 0.351 0.208 ( 0.316) 0.143
33 2.75 1.00 0.390 0.208 ( 0.351) 0.182
34 2.83 1.00 0.390 0.208 ( 0.351) 0.182
35 2.92 1.00 0.390 0.208 ( 0.351) 0.182
36 3.00 1.00 0.390 0.208 ( 0.351) 0.182
37 3.08 1.00 0.390 0.208 ( 0.351) 0.182
38 3.17 1.10 0.429 0.208 ( 0.386) 0.221
39 3.25 1.10 0.429 0.208 ( 0.386) 0.221
40 3.33 1.10 0.429 0.208 ( 0.386) 0.221
41 3.42 1.20 0.468 0.208 ( 0.421) 0.260
42 3.50 1.30 0.507 0.208 ( 0.456) 0.299
43 3.58 1.40 0.546 0.208 ( 0.491) 0.338
44 3.67 1.40 0.546 0.208 ( 0.491) 0.338
Item Number: 1.
45 3.75 1.50 0.585 0.208 ( 0.526) 0.377
46 3.83 1.50 0.585 0.208 ( 0.526) 0.377
47 3.92 1.60 0.624 0.208 ( 0.562) 0.416
48 4.00 1.60 0.624 0.208 ( 0.562) 0.416
49 4.08 1.70 0.663 0.208 ( 0.597) 0.455
50 4.17 1.80 0.702 0.208 ( 0.632) 0.494
51 4.25 1.90 0.741 0.208 ( 0.667) 0.533
52 4.33 2.00 0.780 0.208 ( 0.702) 0.572
53 4.42 2.10 0.819 0.208 ( 0.737) 0.611
54 4.50 2.10 0.819 0.208 ( 0.737) 0.611
55 4.58 2.20 0.858 0.208 ( 0.772) 0.650
56 4.67 2.30 0.897 0.208 ( 0.807) 0.689
57 4.75 2.40 0.936 0.208 ( 0.842) 0.728
58 4.83 2.40 0.936 0.208 ( 0.842) 0.728
59 4.92 2.50 0.975 0.208 ( 0.877) 0.767
60 5.00 2.60 1.014 0.208 ( 0.913) 0.806
61 5.08 3.10 1.209 0.208 ( 1.088) 1.001
62 5.17 3.60 1.404 0.208 ( 1.264) 1.196
63 5.25 3.90 1.521 0.208 ( 1.369) 1.313
64 5.33 4.20 1.638 0.208 ( 1.474) 1.430
65 5.42 4.70 1.833 0.208 ( 1.650) 1.625
66 5.50 5.60 2.184 0.208 ( 1.966) 1.976
67 5.58 1.90 0.741 0.208 ( 0.667) 0.533
68 5.67 0.90 0.351 0.208 ( 0.316) 0.143
69 5.75 0.60 0.234 0.208 ( 0.211) 0.026
70 5.83 0.50 0.195 ( 0.208) 0.175 0.019
71 5.92 0.30 0.117 ( 0.208) 0.105 0.012
72 6.00 0.20 0.078 ( 0.208) 0.070 0.008
(Loss Rate Not Used)
Sum = 100.0 Sum = 24.4
Flood volume = Effective rainfall 2.03(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.7(Ac.Ft)
Total soil loss = 1.22(In)
Total soil loss = 0.405(Ac.Ft)
Total rainfall = 3.25(In)
Flood volume = 29330.2 Cubic Feet
Total soil loss = 17623.2 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 6.908(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0002 0.03 Q | | | |
Item Number: 1.
0+10 0.0007 0.08 Q | | | |
0+15 0.0014 0.10 Q | | | |
0+20 0.0021 0.10 Q | | | |
0+25 0.0029 0.11 Q | | | |
0+30 0.0040 0.17 Q | | | |
0+35 0.0056 0.24 Q | | | |
0+40 0.0074 0.26 VQ | | | |
0+45 0.0092 0.26 VQ | | | |
0+50 0.0110 0.26 VQ | | | |
0+55 0.0128 0.26 VQ | | | |
1+ 0 0.0150 0.32 VQ | | | |
1+ 5 0.0178 0.40 |Q | | | |
1+10 0.0206 0.41 |Q | | | |
1+15 0.0235 0.42 |Q | | | |
1+20 0.0263 0.42 |Q | | | |
1+25 0.0292 0.42 |Q | | | |
1+30 0.0321 0.42 |Q | | | |
1+35 0.0350 0.42 |QV | | | |
1+40 0.0379 0.42 |QV | | | |
1+45 0.0408 0.42 |QV | | | |
1+50 0.0437 0.42 |QV | | | |
1+55 0.0466 0.42 |QV | | | |
2+ 0 0.0499 0.48 |QV | | | |
2+ 5 0.0533 0.49 |Q V | | | |
2+10 0.0567 0.49 |Q V | | | |
2+15 0.0605 0.56 | QV | | | |
2+20 0.0644 0.57 | QV | | | |
2+25 0.0684 0.57 | Q V | | | |
2+30 0.0723 0.58 | Q V | | | |
2+35 0.0763 0.58 | Q V | | | |
2+40 0.0803 0.58 | Q V | | | |
2+45 0.0846 0.63 | Q V | | | |
2+50 0.0895 0.71 | Q V | | | |
2+55 0.0945 0.72 | Q V | | | |
3+ 0 0.0995 0.73 | Q V | | | |
3+ 5 0.1046 0.73 | Q V | | | |
3+10 0.1100 0.79 | Q V | | | |
3+15 0.1160 0.87 | Q V | | | |
3+20 0.1221 0.88 | Q V | | | |
3+25 0.1286 0.95 | Q V | | | |
3+30 0.1360 1.08 | Q V | | | |
3+35 0.1445 1.23 | Q V | | | |
3+40 0.1536 1.32 | Q V| | | |
3+45 0.1633 1.41 | Q V| | | |
3+50 0.1736 1.49 | Q V | | |
3+55 0.1843 1.57 | Q V | | |
4+ 0 0.1957 1.65 | Q |V | | |
4+ 5 0.2075 1.72 | Q | V | | |
4+10 0.2204 1.86 | Q | V | | |
4+15 0.2342 2.01 | Q | V | | |
Item Number: 1.
4+20 0.2491 2.17 | Q | V | | |
4+25 0.2651 2.32 | Q| V | | |
4+30 0.2818 2.42 | Q| V | | |
4+35 0.2991 2.50 | Q V | | |
4+40 0.3173 2.64 | Q V | | |
4+45 0.3365 2.79 | |Q V| | |
4+50 0.3564 2.89 | |Q |V | |
4+55 0.3769 2.97 | |Q | V | |
5+ 0 0.3983 3.11 | | Q | V | |
5+ 5 0.4224 3.50 | | Q | V | |
5+10 0.4513 4.19 | | Q | V | |
5+15 0.4845 4.82 | | Q| V | |
5+20 0.5212 5.33 | | |Q V |
5+25 0.5620 5.93 | | | Q | V |
5+30 0.6096 6.91 | | | Q | V |
5+35 0.6474 5.49 | | |Q | V |
5+40 0.6635 2.34 | Q| | | V|
5+45 0.6697 0.90 | Q | | | V|
5+50 0.6719 0.33 |Q | | | V|
5+55 0.6727 0.12 Q | | | V|
6+ 0 0.6731 0.05 Q | | | V|
6+ 5 0.6733 0.02 Q | | | V|
6+10 0.6733 0.01 Q | | | V|
6+15 0.6733 0.00 Q | | | V|
6+20 0.6733 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183preuh24100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Pre Development Unit Hydrograph
100 yr
24 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 693.44(Ft.)
Length along longest watercourse measured to centroid = 353.17(Ft.) Length along longest watercourse = 0.131 Mi.
Length along longest watercourse measured to centroid = 0.067 Mi.
Difference in elevation = 17.37(Ft.)
Slope along watercourse = 132.2589 Ft./Mi.
Average Manning's 'N' = 0.030
Lag time = 0.047 Hr.
Lag time = 2.83 Min.
25% of lag time = 0.71 Min.
40% of lag time = 1.13 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.51 6.01
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 5.39 21.45
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 1.510(In)
Area Averaged 100-Year Rainfall = 5.390(In)
Point rain (area averaged) = 5.390(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 5.390(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 67.00 0.000
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
67.0 83.2 0.208 0.000 0.208 1.000 0.208
Sum (F) = 0.208
Area averaged mean soil loss (F) (In/Hr) = 0.208
Minimum soil loss rate ((In/Hr)) = 0.104
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.900
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 176.987 37.763 1.515
2 0.167 353.974 47.173 1.892
3 0.250 530.961 10.173 0.408
4 0.333 707.948 3.442 0.138
5 0.417 884.935 1.449 0.058
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.07 0.043 ( 0.368) 0.039 0.004
2 0.17 0.07 0.043 ( 0.366) 0.039 0.004
3 0.25 0.07 0.043 ( 0.365) 0.039 0.004
4 0.33 0.10 0.065 ( 0.364) 0.058 0.006
5 0.42 0.10 0.065 ( 0.362) 0.058 0.006
6 0.50 0.10 0.065 ( 0.361) 0.058 0.006
7 0.58 0.10 0.065 ( 0.359) 0.058 0.006
8 0.67 0.10 0.065 ( 0.358) 0.058 0.006
9 0.75 0.10 0.065 ( 0.357) 0.058 0.006
10 0.83 0.13 0.086 ( 0.355) 0.078 0.009
11 0.92 0.13 0.086 ( 0.354) 0.078 0.009
12 1.00 0.13 0.086 ( 0.352) 0.078 0.009
13 1.08 0.10 0.065 ( 0.351) 0.058 0.006
14 1.17 0.10 0.065 ( 0.350) 0.058 0.006
15 1.25 0.10 0.065 ( 0.348) 0.058 0.006
16 1.33 0.10 0.065 ( 0.347) 0.058 0.006
17 1.42 0.10 0.065 ( 0.345) 0.058 0.006
18 1.50 0.10 0.065 ( 0.344) 0.058 0.006
19 1.58 0.10 0.065 ( 0.343) 0.058 0.006
20 1.67 0.10 0.065 ( 0.341) 0.058 0.006
21 1.75 0.10 0.065 ( 0.340) 0.058 0.006
22 1.83 0.13 0.086 ( 0.339) 0.078 0.009
23 1.92 0.13 0.086 ( 0.337) 0.078 0.009
24 2.00 0.13 0.086 ( 0.336) 0.078 0.009
25 2.08 0.13 0.086 ( 0.334) 0.078 0.009
26 2.17 0.13 0.086 ( 0.333) 0.078 0.009
27 2.25 0.13 0.086 ( 0.332) 0.078 0.009
28 2.33 0.13 0.086 ( 0.330) 0.078 0.009
29 2.42 0.13 0.086 ( 0.329) 0.078 0.009
30 2.50 0.13 0.086 ( 0.328) 0.078 0.009
31 2.58 0.17 0.108 ( 0.326) 0.097 0.011
32 2.67 0.17 0.108 ( 0.325) 0.097 0.011
33 2.75 0.17 0.108 ( 0.324) 0.097 0.011
34 2.83 0.17 0.108 ( 0.322) 0.097 0.011
35 2.92 0.17 0.108 ( 0.321) 0.097 0.011
36 3.00 0.17 0.108 ( 0.320) 0.097 0.011
37 3.08 0.17 0.108 ( 0.318) 0.097 0.011
38 3.17 0.17 0.108 ( 0.317) 0.097 0.011
39 3.25 0.17 0.108 ( 0.316) 0.097 0.011
40 3.33 0.17 0.108 ( 0.314) 0.097 0.011
41 3.42 0.17 0.108 ( 0.313) 0.097 0.011
42 3.50 0.17 0.108 ( 0.312) 0.097 0.011
43 3.58 0.17 0.108 ( 0.311) 0.097 0.011
44 3.67 0.17 0.108 ( 0.309) 0.097 0.011
Item Number: 1.
45 3.75 0.17 0.108 ( 0.308) 0.097 0.011
46 3.83 0.20 0.129 ( 0.307) 0.116 0.013
47 3.92 0.20 0.129 ( 0.305) 0.116 0.013
48 4.00 0.20 0.129 ( 0.304) 0.116 0.013
49 4.08 0.20 0.129 ( 0.303) 0.116 0.013
50 4.17 0.20 0.129 ( 0.301) 0.116 0.013
51 4.25 0.20 0.129 ( 0.300) 0.116 0.013
52 4.33 0.23 0.151 ( 0.299) 0.136 0.015
53 4.42 0.23 0.151 ( 0.298) 0.136 0.015
54 4.50 0.23 0.151 ( 0.296) 0.136 0.015
55 4.58 0.23 0.151 ( 0.295) 0.136 0.015
56 4.67 0.23 0.151 ( 0.294) 0.136 0.015
57 4.75 0.23 0.151 ( 0.293) 0.136 0.015
58 4.83 0.27 0.172 ( 0.291) 0.155 0.017
59 4.92 0.27 0.172 ( 0.290) 0.155 0.017
60 5.00 0.27 0.172 ( 0.289) 0.155 0.017
61 5.08 0.20 0.129 ( 0.288) 0.116 0.013
62 5.17 0.20 0.129 ( 0.286) 0.116 0.013
63 5.25 0.20 0.129 ( 0.285) 0.116 0.013
64 5.33 0.23 0.151 ( 0.284) 0.136 0.015
65 5.42 0.23 0.151 ( 0.283) 0.136 0.015
66 5.50 0.23 0.151 ( 0.281) 0.136 0.015
67 5.58 0.27 0.172 ( 0.280) 0.155 0.017
68 5.67 0.27 0.172 ( 0.279) 0.155 0.017
69 5.75 0.27 0.172 ( 0.278) 0.155 0.017
70 5.83 0.27 0.172 ( 0.276) 0.155 0.017
71 5.92 0.27 0.172 ( 0.275) 0.155 0.017
72 6.00 0.27 0.172 ( 0.274) 0.155 0.017
73 6.08 0.30 0.194 ( 0.273) 0.175 0.019
74 6.17 0.30 0.194 ( 0.271) 0.175 0.019
75 6.25 0.30 0.194 ( 0.270) 0.175 0.019
76 6.33 0.30 0.194 ( 0.269) 0.175 0.019
77 6.42 0.30 0.194 ( 0.268) 0.175 0.019
78 6.50 0.30 0.194 ( 0.267) 0.175 0.019
79 6.58 0.33 0.216 ( 0.265) 0.194 0.022
80 6.67 0.33 0.216 ( 0.264) 0.194 0.022
81 6.75 0.33 0.216 ( 0.263) 0.194 0.022
82 6.83 0.33 0.216 ( 0.262) 0.194 0.022
83 6.92 0.33 0.216 ( 0.261) 0.194 0.022
84 7.00 0.33 0.216 ( 0.260) 0.194 0.022
85 7.08 0.33 0.216 ( 0.258) 0.194 0.022
86 7.17 0.33 0.216 ( 0.257) 0.194 0.022
87 7.25 0.33 0.216 ( 0.256) 0.194 0.022
88 7.33 0.37 0.237 ( 0.255) 0.213 0.024
89 7.42 0.37 0.237 ( 0.254) 0.213 0.024
90 7.50 0.37 0.237 ( 0.253) 0.213 0.024
91 7.58 0.40 0.259 ( 0.251) 0.233 0.026
92 7.67 0.40 0.259 ( 0.250) 0.233 0.026
93 7.75 0.40 0.259 ( 0.249) 0.233 0.026
94 7.83 0.43 0.280 0.248 ( 0.252) 0.032
Item Number: 1.
95 7.92 0.43 0.280 0.247 ( 0.252) 0.034
96 8.00 0.43 0.280 0.246 ( 0.252) 0.035
97 8.08 0.50 0.323 0.244 ( 0.291) 0.079
98 8.17 0.50 0.323 0.243 ( 0.291) 0.080
99 8.25 0.50 0.323 0.242 ( 0.291) 0.081
100 8.33 0.50 0.323 0.241 ( 0.291) 0.082
101 8.42 0.50 0.323 0.240 ( 0.291) 0.083
102 8.50 0.50 0.323 0.239 ( 0.291) 0.085
103 8.58 0.53 0.345 0.238 ( 0.310) 0.107
104 8.67 0.53 0.345 0.237 ( 0.310) 0.108
105 8.75 0.53 0.345 0.235 ( 0.310) 0.110
106 8.83 0.57 0.367 0.234 ( 0.330) 0.132
107 8.92 0.57 0.367 0.233 ( 0.330) 0.133
108 9.00 0.57 0.367 0.232 ( 0.330) 0.134
109 9.08 0.63 0.410 0.231 ( 0.369) 0.179
110 9.17 0.63 0.410 0.230 ( 0.369) 0.180
111 9.25 0.63 0.410 0.229 ( 0.369) 0.181
112 9.33 0.67 0.431 0.228 ( 0.388) 0.203
113 9.42 0.67 0.431 0.227 ( 0.388) 0.205
114 9.50 0.67 0.431 0.226 ( 0.388) 0.206
115 9.58 0.70 0.453 0.224 ( 0.407) 0.228
116 9.67 0.70 0.453 0.223 ( 0.407) 0.229
117 9.75 0.70 0.453 0.222 ( 0.407) 0.230
118 9.83 0.73 0.474 0.221 ( 0.427) 0.253
119 9.92 0.73 0.474 0.220 ( 0.427) 0.254
120 10.00 0.73 0.474 0.219 ( 0.427) 0.255
121 10.08 0.50 0.323 0.218 ( 0.291) 0.105
122 10.17 0.50 0.323 0.217 ( 0.291) 0.106
123 10.25 0.50 0.323 0.216 ( 0.291) 0.107
124 10.33 0.50 0.323 0.215 ( 0.291) 0.108
125 10.42 0.50 0.323 0.214 ( 0.291) 0.110
126 10.50 0.50 0.323 0.213 ( 0.291) 0.111
127 10.58 0.67 0.431 0.212 ( 0.388) 0.219
128 10.67 0.67 0.431 0.211 ( 0.388) 0.220
129 10.75 0.67 0.431 0.210 ( 0.388) 0.221
130 10.83 0.67 0.431 0.209 ( 0.388) 0.222
131 10.92 0.67 0.431 0.208 ( 0.388) 0.224
132 11.00 0.67 0.431 0.207 ( 0.388) 0.225
133 11.08 0.63 0.410 0.206 ( 0.369) 0.204
134 11.17 0.63 0.410 0.205 ( 0.369) 0.205
135 11.25 0.63 0.410 0.204 ( 0.369) 0.206
136 11.33 0.63 0.410 0.203 ( 0.369) 0.207
137 11.42 0.63 0.410 0.202 ( 0.369) 0.208
138 11.50 0.63 0.410 0.201 ( 0.369) 0.209
139 11.58 0.57 0.367 0.200 ( 0.330) 0.167
140 11.67 0.57 0.367 0.199 ( 0.330) 0.168
141 11.75 0.57 0.367 0.198 ( 0.330) 0.169
142 11.83 0.60 0.388 0.197 ( 0.349) 0.191
143 11.92 0.60 0.388 0.196 ( 0.349) 0.192
144 12.00 0.60 0.388 0.195 ( 0.349) 0.193
Item Number: 1.
145 12.08 0.83 0.539 0.194 ( 0.485) 0.345
146 12.17 0.83 0.539 0.193 ( 0.485) 0.346
147 12.25 0.83 0.539 0.192 ( 0.485) 0.347
148 12.33 0.87 0.561 0.191 ( 0.505) 0.370
149 12.42 0.87 0.561 0.190 ( 0.505) 0.371
150 12.50 0.87 0.561 0.189 ( 0.505) 0.372
151 12.58 0.93 0.604 0.188 ( 0.543) 0.416
152 12.67 0.93 0.604 0.187 ( 0.543) 0.417
153 12.75 0.93 0.604 0.186 ( 0.543) 0.418
154 12.83 0.97 0.625 0.185 ( 0.563) 0.440
155 12.92 0.97 0.625 0.184 ( 0.563) 0.441
156 13.00 0.97 0.625 0.183 ( 0.563) 0.442
157 13.08 1.13 0.733 0.182 ( 0.660) 0.551
158 13.17 1.13 0.733 0.181 ( 0.660) 0.552
159 13.25 1.13 0.733 0.180 ( 0.660) 0.553
160 13.33 1.13 0.733 0.180 ( 0.660) 0.553
161 13.42 1.13 0.733 0.179 ( 0.660) 0.554
162 13.50 1.13 0.733 0.178 ( 0.660) 0.555
163 13.58 0.77 0.496 0.177 ( 0.446) 0.319
164 13.67 0.77 0.496 0.176 ( 0.446) 0.320
165 13.75 0.77 0.496 0.175 ( 0.446) 0.321
166 13.83 0.77 0.496 0.174 ( 0.446) 0.322
167 13.92 0.77 0.496 0.173 ( 0.446) 0.323
168 14.00 0.77 0.496 0.172 ( 0.446) 0.323
169 14.08 0.90 0.582 0.171 ( 0.524) 0.411
170 14.17 0.90 0.582 0.171 ( 0.524) 0.411
171 14.25 0.90 0.582 0.170 ( 0.524) 0.412
172 14.33 0.87 0.561 0.169 ( 0.505) 0.392
173 14.42 0.87 0.561 0.168 ( 0.505) 0.393
174 14.50 0.87 0.561 0.167 ( 0.505) 0.393
175 14.58 0.87 0.561 0.166 ( 0.505) 0.394
176 14.67 0.87 0.561 0.165 ( 0.505) 0.395
177 14.75 0.87 0.561 0.165 ( 0.505) 0.396
178 14.83 0.83 0.539 0.164 ( 0.485) 0.375
179 14.92 0.83 0.539 0.163 ( 0.485) 0.376
180 15.00 0.83 0.539 0.162 ( 0.485) 0.377
181 15.08 0.80 0.517 0.161 ( 0.466) 0.356
182 15.17 0.80 0.517 0.160 ( 0.466) 0.357
183 15.25 0.80 0.517 0.160 ( 0.466) 0.358
184 15.33 0.77 0.496 0.159 ( 0.446) 0.337
185 15.42 0.77 0.496 0.158 ( 0.446) 0.338
186 15.50 0.77 0.496 0.157 ( 0.446) 0.339
187 15.58 0.63 0.410 0.156 ( 0.369) 0.253
188 15.67 0.63 0.410 0.156 ( 0.369) 0.254
189 15.75 0.63 0.410 0.155 ( 0.369) 0.255
190 15.83 0.63 0.410 0.154 ( 0.369) 0.256
191 15.92 0.63 0.410 0.153 ( 0.369) 0.256
192 16.00 0.63 0.410 0.152 ( 0.369) 0.257
193 16.08 0.13 0.086 ( 0.152) 0.078 0.009
194 16.17 0.13 0.086 ( 0.151) 0.078 0.009
Item Number: 1.
195 16.25 0.13 0.086 ( 0.150) 0.078 0.009
196 16.33 0.13 0.086 ( 0.149) 0.078 0.009
197 16.42 0.13 0.086 ( 0.149) 0.078 0.009
198 16.50 0.13 0.086 ( 0.148) 0.078 0.009
199 16.58 0.10 0.065 ( 0.147) 0.058 0.006
200 16.67 0.10 0.065 ( 0.146) 0.058 0.006
201 16.75 0.10 0.065 ( 0.146) 0.058 0.006
202 16.83 0.10 0.065 ( 0.145) 0.058 0.006
203 16.92 0.10 0.065 ( 0.144) 0.058 0.006
204 17.00 0.10 0.065 ( 0.143) 0.058 0.006
205 17.08 0.17 0.108 ( 0.143) 0.097 0.011
206 17.17 0.17 0.108 ( 0.142) 0.097 0.011
207 17.25 0.17 0.108 ( 0.141) 0.097 0.011
208 17.33 0.17 0.108 ( 0.140) 0.097 0.011
209 17.42 0.17 0.108 ( 0.140) 0.097 0.011
210 17.50 0.17 0.108 ( 0.139) 0.097 0.011
211 17.58 0.17 0.108 ( 0.138) 0.097 0.011
212 17.67 0.17 0.108 ( 0.138) 0.097 0.011
213 17.75 0.17 0.108 ( 0.137) 0.097 0.011
214 17.83 0.13 0.086 ( 0.136) 0.078 0.009
215 17.92 0.13 0.086 ( 0.136) 0.078 0.009
216 18.00 0.13 0.086 ( 0.135) 0.078 0.009
217 18.08 0.13 0.086 ( 0.134) 0.078 0.009
218 18.17 0.13 0.086 ( 0.134) 0.078 0.009
219 18.25 0.13 0.086 ( 0.133) 0.078 0.009
220 18.33 0.13 0.086 ( 0.132) 0.078 0.009
221 18.42 0.13 0.086 ( 0.132) 0.078 0.009
222 18.50 0.13 0.086 ( 0.131) 0.078 0.009
223 18.58 0.10 0.065 ( 0.130) 0.058 0.006
224 18.67 0.10 0.065 ( 0.130) 0.058 0.006
225 18.75 0.10 0.065 ( 0.129) 0.058 0.006
226 18.83 0.07 0.043 ( 0.129) 0.039 0.004
227 18.92 0.07 0.043 ( 0.128) 0.039 0.004
228 19.00 0.07 0.043 ( 0.127) 0.039 0.004
229 19.08 0.10 0.065 ( 0.127) 0.058 0.006
230 19.17 0.10 0.065 ( 0.126) 0.058 0.006
231 19.25 0.10 0.065 ( 0.126) 0.058 0.006
232 19.33 0.13 0.086 ( 0.125) 0.078 0.009
233 19.42 0.13 0.086 ( 0.124) 0.078 0.009
234 19.50 0.13 0.086 ( 0.124) 0.078 0.009
235 19.58 0.10 0.065 ( 0.123) 0.058 0.006
236 19.67 0.10 0.065 ( 0.123) 0.058 0.006
237 19.75 0.10 0.065 ( 0.122) 0.058 0.006
238 19.83 0.07 0.043 ( 0.122) 0.039 0.004
239 19.92 0.07 0.043 ( 0.121) 0.039 0.004
240 20.00 0.07 0.043 ( 0.121) 0.039 0.004
241 20.08 0.10 0.065 ( 0.120) 0.058 0.006
242 20.17 0.10 0.065 ( 0.119) 0.058 0.006
243 20.25 0.10 0.065 ( 0.119) 0.058 0.006
244 20.33 0.10 0.065 ( 0.118) 0.058 0.006
Item Number: 1.
245 20.42 0.10 0.065 ( 0.118) 0.058 0.006
246 20.50 0.10 0.065 ( 0.117) 0.058 0.006
247 20.58 0.10 0.065 ( 0.117) 0.058 0.006
248 20.67 0.10 0.065 ( 0.116) 0.058 0.006
249 20.75 0.10 0.065 ( 0.116) 0.058 0.006
250 20.83 0.07 0.043 ( 0.115) 0.039 0.004
251 20.92 0.07 0.043 ( 0.115) 0.039 0.004
252 21.00 0.07 0.043 ( 0.115) 0.039 0.004
253 21.08 0.10 0.065 ( 0.114) 0.058 0.006
254 21.17 0.10 0.065 ( 0.114) 0.058 0.006
255 21.25 0.10 0.065 ( 0.113) 0.058 0.006
256 21.33 0.07 0.043 ( 0.113) 0.039 0.004
257 21.42 0.07 0.043 ( 0.112) 0.039 0.004
258 21.50 0.07 0.043 ( 0.112) 0.039 0.004
259 21.58 0.10 0.065 ( 0.112) 0.058 0.006
260 21.67 0.10 0.065 ( 0.111) 0.058 0.006
261 21.75 0.10 0.065 ( 0.111) 0.058 0.006
262 21.83 0.07 0.043 ( 0.110) 0.039 0.004
263 21.92 0.07 0.043 ( 0.110) 0.039 0.004
264 22.00 0.07 0.043 ( 0.110) 0.039 0.004
265 22.08 0.10 0.065 ( 0.109) 0.058 0.006
266 22.17 0.10 0.065 ( 0.109) 0.058 0.006
267 22.25 0.10 0.065 ( 0.109) 0.058 0.006
268 22.33 0.07 0.043 ( 0.108) 0.039 0.004
269 22.42 0.07 0.043 ( 0.108) 0.039 0.004
270 22.50 0.07 0.043 ( 0.108) 0.039 0.004
271 22.58 0.07 0.043 ( 0.107) 0.039 0.004
272 22.67 0.07 0.043 ( 0.107) 0.039 0.004
273 22.75 0.07 0.043 ( 0.107) 0.039 0.004
274 22.83 0.07 0.043 ( 0.106) 0.039 0.004
275 22.92 0.07 0.043 ( 0.106) 0.039 0.004
276 23.00 0.07 0.043 ( 0.106) 0.039 0.004
277 23.08 0.07 0.043 ( 0.106) 0.039 0.004
278 23.17 0.07 0.043 ( 0.105) 0.039 0.004
279 23.25 0.07 0.043 ( 0.105) 0.039 0.004
280 23.33 0.07 0.043 ( 0.105) 0.039 0.004
281 23.42 0.07 0.043 ( 0.105) 0.039 0.004
282 23.50 0.07 0.043 ( 0.105) 0.039 0.004
283 23.58 0.07 0.043 ( 0.104) 0.039 0.004
284 23.67 0.07 0.043 ( 0.104) 0.039 0.004
285 23.75 0.07 0.043 ( 0.104) 0.039 0.004
286 23.83 0.07 0.043 ( 0.104) 0.039 0.004
287 23.92 0.07 0.043 ( 0.104) 0.039 0.004
288 24.00 0.07 0.043 ( 0.104) 0.039 0.004
(Loss Rate Not Used)
Sum = 100.0 Sum = 28.4
Flood volume = Effective rainfall 2.37(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.8(Ac.Ft)
Total soil loss = 3.02(In)
Total soil loss = 1.003(Ac.Ft)
Item Number: 1.
Total rainfall = 5.39(In)
Flood volume = 34184.3 Cubic Feet
Total soil loss = 43686.6 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 2.225(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 24 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0000 0.01 Q | | | |
0+10 0.0001 0.01 Q | | | |
0+15 0.0003 0.02 Q | | | |
0+20 0.0004 0.02 Q | | | |
0+25 0.0006 0.02 Q | | | |
0+30 0.0007 0.03 Q | | | |
0+35 0.0009 0.03 Q | | | |
0+40 0.0011 0.03 Q | | | |
0+45 0.0013 0.03 Q | | | |
0+50 0.0015 0.03 Q | | | |
0+55 0.0017 0.03 Q | | | |
1+ 0 0.0019 0.03 Q | | | |
1+ 5 0.0022 0.03 Q | | | |
1+10 0.0023 0.03 Q | | | |
1+15 0.0025 0.03 Q | | | |
1+20 0.0027 0.03 Q | | | |
1+25 0.0029 0.03 Q | | | |
1+30 0.0031 0.03 Q | | | |
1+35 0.0032 0.03 Q | | | |
1+40 0.0034 0.03 Q | | | |
1+45 0.0036 0.03 Q | | | |
1+50 0.0038 0.03 Q | | | |
1+55 0.0040 0.03 Q | | | |
2+ 0 0.0043 0.03 Q | | | |
2+ 5 0.0045 0.03 Q | | | |
2+10 0.0047 0.03 Q | | | |
2+15 0.0050 0.03 Q | | | |
2+20 0.0052 0.03 Q | | | |
2+25 0.0055 0.03 Q | | | |
2+30 0.0057 0.03 Q | | | |
2+35 0.0060 0.04 Q | | | |
2+40 0.0062 0.04 Q | | | |
2+45 0.0065 0.04 Q | | | |
2+50 0.0068 0.04 Q | | | |
2+55 0.0071 0.04 Q | | | |
Item Number: 1.
3+ 0 0.0074 0.04 Q | | | |
3+ 5 0.0077 0.04 Q | | | |
3+10 0.0080 0.04 Q | | | |
3+15 0.0083 0.04 Q | | | |
3+20 0.0086 0.04 Q | | | |
3+25 0.0089 0.04 Q | | | |
3+30 0.0092 0.04 Q | | | |
3+35 0.0095 0.04 Q | | | |
3+40 0.0098 0.04 Q | | | |
3+45 0.0101 0.04 Q | | | |
3+50 0.0104 0.05 Q | | | |
3+55 0.0108 0.05 Q | | | |
4+ 0 0.0111 0.05 Q | | | |
4+ 5 0.0115 0.05 Q | | | |
4+10 0.0119 0.05 Q | | | |
4+15 0.0122 0.05 Q | | | |
4+20 0.0126 0.06 Q | | | |
4+25 0.0130 0.06 Q | | | |
4+30 0.0134 0.06 Q | | | |
4+35 0.0138 0.06 Q | | | |
4+40 0.0143 0.06 Q | | | |
4+45 0.0147 0.06 Q | | | |
4+50 0.0151 0.06 Q | | | |
4+55 0.0156 0.07 Q | | | |
5+ 0 0.0160 0.07 Q | | | |
5+ 5 0.0165 0.06 Q | | | |
5+10 0.0169 0.05 Q | | | |
5+15 0.0172 0.05 Q | | | |
5+20 0.0176 0.06 Q | | | |
5+25 0.0180 0.06 Q | | | |
5+30 0.0184 0.06 Q | | | |
5+35 0.0189 0.06 Q | | | |
5+40 0.0193 0.07 Q | | | |
5+45 0.0198 0.07 QV | | | |
5+50 0.0203 0.07 QV | | | |
5+55 0.0208 0.07 QV | | | |
6+ 0 0.0212 0.07 QV | | | |
6+ 5 0.0217 0.07 QV | | | |
6+10 0.0223 0.08 QV | | | |
6+15 0.0228 0.08 QV | | | |
6+20 0.0233 0.08 QV | | | |
6+25 0.0239 0.08 QV | | | |
6+30 0.0244 0.08 QV | | | |
6+35 0.0250 0.08 QV | | | |
6+40 0.0255 0.09 QV | | | |
6+45 0.0261 0.09 QV | | | |
6+50 0.0267 0.09 QV | | | |
6+55 0.0273 0.09 QV | | | |
7+ 0 0.0279 0.09 QV | | | |
7+ 5 0.0285 0.09 QV | | | |
Item Number: 1.
7+10 0.0291 0.09 QV | | | |
7+15 0.0297 0.09 QV | | | |
7+20 0.0303 0.09 QV | | | |
7+25 0.0310 0.09 QV | | | |
7+30 0.0316 0.09 QV | | | |
7+35 0.0323 0.10 QV | | | |
7+40 0.0330 0.10 QV | | | |
7+45 0.0337 0.10 QV | | | |
7+50 0.0345 0.11 QV | | | |
7+55 0.0354 0.13 QV | | | |
8+ 0 0.0363 0.13 QV | | | |
8+ 5 0.0377 0.20 QV | | | |
8+10 0.0397 0.29 |QV | | | |
8+15 0.0419 0.31 |QV | | | |
8+20 0.0441 0.32 |QV | | | |
8+25 0.0464 0.33 |QV | | | |
8+30 0.0487 0.34 |QV | | | |
8+35 0.0513 0.37 |QV | | | |
8+40 0.0542 0.42 |QV | | | |
8+45 0.0571 0.43 |QV | | | |
8+50 0.0604 0.47 |Q V | | | |
8+55 0.0640 0.52 | QV | | | |
9+ 0 0.0676 0.53 | QV | | | |
9+ 5 0.0718 0.60 | QV | | | |
9+10 0.0765 0.69 | QV | | | |
9+15 0.0815 0.71 | Q V | | | |
9+20 0.0867 0.76 | QV | | | |
9+25 0.0922 0.80 | QV | | | |
9+30 0.0978 0.82 | QV | | | |
9+35 0.1037 0.86 | Q V | | | |
9+40 0.1100 0.90 | Q V | | | |
9+45 0.1163 0.92 | Q V | | | |
9+50 0.1229 0.96 | Q V | | | |
9+55 0.1298 1.00 | Q V | | | |
10+ 0 0.1368 1.02 | Q V | | | |
10+ 5 0.1422 0.79 | Q V | | | |
10+10 0.1458 0.51 | Q V | | | |
10+15 0.1489 0.46 |Q V | | | |
10+20 0.1520 0.44 |Q V | | | |
10+25 0.1550 0.44 |Q V | | | |
10+30 0.1580 0.44 |Q V | | | |
10+35 0.1622 0.61 | Q V | | | |
10+40 0.1678 0.82 | Q V | | | |
10+45 0.1738 0.86 | Q V | | | |
10+50 0.1798 0.88 | Q V| | | |
10+55 0.1860 0.89 | Q V| | | |
11+ 0 0.1922 0.90 | Q V| | | |
11+ 5 0.1982 0.87 | Q V | | |
11+10 0.2039 0.83 | Q V | | |
11+15 0.2096 0.83 | Q V | | |
Item Number: 1.
11+20 0.2153 0.83 | Q V | | |
11+25 0.2210 0.83 | Q |V | | |
11+30 0.2268 0.84 | Q |V | | |
11+35 0.2321 0.77 | Q |V | | |
11+40 0.2369 0.70 | Q | V | | |
11+45 0.2416 0.68 | Q | V | | |
11+50 0.2465 0.71 | Q | V | | |
11+55 0.2517 0.76 | Q | V | | |
12+ 0 0.2570 0.77 | Q | V | | |
12+ 5 0.2639 1.00 | Q | V | | |
12+10 0.2729 1.30 | Q | V | | |
12+15 0.2822 1.36 | Q | V | | |
12+20 0.2920 1.42 | Q | V | | |
12+25 0.3021 1.47 | Q | V | | |
12+30 0.3124 1.48 | Q | V | | |
12+35 0.3231 1.56 | Q | V | | |
12+40 0.3344 1.64 | Q | V | | |
12+45 0.3459 1.66 | Q | V | | |
12+50 0.3576 1.71 | Q | V | | |
12+55 0.3697 1.75 | Q | V | | |
13+ 0 0.3819 1.77 | Q | V| | |
13+ 5 0.3952 1.94 | Q | V | |
13+10 0.4100 2.15 | Q | V | |
13+15 0.4251 2.19 | Q | |V | |
13+20 0.4403 2.21 | Q | | V | |
13+25 0.4556 2.22 | Q | | V | |
13+30 0.4709 2.23 | Q | | V | |
13+35 0.4838 1.87 | Q | | V | |
13+40 0.4936 1.42 | Q | | V | |
13+45 0.5028 1.33 | Q | | V | |
13+50 0.5117 1.30 | Q | | V | |
13+55 0.5206 1.29 | Q | | V | |
14+ 0 0.5296 1.30 | Q | | V | |
14+ 5 0.5394 1.43 | Q | | V | |
14+10 0.5504 1.60 | Q | | V | |
14+15 0.5617 1.64 | Q | | V | |
14+20 0.5728 1.62 | Q | | V| |
14+25 0.5837 1.59 | Q | | V| |
14+30 0.5946 1.58 | Q | | V |
14+35 0.6055 1.58 | Q | | V |
14+40 0.6164 1.58 | Q | | |V |
14+45 0.6273 1.59 | Q | | |V |
14+50 0.6380 1.56 | Q | | | V |
14+55 0.6485 1.52 | Q | | | V |
15+ 0 0.6589 1.51 | Q | | | V |
15+ 5 0.6691 1.48 | Q | | | V |
15+10 0.6791 1.44 | Q | | | V |
15+15 0.6890 1.44 | Q | | | V |
15+20 0.6987 1.41 | Q | | | V |
15+25 0.7081 1.37 | Q | | | V |
Item Number: 1.
15+30 0.7174 1.36 | Q | | | V |
15+35 0.7259 1.23 | Q | | | V |
15+40 0.7333 1.07 | Q | | | V |
15+45 0.7404 1.04 | Q | | | V |
15+50 0.7475 1.03 | Q | | | V |
15+55 0.7546 1.03 | Q | | | V |
16+ 0 0.7617 1.03 | Q | | | V |
16+ 5 0.7662 0.65 | Q | | | V|
16+10 0.7674 0.18 Q | | | V|
16+15 0.7680 0.08 Q | | | V|
16+20 0.7684 0.05 Q | | | V|
16+25 0.7686 0.03 Q | | | V|
16+30 0.7688 0.03 Q | | | V|
16+35 0.7690 0.03 Q | | | V|
16+40 0.7692 0.03 Q | | | V|
16+45 0.7694 0.03 Q | | | V|
16+50 0.7696 0.03 Q | | | V|
16+55 0.7698 0.03 Q | | | V|
17+ 0 0.7700 0.03 Q | | | V|
17+ 5 0.7702 0.03 Q | | | V|
17+10 0.7705 0.04 Q | | | V|
17+15 0.7708 0.04 Q | | | V|
17+20 0.7710 0.04 Q | | | V|
17+25 0.7713 0.04 Q | | | V|
17+30 0.7716 0.04 Q | | | V|
17+35 0.7719 0.04 Q | | | V|
17+40 0.7722 0.04 Q | | | V|
17+45 0.7725 0.04 Q | | | V|
17+50 0.7728 0.04 Q | | | V|
17+55 0.7731 0.04 Q | | | V|
18+ 0 0.7733 0.04 Q | | | V|
18+ 5 0.7735 0.03 Q | | | V|
18+10 0.7738 0.03 Q | | | V|
18+15 0.7740 0.03 Q | | | V|
18+20 0.7743 0.03 Q | | | V|
18+25 0.7745 0.03 Q | | | V|
18+30 0.7747 0.03 Q | | | V|
18+35 0.7749 0.03 Q | | | V|
18+40 0.7751 0.03 Q | | | V|
18+45 0.7753 0.03 Q | | | V|
18+50 0.7755 0.02 Q | | | V|
18+55 0.7756 0.02 Q | | | V|
19+ 0 0.7757 0.02 Q | | | V|
19+ 5 0.7759 0.02 Q | | | V|
19+10 0.7760 0.02 Q | | | V|
19+15 0.7762 0.03 Q | | | V|
19+20 0.7764 0.03 Q | | | V|
19+25 0.7766 0.03 Q | | | V|
19+30 0.7769 0.03 Q | | | V|
19+35 0.7771 0.03 Q | | | V|
Item Number: 1.
19+40 0.7773 0.03 Q | | | V|
19+45 0.7775 0.03 Q | | | V|
19+50 0.7776 0.02 Q | | | V|
19+55 0.7777 0.02 Q | | | V|
20+ 0 0.7779 0.02 Q | | | V|
20+ 5 0.7780 0.02 Q | | | V|
20+10 0.7782 0.02 Q | | | V|
20+15 0.7784 0.03 Q | | | V|
20+20 0.7785 0.03 Q | | | V|
20+25 0.7787 0.03 Q | | | V|
20+30 0.7789 0.03 Q | | | V|
20+35 0.7791 0.03 Q | | | V|
20+40 0.7793 0.03 Q | | | V|
20+45 0.7794 0.03 Q | | | V|
20+50 0.7796 0.02 Q | | | V|
20+55 0.7797 0.02 Q | | | V|
21+ 0 0.7798 0.02 Q | | | V|
21+ 5 0.7800 0.02 Q | | | V|
21+10 0.7801 0.02 Q | | | V|
21+15 0.7803 0.03 Q | | | V|
21+20 0.7805 0.02 Q | | | V|
21+25 0.7806 0.02 Q | | | V|
21+30 0.7807 0.02 Q | | | V|
21+35 0.7809 0.02 Q | | | V|
21+40 0.7810 0.02 Q | | | V|
21+45 0.7812 0.03 Q | | | V|
21+50 0.7814 0.02 Q | | | V|
21+55 0.7815 0.02 Q | | | V|
22+ 0 0.7816 0.02 Q | | | V|
22+ 5 0.7818 0.02 Q | | | V|
22+10 0.7819 0.02 Q | | | V|
22+15 0.7821 0.03 Q | | | V|
22+20 0.7823 0.02 Q | | | V|
22+25 0.7824 0.02 Q | | | V|
22+30 0.7825 0.02 Q | | | V|
22+35 0.7826 0.02 Q | | | V|
22+40 0.7828 0.02 Q | | | V|
22+45 0.7829 0.02 Q | | | V|
22+50 0.7830 0.02 Q | | | V|
22+55 0.7831 0.02 Q | | | V|
23+ 0 0.7832 0.02 Q | | | V|
23+ 5 0.7834 0.02 Q | | | V|
23+10 0.7835 0.02 Q | | | V|
23+15 0.7836 0.02 Q | | | V|
23+20 0.7837 0.02 Q | | | V|
23+25 0.7838 0.02 Q | | | V|
23+30 0.7839 0.02 Q | | | V|
23+35 0.7841 0.02 Q | | | V|
23+40 0.7842 0.02 Q | | | V|
23+45 0.7843 0.02 Q | | | V|
Item Number: 1.
23+50 0.7844 0.02 Q | | | V|
23+55 0.7845 0.02 Q | | | V|
24+ 0 0.7847 0.02 Q | | | V|
24+ 5 0.7847 0.01 Q | | | V|
24+10 0.7848 0.00 Q | | | V|
24+15 0.7848 0.00 Q | | | V|
24+20 0.7848 0.00 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh12.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
2 yr
1 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 1 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.47 1.87
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.67 6.65
STORM EVENT (YEAR) = 2.00
Area Averaged 2-Year Rainfall = 0.471(In)
Area Averaged 100-Year Rainfall = 1.670(In)
Point rain (area averaged) = 0.471(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 0.471(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- Slope of intensity-duration curve for a 1 hour storm =0.5800 ---------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 3.60 0.203 ( 0.165) 0.037 0.167
2 0.17 4.20 0.237 ( 0.165) 0.043 0.195
3 0.25 4.40 0.249 ( 0.165) 0.045 0.204
4 0.33 4.60 0.260 ( 0.165) 0.047 0.213
5 0.42 5.00 0.283 ( 0.165) 0.051 0.232
6 0.50 5.60 0.317 ( 0.165) 0.057 0.260
7 0.58 6.40 0.362 ( 0.165) 0.065 0.297
8 0.67 8.10 0.458 ( 0.165) 0.082 0.375
9 0.75 13.10 0.740 ( 0.165) 0.133 0.607
10 0.83 34.50 1.950 0.165 ( 0.351) 1.784
11 0.92 6.70 0.379 ( 0.165) 0.068 0.311
12 1.00 3.80 0.215 ( 0.165) 0.039 0.176
(Loss Rate Not Used)
Sum = 100.0 Sum = 4.8
Flood volume = Effective rainfall 0.40(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.1(Ac.Ft)
Total soil loss = 0.07(In)
Total soil loss = 0.023(Ac.Ft)
Total rainfall = 0.47(In)
Flood volume = 5803.1 Cubic Feet
Total soil loss = 1001.4 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 5.219(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0027 0.40 VQ | | | |
0+10 0.0076 0.71 | Q | | | |
0+15 0.0131 0.80 | Q | | | |
0+20 0.0189 0.84 | Q V | | | |
0+25 0.0251 0.90 | Q V | | | |
0+30 0.0320 0.99 | Q V| | | |
0+35 0.0397 1.13 | Q |V | | |
0+40 0.0492 1.37 | Q | V | | |
0+45 0.0633 2.05 | Q | V| | |
0+50 0.0992 5.22 | | Q V| |
0+55 0.1230 3.46 | | Q | | V |
Item Number: 1.
1+ 0 0.1309 1.15 | Q | | | V|
1+ 5 0.1330 0.31 |Q | | | V|
1+10 0.1332 0.03 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh32.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
2 yr
3 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 3 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.76 3.02
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 2.50 9.95
STORM EVENT (YEAR) = 2.00
Area Averaged 2-Year Rainfall = 0.760(In)
Area Averaged 100-Year Rainfall = 2.500(In)
Point rain (area averaged) = 0.760(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 0.760(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 1.30 0.119 ( 0.165) 0.021 0.097
2 0.17 1.30 0.119 ( 0.165) 0.021 0.097
3 0.25 1.10 0.100 ( 0.165) 0.018 0.082
4 0.33 1.50 0.137 ( 0.165) 0.025 0.112
5 0.42 1.50 0.137 ( 0.165) 0.025 0.112
6 0.50 1.80 0.164 ( 0.165) 0.030 0.135
7 0.58 1.50 0.137 ( 0.165) 0.025 0.112
8 0.67 1.80 0.164 ( 0.165) 0.030 0.135
9 0.75 1.80 0.164 ( 0.165) 0.030 0.135
10 0.83 1.50 0.137 ( 0.165) 0.025 0.112
11 0.92 1.60 0.146 ( 0.165) 0.026 0.120
12 1.00 1.80 0.164 ( 0.165) 0.030 0.135
13 1.08 2.20 0.201 ( 0.165) 0.036 0.165
14 1.17 2.20 0.201 ( 0.165) 0.036 0.165
15 1.25 2.20 0.201 ( 0.165) 0.036 0.165
16 1.33 2.00 0.182 ( 0.165) 0.033 0.150
17 1.42 2.60 0.237 ( 0.165) 0.043 0.194
18 1.50 2.70 0.246 ( 0.165) 0.044 0.202
19 1.58 2.40 0.219 ( 0.165) 0.039 0.179
20 1.67 2.70 0.246 ( 0.165) 0.044 0.202
21 1.75 3.30 0.301 ( 0.165) 0.054 0.247
22 1.83 3.10 0.283 ( 0.165) 0.051 0.232
23 1.92 2.90 0.264 ( 0.165) 0.048 0.217
24 2.00 3.00 0.274 ( 0.165) 0.049 0.224
25 2.08 3.10 0.283 ( 0.165) 0.051 0.232
26 2.17 4.20 0.383 ( 0.165) 0.069 0.314
27 2.25 5.00 0.456 ( 0.165) 0.082 0.374
28 2.33 3.50 0.319 ( 0.165) 0.057 0.262
29 2.42 6.80 0.620 ( 0.165) 0.112 0.509
30 2.50 7.30 0.666 ( 0.165) 0.120 0.546
31 2.58 8.20 0.748 ( 0.165) 0.135 0.613
32 2.67 5.90 0.538 ( 0.165) 0.097 0.441
33 2.75 2.00 0.182 ( 0.165) 0.033 0.150
34 2.83 1.80 0.164 ( 0.165) 0.030 0.135
35 2.92 1.80 0.164 ( 0.165) 0.030 0.135
36 3.00 0.60 0.055 ( 0.165) 0.010 0.045
(Loss Rate Not Used)
Sum = 100.0 Sum = 7.5
Flood volume = Effective rainfall 0.62(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.2(Ac.Ft)
Total soil loss = 0.14(In)
Total soil loss = 0.045(Ac.Ft)
Total rainfall = 0.76(In)
Flood volume = 9003.5 Cubic Feet
Total soil loss = 1976.4 Cubic Feet
-------------------------------------------------------------------- Item Number: 1.
Peak flow rate of this hydrograph = 2.346(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0016 0.23 Q | | | |
0+10 0.0042 0.38 VQ | | | |
0+15 0.0066 0.35 |Q | | | |
0+20 0.0094 0.40 |Q | | | |
0+25 0.0125 0.45 |QV | | | |
0+30 0.0159 0.50 | QV | | | |
0+35 0.0193 0.48 |Q V | | | |
0+40 0.0228 0.51 | Q V | | | |
0+45 0.0265 0.54 | Q V | | | |
0+50 0.0298 0.49 |Q V | | | |
0+55 0.0331 0.47 |Q V | | | |
1+ 0 0.0366 0.51 | Q V | | | |
1+ 5 0.0408 0.61 | Q V | | | |
1+10 0.0453 0.66 | Q V | | | |
1+15 0.0499 0.66 | Q V| | | |
1+20 0.0542 0.62 | Q V | | |
1+25 0.0591 0.71 | Q |V | | |
1+30 0.0645 0.79 | Q | V | | |
1+35 0.0697 0.76 | Q | V | | |
1+40 0.0751 0.78 | Q | V | | |
1+45 0.0814 0.91 | Q | V | | |
1+50 0.0879 0.95 | Q | V | | |
1+55 0.0941 0.90 | Q | V | | |
2+ 0 0.1002 0.89 | Q | V| | |
2+ 5 0.1065 0.92 | Q | V | |
2+10 0.1143 1.13 | Q | | V | |
2+15 0.1239 1.39 | Q | | V | |
2+20 0.1323 1.22 | Q | | V | |
2+25 0.1437 1.66 | Q | | V | |
2+30 0.1581 2.09 | Q | | V |
2+35 0.1743 2.35 | Q| | | V |
2+40 0.1883 2.04 | Q | | | V |
2+45 0.1959 1.10 | Q | | | V |
2+50 0.2001 0.61 | Q | | | V |
2+55 0.2038 0.54 | Q | | | V|
3+ 0 0.2060 0.33 |Q | | | V|
3+ 5 0.2066 0.09 Q | | | V|
3+10 0.2067 0.01 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh62.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
2 yr
6 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 6 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.99 3.95
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 3.25 12.94
STORM EVENT (YEAR) = 2.00
Area Averaged 2-Year Rainfall = 0.993(In)
Area Averaged 100-Year Rainfall = 3.250(In)
Point rain (area averaged) = 0.993(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 0.993(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.50 0.060 ( 0.165) 0.011 0.049
2 0.17 0.60 0.071 ( 0.165) 0.013 0.059
3 0.25 0.60 0.071 ( 0.165) 0.013 0.059
4 0.33 0.60 0.071 ( 0.165) 0.013 0.059
5 0.42 0.60 0.071 ( 0.165) 0.013 0.059
6 0.50 0.70 0.083 ( 0.165) 0.015 0.068
7 0.58 0.70 0.083 ( 0.165) 0.015 0.068
8 0.67 0.70 0.083 ( 0.165) 0.015 0.068
9 0.75 0.70 0.083 ( 0.165) 0.015 0.068
10 0.83 0.70 0.083 ( 0.165) 0.015 0.068
11 0.92 0.70 0.083 ( 0.165) 0.015 0.068
12 1.00 0.80 0.095 ( 0.165) 0.017 0.078
13 1.08 0.80 0.095 ( 0.165) 0.017 0.078
14 1.17 0.80 0.095 ( 0.165) 0.017 0.078
15 1.25 0.80 0.095 ( 0.165) 0.017 0.078
16 1.33 0.80 0.095 ( 0.165) 0.017 0.078
17 1.42 0.80 0.095 ( 0.165) 0.017 0.078
18 1.50 0.80 0.095 ( 0.165) 0.017 0.078
19 1.58 0.80 0.095 ( 0.165) 0.017 0.078
20 1.67 0.80 0.095 ( 0.165) 0.017 0.078
21 1.75 0.80 0.095 ( 0.165) 0.017 0.078
22 1.83 0.80 0.095 ( 0.165) 0.017 0.078
23 1.92 0.80 0.095 ( 0.165) 0.017 0.078
24 2.00 0.90 0.107 ( 0.165) 0.019 0.088
25 2.08 0.80 0.095 ( 0.165) 0.017 0.078
26 2.17 0.90 0.107 ( 0.165) 0.019 0.088
27 2.25 0.90 0.107 ( 0.165) 0.019 0.088
28 2.33 0.90 0.107 ( 0.165) 0.019 0.088
29 2.42 0.90 0.107 ( 0.165) 0.019 0.088
30 2.50 0.90 0.107 ( 0.165) 0.019 0.088
31 2.58 0.90 0.107 ( 0.165) 0.019 0.088
32 2.67 0.90 0.107 ( 0.165) 0.019 0.088
33 2.75 1.00 0.119 ( 0.165) 0.021 0.098
34 2.83 1.00 0.119 ( 0.165) 0.021 0.098
35 2.92 1.00 0.119 ( 0.165) 0.021 0.098
36 3.00 1.00 0.119 ( 0.165) 0.021 0.098
37 3.08 1.00 0.119 ( 0.165) 0.021 0.098
38 3.17 1.10 0.131 ( 0.165) 0.024 0.107
39 3.25 1.10 0.131 ( 0.165) 0.024 0.107
40 3.33 1.10 0.131 ( 0.165) 0.024 0.107
41 3.42 1.20 0.143 ( 0.165) 0.026 0.117
42 3.50 1.30 0.155 ( 0.165) 0.028 0.127
43 3.58 1.40 0.167 ( 0.165) 0.030 0.137
44 3.67 1.40 0.167 ( 0.165) 0.030 0.137
45 3.75 1.50 0.179 ( 0.165) 0.032 0.147
46 3.83 1.50 0.179 ( 0.165) 0.032 0.147
Item Number: 1.
47 3.92 1.60 0.191 ( 0.165) 0.034 0.156
48 4.00 1.60 0.191 ( 0.165) 0.034 0.156
49 4.08 1.70 0.203 ( 0.165) 0.036 0.166
50 4.17 1.80 0.214 ( 0.165) 0.039 0.176
51 4.25 1.90 0.226 ( 0.165) 0.041 0.186
52 4.33 2.00 0.238 ( 0.165) 0.043 0.195
53 4.42 2.10 0.250 ( 0.165) 0.045 0.205
54 4.50 2.10 0.250 ( 0.165) 0.045 0.205
55 4.58 2.20 0.262 ( 0.165) 0.047 0.215
56 4.67 2.30 0.274 ( 0.165) 0.049 0.225
57 4.75 2.40 0.286 ( 0.165) 0.051 0.235
58 4.83 2.40 0.286 ( 0.165) 0.051 0.235
59 4.92 2.50 0.298 ( 0.165) 0.054 0.244
60 5.00 2.60 0.310 ( 0.165) 0.056 0.254
61 5.08 3.10 0.369 ( 0.165) 0.066 0.303
62 5.17 3.60 0.429 ( 0.165) 0.077 0.352
63 5.25 3.90 0.465 ( 0.165) 0.084 0.381
64 5.33 4.20 0.500 ( 0.165) 0.090 0.410
65 5.42 4.70 0.560 ( 0.165) 0.101 0.459
66 5.50 5.60 0.667 ( 0.165) 0.120 0.547
67 5.58 1.90 0.226 ( 0.165) 0.041 0.186
68 5.67 0.90 0.107 ( 0.165) 0.019 0.088
69 5.75 0.60 0.071 ( 0.165) 0.013 0.059
70 5.83 0.50 0.060 ( 0.165) 0.011 0.049
71 5.92 0.30 0.036 ( 0.165) 0.006 0.029
72 6.00 0.20 0.024 ( 0.165) 0.004 0.020
(Loss Rate Not Used)
Sum = 100.0 Sum = 9.8
Flood volume = Effective rainfall 0.81(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.3(Ac.Ft)
Total soil loss = 0.18(In)
Total soil loss = 0.059(Ac.Ft)
Total rainfall = 0.99(In)
Flood volume = 11763.8 Cubic Feet
Total soil loss = 2582.3 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 2.046(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0008 0.12 Q | | | |
0+10 0.0023 0.21 Q | | | |
0+15 0.0039 0.23 Q | | | |
Item Number: 1.
0+20 0.0055 0.24 Q | | | |
0+25 0.0071 0.24 QV | | | |
0+30 0.0089 0.26 |Q | | | |
0+35 0.0108 0.27 |Q | | | |
0+40 0.0127 0.27 |Q | | | |
0+45 0.0146 0.27 |QV | | | |
0+50 0.0164 0.27 |QV | | | |
0+55 0.0183 0.27 |QV | | | |
1+ 0 0.0204 0.30 |Q V | | | |
1+ 5 0.0225 0.31 |Q V | | | |
1+10 0.0247 0.31 |Q V | | | |
1+15 0.0269 0.31 |Q V | | | |
1+20 0.0290 0.31 |Q V | | | |
1+25 0.0312 0.31 |Q V | | | |
1+30 0.0333 0.31 |Q V | | | |
1+35 0.0355 0.31 |Q V | | | |
1+40 0.0377 0.31 |Q V | | | |
1+45 0.0398 0.31 |Q V | | | |
1+50 0.0420 0.31 |Q V | | | |
1+55 0.0441 0.31 |Q V | | | |
2+ 0 0.0465 0.34 |Q V | | | |
2+ 5 0.0487 0.33 |Q V | | | |
2+10 0.0511 0.34 |Q V | | | |
2+15 0.0535 0.35 |Q V | | | |
2+20 0.0559 0.35 |Q V | | | |
2+25 0.0583 0.35 |Q V | | | |
2+30 0.0608 0.35 |Q V| | | |
2+35 0.0632 0.35 |Q V| | | |
2+40 0.0656 0.35 |Q V| | | |
2+45 0.0682 0.38 |Q V | | |
2+50 0.0709 0.39 |Q V | | |
2+55 0.0736 0.39 |Q V | | |
3+ 0 0.0763 0.39 |Q |V | | |
3+ 5 0.0790 0.39 |Q |V | | |
3+10 0.0819 0.42 |Q | V | | |
3+15 0.0848 0.43 |Q | V | | |
3+20 0.0878 0.43 |Q | V | | |
3+25 0.0909 0.45 |Q | V | | |
3+30 0.0943 0.49 |Q | V | | |
3+35 0.0980 0.53 | Q | V | | |
3+40 0.1018 0.55 | Q | V | | |
3+45 0.1057 0.57 | Q | V | | |
3+50 0.1097 0.59 | Q | V | | |
3+55 0.1140 0.61 | Q | V | | |
4+ 0 0.1183 0.63 | Q | V | | |
4+ 5 0.1228 0.65 | Q | V | | |
4+10 0.1275 0.69 | Q | V | | |
4+15 0.1325 0.73 | Q | V| | |
4+20 0.1378 0.77 | Q | V | |
4+25 0.1433 0.81 | Q | |V | |
Item Number: 1.
4+30 0.1490 0.82 | Q | | V | |
4+35 0.1548 0.85 | Q | | V | |
4+40 0.1609 0.88 | Q | | V | |
4+45 0.1673 0.92 | Q | | V | |
4+50 0.1738 0.94 | Q | | V | |
4+55 0.1804 0.96 | Q | | V | |
5+ 0 0.1873 1.00 | Q | | V | |
5+ 5 0.1951 1.13 | Q | | V | |
5+10 0.2042 1.33 | Q | | V |
5+15 0.2144 1.47 | Q | | |V |
5+20 0.2254 1.59 | Q | | | V |
5+25 0.2375 1.76 | Q | | | V |
5+30 0.2516 2.05 | Q | | | V |
5+35 0.2607 1.32 | Q | | | V |
5+40 0.2646 0.57 | Q | | | V|
5+45 0.2666 0.30 |Q | | | V|
5+50 0.2681 0.22 Q | | | V|
5+55 0.2691 0.15 Q | | | V|
6+ 0 0.2698 0.10 Q | | | V|
6+ 5 0.2700 0.03 Q | | | V|
6+10 0.2701 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh242.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
2 yr
24 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.51 6.01
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 5.39 21.45
STORM EVENT (YEAR) = 2.00
Area Averaged 2-Year Rainfall = 1.510(In)
Area Averaged 100-Year Rainfall = 5.390(In)
Point rain (area averaged) = 1.510(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.510(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.07 0.012 ( 0.293) 0.002 0.010
2 0.17 0.07 0.012 ( 0.292) 0.002 0.010
3 0.25 0.07 0.012 ( 0.291) 0.002 0.010
4 0.33 0.10 0.018 ( 0.290) 0.003 0.015
5 0.42 0.10 0.018 ( 0.289) 0.003 0.015
6 0.50 0.10 0.018 ( 0.288) 0.003 0.015
7 0.58 0.10 0.018 ( 0.286) 0.003 0.015
8 0.67 0.10 0.018 ( 0.285) 0.003 0.015
9 0.75 0.10 0.018 ( 0.284) 0.003 0.015
10 0.83 0.13 0.024 ( 0.283) 0.004 0.020
11 0.92 0.13 0.024 ( 0.282) 0.004 0.020
12 1.00 0.13 0.024 ( 0.281) 0.004 0.020
13 1.08 0.10 0.018 ( 0.280) 0.003 0.015
14 1.17 0.10 0.018 ( 0.279) 0.003 0.015
15 1.25 0.10 0.018 ( 0.277) 0.003 0.015
16 1.33 0.10 0.018 ( 0.276) 0.003 0.015
17 1.42 0.10 0.018 ( 0.275) 0.003 0.015
18 1.50 0.10 0.018 ( 0.274) 0.003 0.015
19 1.58 0.10 0.018 ( 0.273) 0.003 0.015
20 1.67 0.10 0.018 ( 0.272) 0.003 0.015
21 1.75 0.10 0.018 ( 0.271) 0.003 0.015
22 1.83 0.13 0.024 ( 0.270) 0.004 0.020
23 1.92 0.13 0.024 ( 0.269) 0.004 0.020
24 2.00 0.13 0.024 ( 0.268) 0.004 0.020
25 2.08 0.13 0.024 ( 0.267) 0.004 0.020
26 2.17 0.13 0.024 ( 0.265) 0.004 0.020
27 2.25 0.13 0.024 ( 0.264) 0.004 0.020
28 2.33 0.13 0.024 ( 0.263) 0.004 0.020
29 2.42 0.13 0.024 ( 0.262) 0.004 0.020
30 2.50 0.13 0.024 ( 0.261) 0.004 0.020
31 2.58 0.17 0.030 ( 0.260) 0.005 0.025
32 2.67 0.17 0.030 ( 0.259) 0.005 0.025
33 2.75 0.17 0.030 ( 0.258) 0.005 0.025
34 2.83 0.17 0.030 ( 0.257) 0.005 0.025
35 2.92 0.17 0.030 ( 0.256) 0.005 0.025
36 3.00 0.17 0.030 ( 0.255) 0.005 0.025
37 3.08 0.17 0.030 ( 0.254) 0.005 0.025
38 3.17 0.17 0.030 ( 0.253) 0.005 0.025
39 3.25 0.17 0.030 ( 0.252) 0.005 0.025
40 3.33 0.17 0.030 ( 0.251) 0.005 0.025
41 3.42 0.17 0.030 ( 0.250) 0.005 0.025
42 3.50 0.17 0.030 ( 0.249) 0.005 0.025
43 3.58 0.17 0.030 ( 0.247) 0.005 0.025
44 3.67 0.17 0.030 ( 0.246) 0.005 0.025
45 3.75 0.17 0.030 ( 0.245) 0.005 0.025
46 3.83 0.20 0.036 ( 0.244) 0.007 0.030
Item Number: 1.
47 3.92 0.20 0.036 ( 0.243) 0.007 0.030
48 4.00 0.20 0.036 ( 0.242) 0.007 0.030
49 4.08 0.20 0.036 ( 0.241) 0.007 0.030
50 4.17 0.20 0.036 ( 0.240) 0.007 0.030
51 4.25 0.20 0.036 ( 0.239) 0.007 0.030
52 4.33 0.23 0.042 ( 0.238) 0.008 0.035
53 4.42 0.23 0.042 ( 0.237) 0.008 0.035
54 4.50 0.23 0.042 ( 0.236) 0.008 0.035
55 4.58 0.23 0.042 ( 0.235) 0.008 0.035
56 4.67 0.23 0.042 ( 0.234) 0.008 0.035
57 4.75 0.23 0.042 ( 0.233) 0.008 0.035
58 4.83 0.27 0.048 ( 0.232) 0.009 0.040
59 4.92 0.27 0.048 ( 0.231) 0.009 0.040
60 5.00 0.27 0.048 ( 0.230) 0.009 0.040
61 5.08 0.20 0.036 ( 0.229) 0.007 0.030
62 5.17 0.20 0.036 ( 0.228) 0.007 0.030
63 5.25 0.20 0.036 ( 0.227) 0.007 0.030
64 5.33 0.23 0.042 ( 0.226) 0.008 0.035
65 5.42 0.23 0.042 ( 0.225) 0.008 0.035
66 5.50 0.23 0.042 ( 0.224) 0.008 0.035
67 5.58 0.27 0.048 ( 0.223) 0.009 0.040
68 5.67 0.27 0.048 ( 0.222) 0.009 0.040
69 5.75 0.27 0.048 ( 0.221) 0.009 0.040
70 5.83 0.27 0.048 ( 0.220) 0.009 0.040
71 5.92 0.27 0.048 ( 0.219) 0.009 0.040
72 6.00 0.27 0.048 ( 0.218) 0.009 0.040
73 6.08 0.30 0.054 ( 0.217) 0.010 0.045
74 6.17 0.30 0.054 ( 0.216) 0.010 0.045
75 6.25 0.30 0.054 ( 0.215) 0.010 0.045
76 6.33 0.30 0.054 ( 0.214) 0.010 0.045
77 6.42 0.30 0.054 ( 0.213) 0.010 0.045
78 6.50 0.30 0.054 ( 0.213) 0.010 0.045
79 6.58 0.33 0.060 ( 0.212) 0.011 0.050
80 6.67 0.33 0.060 ( 0.211) 0.011 0.050
81 6.75 0.33 0.060 ( 0.210) 0.011 0.050
82 6.83 0.33 0.060 ( 0.209) 0.011 0.050
83 6.92 0.33 0.060 ( 0.208) 0.011 0.050
84 7.00 0.33 0.060 ( 0.207) 0.011 0.050
85 7.08 0.33 0.060 ( 0.206) 0.011 0.050
86 7.17 0.33 0.060 ( 0.205) 0.011 0.050
87 7.25 0.33 0.060 ( 0.204) 0.011 0.050
88 7.33 0.37 0.066 ( 0.203) 0.012 0.054
89 7.42 0.37 0.066 ( 0.202) 0.012 0.054
90 7.50 0.37 0.066 ( 0.201) 0.012 0.054
91 7.58 0.40 0.072 ( 0.200) 0.013 0.059
92 7.67 0.40 0.072 ( 0.199) 0.013 0.059
93 7.75 0.40 0.072 ( 0.198) 0.013 0.059
94 7.83 0.43 0.079 ( 0.198) 0.014 0.064
95 7.92 0.43 0.079 ( 0.197) 0.014 0.064
96 8.00 0.43 0.079 ( 0.196) 0.014 0.064
Item Number: 1.
97 8.08 0.50 0.091 ( 0.195) 0.016 0.074
98 8.17 0.50 0.091 ( 0.194) 0.016 0.074
99 8.25 0.50 0.091 ( 0.193) 0.016 0.074
100 8.33 0.50 0.091 ( 0.192) 0.016 0.074
101 8.42 0.50 0.091 ( 0.191) 0.016 0.074
102 8.50 0.50 0.091 ( 0.190) 0.016 0.074
103 8.58 0.53 0.097 ( 0.189) 0.017 0.079
104 8.67 0.53 0.097 ( 0.189) 0.017 0.079
105 8.75 0.53 0.097 ( 0.188) 0.017 0.079
106 8.83 0.57 0.103 ( 0.187) 0.018 0.084
107 8.92 0.57 0.103 ( 0.186) 0.018 0.084
108 9.00 0.57 0.103 ( 0.185) 0.018 0.084
109 9.08 0.63 0.115 ( 0.184) 0.021 0.094
110 9.17 0.63 0.115 ( 0.183) 0.021 0.094
111 9.25 0.63 0.115 ( 0.182) 0.021 0.094
112 9.33 0.67 0.121 ( 0.181) 0.022 0.099
113 9.42 0.67 0.121 ( 0.181) 0.022 0.099
114 9.50 0.67 0.121 ( 0.180) 0.022 0.099
115 9.58 0.70 0.127 ( 0.179) 0.023 0.104
116 9.67 0.70 0.127 ( 0.178) 0.023 0.104
117 9.75 0.70 0.127 ( 0.177) 0.023 0.104
118 9.83 0.73 0.133 ( 0.176) 0.024 0.109
119 9.92 0.73 0.133 ( 0.175) 0.024 0.109
120 10.00 0.73 0.133 ( 0.175) 0.024 0.109
121 10.08 0.50 0.091 ( 0.174) 0.016 0.074
122 10.17 0.50 0.091 ( 0.173) 0.016 0.074
123 10.25 0.50 0.091 ( 0.172) 0.016 0.074
124 10.33 0.50 0.091 ( 0.171) 0.016 0.074
125 10.42 0.50 0.091 ( 0.170) 0.016 0.074
126 10.50 0.50 0.091 ( 0.170) 0.016 0.074
127 10.58 0.67 0.121 ( 0.169) 0.022 0.099
128 10.67 0.67 0.121 ( 0.168) 0.022 0.099
129 10.75 0.67 0.121 ( 0.167) 0.022 0.099
130 10.83 0.67 0.121 ( 0.166) 0.022 0.099
131 10.92 0.67 0.121 ( 0.166) 0.022 0.099
132 11.00 0.67 0.121 ( 0.165) 0.022 0.099
133 11.08 0.63 0.115 ( 0.164) 0.021 0.094
134 11.17 0.63 0.115 ( 0.163) 0.021 0.094
135 11.25 0.63 0.115 ( 0.162) 0.021 0.094
136 11.33 0.63 0.115 ( 0.161) 0.021 0.094
137 11.42 0.63 0.115 ( 0.161) 0.021 0.094
138 11.50 0.63 0.115 ( 0.160) 0.021 0.094
139 11.58 0.57 0.103 ( 0.159) 0.018 0.084
140 11.67 0.57 0.103 ( 0.158) 0.018 0.084
141 11.75 0.57 0.103 ( 0.157) 0.018 0.084
142 11.83 0.60 0.109 ( 0.157) 0.020 0.089
143 11.92 0.60 0.109 ( 0.156) 0.020 0.089
144 12.00 0.60 0.109 ( 0.155) 0.020 0.089
145 12.08 0.83 0.151 ( 0.154) 0.027 0.124
146 12.17 0.83 0.151 ( 0.154) 0.027 0.124
Item Number: 1.
147 12.25 0.83 0.151 ( 0.153) 0.027 0.124
148 12.33 0.87 0.157 ( 0.152) 0.028 0.129
149 12.42 0.87 0.157 ( 0.151) 0.028 0.129
150 12.50 0.87 0.157 ( 0.151) 0.028 0.129
151 12.58 0.93 0.169 ( 0.150) 0.030 0.139
152 12.67 0.93 0.169 ( 0.149) 0.030 0.139
153 12.75 0.93 0.169 ( 0.148) 0.030 0.139
154 12.83 0.97 0.175 ( 0.148) 0.032 0.144
155 12.92 0.97 0.175 ( 0.147) 0.032 0.144
156 13.00 0.97 0.175 ( 0.146) 0.032 0.144
157 13.08 1.13 0.205 ( 0.145) 0.037 0.168
158 13.17 1.13 0.205 ( 0.145) 0.037 0.168
159 13.25 1.13 0.205 ( 0.144) 0.037 0.168
160 13.33 1.13 0.205 ( 0.143) 0.037 0.168
161 13.42 1.13 0.205 ( 0.142) 0.037 0.168
162 13.50 1.13 0.205 ( 0.142) 0.037 0.168
163 13.58 0.77 0.139 ( 0.141) 0.025 0.114
164 13.67 0.77 0.139 ( 0.140) 0.025 0.114
165 13.75 0.77 0.139 ( 0.139) 0.025 0.114
166 13.83 0.77 0.139 ( 0.139) 0.025 0.114
167 13.92 0.77 0.139 ( 0.138) 0.025 0.114
168 14.00 0.77 0.139 ( 0.137) 0.025 0.114
169 14.08 0.90 0.163 ( 0.137) 0.029 0.134
170 14.17 0.90 0.163 ( 0.136) 0.029 0.134
171 14.25 0.90 0.163 ( 0.135) 0.029 0.134
172 14.33 0.87 0.157 ( 0.135) 0.028 0.129
173 14.42 0.87 0.157 ( 0.134) 0.028 0.129
174 14.50 0.87 0.157 ( 0.133) 0.028 0.129
175 14.58 0.87 0.157 ( 0.133) 0.028 0.129
176 14.67 0.87 0.157 ( 0.132) 0.028 0.129
177 14.75 0.87 0.157 ( 0.131) 0.028 0.129
178 14.83 0.83 0.151 ( 0.130) 0.027 0.124
179 14.92 0.83 0.151 ( 0.130) 0.027 0.124
180 15.00 0.83 0.151 ( 0.129) 0.027 0.124
181 15.08 0.80 0.145 ( 0.129) 0.026 0.119
182 15.17 0.80 0.145 ( 0.128) 0.026 0.119
183 15.25 0.80 0.145 ( 0.127) 0.026 0.119
184 15.33 0.77 0.139 ( 0.127) 0.025 0.114
185 15.42 0.77 0.139 ( 0.126) 0.025 0.114
186 15.50 0.77 0.139 ( 0.125) 0.025 0.114
187 15.58 0.63 0.115 ( 0.125) 0.021 0.094
188 15.67 0.63 0.115 ( 0.124) 0.021 0.094
189 15.75 0.63 0.115 ( 0.123) 0.021 0.094
190 15.83 0.63 0.115 ( 0.123) 0.021 0.094
191 15.92 0.63 0.115 ( 0.122) 0.021 0.094
192 16.00 0.63 0.115 ( 0.121) 0.021 0.094
193 16.08 0.13 0.024 ( 0.121) 0.004 0.020
194 16.17 0.13 0.024 ( 0.120) 0.004 0.020
195 16.25 0.13 0.024 ( 0.120) 0.004 0.020
196 16.33 0.13 0.024 ( 0.119) 0.004 0.020
Item Number: 1.
197 16.42 0.13 0.024 ( 0.118) 0.004 0.020
198 16.50 0.13 0.024 ( 0.118) 0.004 0.020
199 16.58 0.10 0.018 ( 0.117) 0.003 0.015
200 16.67 0.10 0.018 ( 0.117) 0.003 0.015
201 16.75 0.10 0.018 ( 0.116) 0.003 0.015
202 16.83 0.10 0.018 ( 0.115) 0.003 0.015
203 16.92 0.10 0.018 ( 0.115) 0.003 0.015
204 17.00 0.10 0.018 ( 0.114) 0.003 0.015
205 17.08 0.17 0.030 ( 0.114) 0.005 0.025
206 17.17 0.17 0.030 ( 0.113) 0.005 0.025
207 17.25 0.17 0.030 ( 0.113) 0.005 0.025
208 17.33 0.17 0.030 ( 0.112) 0.005 0.025
209 17.42 0.17 0.030 ( 0.111) 0.005 0.025
210 17.50 0.17 0.030 ( 0.111) 0.005 0.025
211 17.58 0.17 0.030 ( 0.110) 0.005 0.025
212 17.67 0.17 0.030 ( 0.110) 0.005 0.025
213 17.75 0.17 0.030 ( 0.109) 0.005 0.025
214 17.83 0.13 0.024 ( 0.109) 0.004 0.020
215 17.92 0.13 0.024 ( 0.108) 0.004 0.020
216 18.00 0.13 0.024 ( 0.108) 0.004 0.020
217 18.08 0.13 0.024 ( 0.107) 0.004 0.020
218 18.17 0.13 0.024 ( 0.107) 0.004 0.020
219 18.25 0.13 0.024 ( 0.106) 0.004 0.020
220 18.33 0.13 0.024 ( 0.105) 0.004 0.020
221 18.42 0.13 0.024 ( 0.105) 0.004 0.020
222 18.50 0.13 0.024 ( 0.104) 0.004 0.020
223 18.58 0.10 0.018 ( 0.104) 0.003 0.015
224 18.67 0.10 0.018 ( 0.103) 0.003 0.015
225 18.75 0.10 0.018 ( 0.103) 0.003 0.015
226 18.83 0.07 0.012 ( 0.102) 0.002 0.010
227 18.92 0.07 0.012 ( 0.102) 0.002 0.010
228 19.00 0.07 0.012 ( 0.101) 0.002 0.010
229 19.08 0.10 0.018 ( 0.101) 0.003 0.015
230 19.17 0.10 0.018 ( 0.101) 0.003 0.015
231 19.25 0.10 0.018 ( 0.100) 0.003 0.015
232 19.33 0.13 0.024 ( 0.100) 0.004 0.020
233 19.42 0.13 0.024 ( 0.099) 0.004 0.020
234 19.50 0.13 0.024 ( 0.099) 0.004 0.020
235 19.58 0.10 0.018 ( 0.098) 0.003 0.015
236 19.67 0.10 0.018 ( 0.098) 0.003 0.015
237 19.75 0.10 0.018 ( 0.097) 0.003 0.015
238 19.83 0.07 0.012 ( 0.097) 0.002 0.010
239 19.92 0.07 0.012 ( 0.096) 0.002 0.010
240 20.00 0.07 0.012 ( 0.096) 0.002 0.010
241 20.08 0.10 0.018 ( 0.096) 0.003 0.015
242 20.17 0.10 0.018 ( 0.095) 0.003 0.015
243 20.25 0.10 0.018 ( 0.095) 0.003 0.015
244 20.33 0.10 0.018 ( 0.094) 0.003 0.015
245 20.42 0.10 0.018 ( 0.094) 0.003 0.015
246 20.50 0.10 0.018 ( 0.094) 0.003 0.015
Item Number: 1.
247 20.58 0.10 0.018 ( 0.093) 0.003 0.015
248 20.67 0.10 0.018 ( 0.093) 0.003 0.015
249 20.75 0.10 0.018 ( 0.092) 0.003 0.015
250 20.83 0.07 0.012 ( 0.092) 0.002 0.010
251 20.92 0.07 0.012 ( 0.092) 0.002 0.010
252 21.00 0.07 0.012 ( 0.091) 0.002 0.010
253 21.08 0.10 0.018 ( 0.091) 0.003 0.015
254 21.17 0.10 0.018 ( 0.091) 0.003 0.015
255 21.25 0.10 0.018 ( 0.090) 0.003 0.015
256 21.33 0.07 0.012 ( 0.090) 0.002 0.010
257 21.42 0.07 0.012 ( 0.090) 0.002 0.010
258 21.50 0.07 0.012 ( 0.089) 0.002 0.010
259 21.58 0.10 0.018 ( 0.089) 0.003 0.015
260 21.67 0.10 0.018 ( 0.089) 0.003 0.015
261 21.75 0.10 0.018 ( 0.088) 0.003 0.015
262 21.83 0.07 0.012 ( 0.088) 0.002 0.010
263 21.92 0.07 0.012 ( 0.088) 0.002 0.010
264 22.00 0.07 0.012 ( 0.087) 0.002 0.010
265 22.08 0.10 0.018 ( 0.087) 0.003 0.015
266 22.17 0.10 0.018 ( 0.087) 0.003 0.015
267 22.25 0.10 0.018 ( 0.086) 0.003 0.015
268 22.33 0.07 0.012 ( 0.086) 0.002 0.010
269 22.42 0.07 0.012 ( 0.086) 0.002 0.010
270 22.50 0.07 0.012 ( 0.086) 0.002 0.010
271 22.58 0.07 0.012 ( 0.085) 0.002 0.010
272 22.67 0.07 0.012 ( 0.085) 0.002 0.010
273 22.75 0.07 0.012 ( 0.085) 0.002 0.010
274 22.83 0.07 0.012 ( 0.085) 0.002 0.010
275 22.92 0.07 0.012 ( 0.085) 0.002 0.010
276 23.00 0.07 0.012 ( 0.084) 0.002 0.010
277 23.08 0.07 0.012 ( 0.084) 0.002 0.010
278 23.17 0.07 0.012 ( 0.084) 0.002 0.010
279 23.25 0.07 0.012 ( 0.084) 0.002 0.010
280 23.33 0.07 0.012 ( 0.084) 0.002 0.010
281 23.42 0.07 0.012 ( 0.083) 0.002 0.010
282 23.50 0.07 0.012 ( 0.083) 0.002 0.010
283 23.58 0.07 0.012 ( 0.083) 0.002 0.010
284 23.67 0.07 0.012 ( 0.083) 0.002 0.010
285 23.75 0.07 0.012 ( 0.083) 0.002 0.010
286 23.83 0.07 0.012 ( 0.083) 0.002 0.010
287 23.92 0.07 0.012 ( 0.083) 0.002 0.010
288 24.00 0.07 0.012 ( 0.083) 0.002 0.010
(Loss Rate Not Used)
Sum = 100.0 Sum = 14.9
Flood volume = Effective rainfall 1.24(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.4(Ac.Ft)
Total soil loss = 0.27(In)
Total soil loss = 0.090(Ac.Ft)
Total rainfall = 1.51(In)
Flood volume = 17888.6 Cubic Feet
Item Number: 1.
Total soil loss = 3926.8 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 0.676(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 24 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0002 0.02 Q | | | |
0+10 0.0004 0.04 Q | | | |
0+15 0.0007 0.04 Q | | | |
0+20 0.0011 0.05 Q | | | |
0+25 0.0015 0.06 Q | | | |
0+30 0.0019 0.06 Q | | | |
0+35 0.0023 0.06 Q | | | |
0+40 0.0027 0.06 Q | | | |
0+45 0.0031 0.06 Q | | | |
0+50 0.0036 0.07 Q | | | |
0+55 0.0041 0.08 Q | | | |
1+ 0 0.0047 0.08 Q | | | |
1+ 5 0.0052 0.07 Q | | | |
1+10 0.0056 0.06 Q | | | |
1+15 0.0060 0.06 Q | | | |
1+20 0.0064 0.06 Q | | | |
1+25 0.0068 0.06 Q | | | |
1+30 0.0072 0.06 Q | | | |
1+35 0.0076 0.06 Q | | | |
1+40 0.0080 0.06 Q | | | |
1+45 0.0084 0.06 Q | | | |
1+50 0.0089 0.07 Q | | | |
1+55 0.0095 0.08 Q | | | |
2+ 0 0.0100 0.08 Q | | | |
2+ 5 0.0106 0.08 QV | | | |
2+10 0.0111 0.08 QV | | | |
2+15 0.0117 0.08 QV | | | |
2+20 0.0122 0.08 QV | | | |
2+25 0.0128 0.08 QV | | | |
2+30 0.0133 0.08 QV | | | |
2+35 0.0139 0.09 QV | | | |
2+40 0.0146 0.10 QV | | | |
2+45 0.0153 0.10 QV | | | |
2+50 0.0160 0.10 QV | | | |
2+55 0.0167 0.10 QV | | | |
3+ 0 0.0174 0.10 QV | | | |
3+ 5 0.0180 0.10 QV | | | |
Item Number: 1.
3+10 0.0187 0.10 QV | | | |
3+15 0.0194 0.10 QV | | | |
3+20 0.0201 0.10 QV | | | |
3+25 0.0208 0.10 Q V | | | |
3+30 0.0215 0.10 Q V | | | |
3+35 0.0221 0.10 Q V | | | |
3+40 0.0228 0.10 Q V | | | |
3+45 0.0235 0.10 Q V | | | |
3+50 0.0243 0.11 Q V | | | |
3+55 0.0251 0.12 Q V | | | |
4+ 0 0.0259 0.12 Q V | | | |
4+ 5 0.0267 0.12 Q V | | | |
4+10 0.0276 0.12 Q V | | | |
4+15 0.0284 0.12 Q V | | | |
4+20 0.0293 0.13 Q V | | | |
4+25 0.0302 0.14 Q V | | | |
4+30 0.0312 0.14 Q V | | | |
4+35 0.0322 0.14 Q V | | | |
4+40 0.0331 0.14 Q V | | | |
4+45 0.0341 0.14 Q V | | | |
4+50 0.0351 0.15 Q V | | | |
4+55 0.0362 0.16 Q V | | | |
5+ 0 0.0373 0.16 Q V | | | |
5+ 5 0.0382 0.14 Q V | | | |
5+10 0.0391 0.12 Q V | | | |
5+15 0.0399 0.12 Q V | | | |
5+20 0.0408 0.13 Q V | | | |
5+25 0.0417 0.14 Q V | | | |
5+30 0.0427 0.14 Q V | | | |
5+35 0.0437 0.15 Q V | | | |
5+40 0.0448 0.16 Q V | | | |
5+45 0.0459 0.16 Q V | | | |
5+50 0.0470 0.16 Q V | | | |
5+55 0.0481 0.16 Q V | | | |
6+ 0 0.0492 0.16 Q V | | | |
6+ 5 0.0504 0.17 Q V | | | |
6+10 0.0516 0.18 Q V | | | |
6+15 0.0528 0.18 Q V | | | |
6+20 0.0541 0.18 Q V | | | |
6+25 0.0553 0.18 Q V | | | |
6+30 0.0565 0.18 Q V | | | |
6+35 0.0579 0.19 Q V | | | |
6+40 0.0592 0.20 Q V | | | |
6+45 0.0606 0.20 Q V | | | |
6+50 0.0620 0.20 Q V | | | |
6+55 0.0633 0.20 Q V | | | |
7+ 0 0.0647 0.20 Q V | | | |
7+ 5 0.0661 0.20 Q V | | | |
7+10 0.0674 0.20 Q V | | | |
7+15 0.0688 0.20 Q V | | | |
Item Number: 1.
7+20 0.0702 0.21 Q V | | | |
7+25 0.0717 0.22 Q V | | | |
7+30 0.0733 0.22 Q V | | | |
7+35 0.0748 0.23 Q V | | | |
7+40 0.0765 0.24 Q V | | | |
7+45 0.0781 0.24 Q V | | | |
7+50 0.0798 0.25 |Q V | | | |
7+55 0.0816 0.26 |Q V | | | |
8+ 0 0.0834 0.26 |Q V | | | |
8+ 5 0.0853 0.28 |Q V | | | |
8+10 0.0874 0.30 |Q V | | | |
8+15 0.0894 0.30 |Q V | | | |
8+20 0.0915 0.30 |Q V | | | |
8+25 0.0935 0.30 |Q V| | | |
8+30 0.0956 0.30 |Q V| | | |
8+35 0.0977 0.31 |Q V| | | |
8+40 0.0999 0.32 |Q V| | | |
8+45 0.1021 0.32 |Q V| | | |
8+50 0.1044 0.33 |Q V | | |
8+55 0.1067 0.34 |Q V | | |
9+ 0 0.1090 0.34 |Q V | | |
9+ 5 0.1115 0.36 |Q V | | |
9+10 0.1141 0.38 |Q |V | | |
9+15 0.1167 0.38 |Q |V | | |
9+20 0.1194 0.39 |Q |V | | |
9+25 0.1221 0.40 |Q |V | | |
9+30 0.1249 0.40 |Q | V | | |
9+35 0.1277 0.41 |Q | V | | |
9+40 0.1306 0.42 |Q | V | | |
9+45 0.1334 0.42 |Q | V | | |
9+50 0.1364 0.43 |Q | V | | |
9+55 0.1394 0.44 |Q | V | | |
10+ 0 0.1424 0.44 |Q | V | | |
10+ 5 0.1448 0.35 |Q | V | | |
10+10 0.1469 0.30 |Q | V | | |
10+15 0.1490 0.30 |Q | V | | |
10+20 0.1510 0.30 |Q | V | | |
10+25 0.1531 0.30 |Q | V | | |
10+30 0.1551 0.30 |Q | V | | |
10+35 0.1576 0.36 |Q | V | | |
10+40 0.1603 0.39 |Q | V | | |
10+45 0.1631 0.40 |Q | V | | |
10+50 0.1658 0.40 |Q | V | | |
10+55 0.1685 0.40 |Q | V | | |
11+ 0 0.1713 0.40 |Q | V | | |
11+ 5 0.1739 0.39 |Q | V | | |
11+10 0.1765 0.38 |Q | V | | |
11+15 0.1791 0.38 |Q | V | | |
11+20 0.1817 0.38 |Q | V | | |
11+25 0.1843 0.38 |Q | V | | |
Item Number: 1.
11+30 0.1869 0.38 |Q | V | | |
11+35 0.1894 0.35 |Q | V | | |
11+40 0.1917 0.34 |Q | V | | |
11+45 0.1940 0.34 |Q | V | | |
11+50 0.1964 0.35 |Q | V| | |
11+55 0.1989 0.36 |Q | V| | |
12+ 0 0.2014 0.36 |Q | V| | |
12+ 5 0.2044 0.44 |Q | V| | |
12+10 0.2078 0.49 |Q | V | |
12+15 0.2112 0.50 |Q | V | |
12+20 0.2147 0.51 | Q | V | |
12+25 0.2183 0.52 | Q | |V | |
12+30 0.2218 0.52 | Q | |V | |
12+35 0.2256 0.54 | Q | |V | |
12+40 0.2294 0.56 | Q | | V | |
12+45 0.2332 0.56 | Q | | V | |
12+50 0.2371 0.57 | Q | | V | |
12+55 0.2411 0.58 | Q | | V | |
13+ 0 0.2451 0.58 | Q | | V | |
13+ 5 0.2494 0.64 | Q | | V | |
13+10 0.2541 0.67 | Q | | V | |
13+15 0.2587 0.68 | Q | | V | |
13+20 0.2634 0.68 | Q | | V | |
13+25 0.2680 0.68 | Q | | V | |
13+30 0.2727 0.68 | Q | | V | |
13+35 0.2764 0.55 | Q | | V | |
13+40 0.2796 0.47 |Q | | V | |
13+45 0.2828 0.46 |Q | | V | |
13+50 0.2859 0.46 |Q | | V | |
13+55 0.2891 0.46 |Q | | V | |
14+ 0 0.2922 0.46 |Q | | V | |
14+ 5 0.2957 0.50 | Q | | V | |
14+10 0.2994 0.53 | Q | | V| |
14+15 0.3031 0.54 | Q | | V| |
14+20 0.3067 0.52 | Q | | V| |
14+25 0.3103 0.52 | Q | | V |
14+30 0.3138 0.52 | Q | | V |
14+35 0.3174 0.52 | Q | | V |
14+40 0.3209 0.52 | Q | | |V |
14+45 0.3245 0.52 | Q | | |V |
14+50 0.3280 0.50 | Q | | |V |
14+55 0.3314 0.50 |Q | | | V |
15+ 0 0.3348 0.50 |Q | | | V |
15+ 5 0.3382 0.49 |Q | | | V |
15+10 0.3415 0.48 |Q | | | V |
15+15 0.3447 0.48 |Q | | | V |
15+20 0.3479 0.47 |Q | | | V |
15+25 0.3511 0.46 |Q | | | V |
15+30 0.3542 0.46 |Q | | | V |
15+35 0.3571 0.41 |Q | | | V |
Item Number: 1.
15+40 0.3597 0.38 |Q | | | V |
15+45 0.3623 0.38 |Q | | | V |
15+50 0.3649 0.38 |Q | | | V |
15+55 0.3675 0.38 |Q | | | V |
16+ 0 0.3701 0.38 |Q | | | V |
16+ 5 0.3715 0.20 Q | | | V |
16+10 0.3721 0.09 Q | | | V |
16+15 0.3726 0.08 Q | | | V |
16+20 0.3732 0.08 Q | | | V |
16+25 0.3737 0.08 Q | | | V |
16+30 0.3743 0.08 Q | | | V |
16+35 0.3748 0.07 Q | | | V |
16+40 0.3752 0.06 Q | | | V |
16+45 0.3756 0.06 Q | | | V |
16+50 0.3760 0.06 Q | | | V |
16+55 0.3764 0.06 Q | | | V |
17+ 0 0.3768 0.06 Q | | | V |
17+ 5 0.3774 0.08 Q | | | V |
17+10 0.3781 0.10 Q | | | V |
17+15 0.3787 0.10 Q | | | V |
17+20 0.3794 0.10 Q | | | V |
17+25 0.3801 0.10 Q | | | V |
17+30 0.3808 0.10 Q | | | V |
17+35 0.3815 0.10 Q | | | V |
17+40 0.3822 0.10 Q | | | V |
17+45 0.3828 0.10 Q | | | V |
17+50 0.3835 0.09 Q | | | V |
17+55 0.3840 0.08 Q | | | V |
18+ 0 0.3846 0.08 Q | | | V |
18+ 5 0.3851 0.08 Q | | | V |
18+10 0.3856 0.08 Q | | | V |
18+15 0.3862 0.08 Q | | | V |
18+20 0.3867 0.08 Q | | | V |
18+25 0.3873 0.08 Q | | | V |
18+30 0.3878 0.08 Q | | | V |
18+35 0.3883 0.07 Q | | | V |
18+40 0.3887 0.06 Q | | | V |
18+45 0.3891 0.06 Q | | | V |
18+50 0.3895 0.05 Q | | | V |
18+55 0.3897 0.04 Q | | | V |
19+ 0 0.3900 0.04 Q | | | V |
19+ 5 0.3904 0.05 Q | | | V |
19+10 0.3908 0.06 Q | | | V |
19+15 0.3912 0.06 Q | | | V |
19+20 0.3917 0.07 Q | | | V |
19+25 0.3922 0.08 Q | | | V |
19+30 0.3928 0.08 Q | | | V |
19+35 0.3932 0.07 Q | | | V |
19+40 0.3936 0.06 Q | | | V |
19+45 0.3941 0.06 Q | | | V |
Item Number: 1.
19+50 0.3944 0.05 Q | | | V |
19+55 0.3947 0.04 Q | | | V |
20+ 0 0.3949 0.04 Q | | | V |
20+ 5 0.3953 0.05 Q | | | V |
20+10 0.3957 0.06 Q | | | V |
20+15 0.3961 0.06 Q | | | V |
20+20 0.3965 0.06 Q | | | V |
20+25 0.3969 0.06 Q | | | V |
20+30 0.3973 0.06 Q | | | V |
20+35 0.3978 0.06 Q | | | V |
20+40 0.3982 0.06 Q | | | V |
20+45 0.3986 0.06 Q | | | V |
20+50 0.3989 0.05 Q | | | V |
20+55 0.3992 0.04 Q | | | V |
21+ 0 0.3995 0.04 Q | | | V |
21+ 5 0.3998 0.05 Q | | | V |
21+10 0.4002 0.06 Q | | | V |
21+15 0.4006 0.06 Q | | | V|
21+20 0.4010 0.05 Q | | | V|
21+25 0.4012 0.04 Q | | | V|
21+30 0.4015 0.04 Q | | | V|
21+35 0.4019 0.05 Q | | | V|
21+40 0.4023 0.06 Q | | | V|
21+45 0.4027 0.06 Q | | | V|
21+50 0.4030 0.05 Q | | | V|
21+55 0.4033 0.04 Q | | | V|
22+ 0 0.4036 0.04 Q | | | V|
22+ 5 0.4039 0.05 Q | | | V|
22+10 0.4043 0.06 Q | | | V|
22+15 0.4047 0.06 Q | | | V|
22+20 0.4051 0.05 Q | | | V|
22+25 0.4053 0.04 Q | | | V|
22+30 0.4056 0.04 Q | | | V|
22+35 0.4059 0.04 Q | | | V|
22+40 0.4062 0.04 Q | | | V|
22+45 0.4064 0.04 Q | | | V|
22+50 0.4067 0.04 Q | | | V|
22+55 0.4070 0.04 Q | | | V|
23+ 0 0.4073 0.04 Q | | | V|
23+ 5 0.4075 0.04 Q | | | V|
23+10 0.4078 0.04 Q | | | V|
23+15 0.4081 0.04 Q | | | V|
23+20 0.4084 0.04 Q | | | V|
23+25 0.4086 0.04 Q | | | V|
23+30 0.4089 0.04 Q | | | V|
23+35 0.4092 0.04 Q | | | V|
23+40 0.4095 0.04 Q | | | V|
23+45 0.4097 0.04 Q | | | V|
23+50 0.4100 0.04 Q | | | V|
23+55 0.4103 0.04 Q | | | V|
Item Number: 1.
24+ 0 0.4105 0.04 Q | | | V|
24+ 5 0.4107 0.02 Q | | | V|
24+10 0.4107 0.00 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh15.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
5 yr
1 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 1 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.47 1.87
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.67 6.65
STORM EVENT (YEAR) = 5.00
Area Averaged 2-Year Rainfall = 0.471(In)
Area Averaged 100-Year Rainfall = 1.670(In)
Point rain (area averaged) = 0.752(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 0.752(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- Slope of intensity-duration curve for a 1 hour storm =0.5800 ---------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 3.60 0.325 ( 0.165) 0.058 0.266
2 0.17 4.20 0.379 ( 0.165) 0.068 0.311
3 0.25 4.40 0.397 ( 0.165) 0.071 0.326
4 0.33 4.60 0.415 ( 0.165) 0.075 0.340
5 0.42 5.00 0.451 ( 0.165) 0.081 0.370
6 0.50 5.60 0.505 ( 0.165) 0.091 0.414
7 0.58 6.40 0.577 ( 0.165) 0.104 0.473
8 0.67 8.10 0.731 ( 0.165) 0.132 0.599
9 0.75 13.10 1.182 0.165 ( 0.213) 1.016
10 0.83 34.50 3.112 0.165 ( 0.560) 2.947
11 0.92 6.70 0.604 ( 0.165) 0.109 0.496
12 1.00 3.80 0.343 ( 0.165) 0.062 0.281
(Loss Rate Not Used)
Sum = 100.0 Sum = 7.8
Flood volume = Effective rainfall 0.65(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.2(Ac.Ft)
Total soil loss = 0.10(In)
Total soil loss = 0.033(Ac.Ft)
Total rainfall = 0.75(In)
Flood volume = 9439.0 Cubic Feet
Total soil loss = 1422.7 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 8.636(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0044 0.64 V Q | | | |
0+10 0.0122 1.13 | V Q | | | |
0+15 0.0210 1.28 | V Q | | | |
0+20 0.0302 1.34 | Q | | | |
0+25 0.0401 1.43 | Q V | | | |
0+30 0.0510 1.59 | Q V| | | |
0+35 0.0634 1.80 | Q |V | | |
0+40 0.0785 2.19 | Q | V | | |
0+45 0.1018 3.38 | | Q V | | |
0+50 0.1613 8.64 | | | V| Q |
0+55 0.2003 5.67 | | | Q | V |
Item Number: 1.
1+ 0 0.2130 1.85 | Q | | | V|
1+ 5 0.2164 0.49 |Q | | | V|
1+10 0.2167 0.04 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh35.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
5 yr
3 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 3 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.76 3.02
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 2.50 9.95
STORM EVENT (YEAR) = 5.00
Area Averaged 2-Year Rainfall = 0.760(In)
Area Averaged 100-Year Rainfall = 2.500(In)
Point rain (area averaged) = 1.168(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.168(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 1.30 0.182 ( 0.165) 0.033 0.149
2 0.17 1.30 0.182 ( 0.165) 0.033 0.149
3 0.25 1.10 0.154 ( 0.165) 0.028 0.126
4 0.33 1.50 0.210 ( 0.165) 0.038 0.172
5 0.42 1.50 0.210 ( 0.165) 0.038 0.172
6 0.50 1.80 0.252 ( 0.165) 0.045 0.207
7 0.58 1.50 0.210 ( 0.165) 0.038 0.172
8 0.67 1.80 0.252 ( 0.165) 0.045 0.207
9 0.75 1.80 0.252 ( 0.165) 0.045 0.207
10 0.83 1.50 0.210 ( 0.165) 0.038 0.172
11 0.92 1.60 0.224 ( 0.165) 0.040 0.184
12 1.00 1.80 0.252 ( 0.165) 0.045 0.207
13 1.08 2.20 0.308 ( 0.165) 0.055 0.253
14 1.17 2.20 0.308 ( 0.165) 0.055 0.253
15 1.25 2.20 0.308 ( 0.165) 0.055 0.253
16 1.33 2.00 0.280 ( 0.165) 0.050 0.230
17 1.42 2.60 0.364 ( 0.165) 0.066 0.299
18 1.50 2.70 0.378 ( 0.165) 0.068 0.310
19 1.58 2.40 0.336 ( 0.165) 0.061 0.276
20 1.67 2.70 0.378 ( 0.165) 0.068 0.310
21 1.75 3.30 0.462 ( 0.165) 0.083 0.379
22 1.83 3.10 0.434 ( 0.165) 0.078 0.356
23 1.92 2.90 0.406 ( 0.165) 0.073 0.333
24 2.00 3.00 0.420 ( 0.165) 0.076 0.345
25 2.08 3.10 0.434 ( 0.165) 0.078 0.356
26 2.17 4.20 0.588 ( 0.165) 0.106 0.483
27 2.25 5.00 0.701 ( 0.165) 0.126 0.574
28 2.33 3.50 0.490 ( 0.165) 0.088 0.402
29 2.42 6.80 0.953 0.165 ( 0.171) 0.787
30 2.50 7.30 1.023 0.165 ( 0.184) 0.857
31 2.58 8.20 1.149 0.165 ( 0.207) 0.983
32 2.67 5.90 0.827 ( 0.165) 0.149 0.678
33 2.75 2.00 0.280 ( 0.165) 0.050 0.230
34 2.83 1.80 0.252 ( 0.165) 0.045 0.207
35 2.92 1.80 0.252 ( 0.165) 0.045 0.207
36 3.00 0.60 0.084 ( 0.165) 0.015 0.069
(Loss Rate Not Used)
Sum = 100.0 Sum = 11.6
Flood volume = Effective rainfall 0.96(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.3(Ac.Ft)
Total soil loss = 0.20(In)
Total soil loss = 0.068(Ac.Ft)
Total rainfall = 1.17(In)
Flood volume = 13911.3 Cubic Feet
Total soil loss = 2956.4 Cubic Feet
-------------------------------------------------------------------- Item Number: 1.
Peak flow rate of this hydrograph = 3.732(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0025 0.36 VQ | | | |
0+10 0.0064 0.58 V Q | | | |
0+15 0.0102 0.54 |VQ | | | |
0+20 0.0145 0.62 |VQ | | | |
0+25 0.0192 0.68 | Q | | | |
0+30 0.0245 0.77 | Q | | | |
0+35 0.0296 0.74 | QV | | | |
0+40 0.0350 0.78 | QV | | | |
0+45 0.0407 0.82 | Q V | | | |
0+50 0.0458 0.75 | Q V | | | |
0+55 0.0508 0.72 | Q V | | | |
1+ 0 0.0562 0.79 | Q V | | | |
1+ 5 0.0627 0.94 | Q V | | | |
1+10 0.0696 1.01 | Q V | | | |
1+15 0.0766 1.01 | Q V| | | |
1+20 0.0832 0.96 | Q V | | |
1+25 0.0907 1.09 | Q |V | | |
1+30 0.0991 1.22 | Q | V | | |
1+35 0.1071 1.16 | Q | V | | |
1+40 0.1153 1.19 | Q | V | | |
1+45 0.1250 1.40 | Q | V | | |
1+50 0.1350 1.46 | Q | V | | |
1+55 0.1445 1.38 | Q | V | | |
2+ 0 0.1539 1.37 | Q | V| | |
2+ 5 0.1636 1.41 | Q | V | |
2+10 0.1756 1.73 | Q | |V | |
2+15 0.1903 2.14 | Q | | V | |
2+20 0.2032 1.88 | Q | | V | |
2+25 0.2209 2.56 | Q | V | |
2+30 0.2434 3.27 | | Q | V |
2+35 0.2691 3.73 | | Q | | V |
2+40 0.2911 3.20 | | Q | | V |
2+45 0.3028 1.69 | Q | | | V |
2+50 0.3092 0.94 | Q | | | V |
2+55 0.3149 0.83 | Q | | | V|
3+ 0 0.3184 0.50 |Q | | | V|
3+ 5 0.3193 0.13 Q | | | V|
3+10 0.3194 0.01 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh65.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
5 yr
6 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 6 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.99 3.95
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 3.25 12.94
STORM EVENT (YEAR) = 5.00
Area Averaged 2-Year Rainfall = 0.993(In)
Area Averaged 100-Year Rainfall = 3.250(In)
Point rain (area averaged) = 1.522(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.522(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.50 0.091 ( 0.165) 0.016 0.075
2 0.17 0.60 0.110 ( 0.165) 0.020 0.090
3 0.25 0.60 0.110 ( 0.165) 0.020 0.090
4 0.33 0.60 0.110 ( 0.165) 0.020 0.090
5 0.42 0.60 0.110 ( 0.165) 0.020 0.090
6 0.50 0.70 0.128 ( 0.165) 0.023 0.105
7 0.58 0.70 0.128 ( 0.165) 0.023 0.105
8 0.67 0.70 0.128 ( 0.165) 0.023 0.105
9 0.75 0.70 0.128 ( 0.165) 0.023 0.105
10 0.83 0.70 0.128 ( 0.165) 0.023 0.105
11 0.92 0.70 0.128 ( 0.165) 0.023 0.105
12 1.00 0.80 0.146 ( 0.165) 0.026 0.120
13 1.08 0.80 0.146 ( 0.165) 0.026 0.120
14 1.17 0.80 0.146 ( 0.165) 0.026 0.120
15 1.25 0.80 0.146 ( 0.165) 0.026 0.120
16 1.33 0.80 0.146 ( 0.165) 0.026 0.120
17 1.42 0.80 0.146 ( 0.165) 0.026 0.120
18 1.50 0.80 0.146 ( 0.165) 0.026 0.120
19 1.58 0.80 0.146 ( 0.165) 0.026 0.120
20 1.67 0.80 0.146 ( 0.165) 0.026 0.120
21 1.75 0.80 0.146 ( 0.165) 0.026 0.120
22 1.83 0.80 0.146 ( 0.165) 0.026 0.120
23 1.92 0.80 0.146 ( 0.165) 0.026 0.120
24 2.00 0.90 0.164 ( 0.165) 0.030 0.135
25 2.08 0.80 0.146 ( 0.165) 0.026 0.120
26 2.17 0.90 0.164 ( 0.165) 0.030 0.135
27 2.25 0.90 0.164 ( 0.165) 0.030 0.135
28 2.33 0.90 0.164 ( 0.165) 0.030 0.135
29 2.42 0.90 0.164 ( 0.165) 0.030 0.135
30 2.50 0.90 0.164 ( 0.165) 0.030 0.135
31 2.58 0.90 0.164 ( 0.165) 0.030 0.135
32 2.67 0.90 0.164 ( 0.165) 0.030 0.135
33 2.75 1.00 0.183 ( 0.165) 0.033 0.150
34 2.83 1.00 0.183 ( 0.165) 0.033 0.150
35 2.92 1.00 0.183 ( 0.165) 0.033 0.150
36 3.00 1.00 0.183 ( 0.165) 0.033 0.150
37 3.08 1.00 0.183 ( 0.165) 0.033 0.150
38 3.17 1.10 0.201 ( 0.165) 0.036 0.165
39 3.25 1.10 0.201 ( 0.165) 0.036 0.165
40 3.33 1.10 0.201 ( 0.165) 0.036 0.165
41 3.42 1.20 0.219 ( 0.165) 0.039 0.180
42 3.50 1.30 0.237 ( 0.165) 0.043 0.195
43 3.58 1.40 0.256 ( 0.165) 0.046 0.210
44 3.67 1.40 0.256 ( 0.165) 0.046 0.210
45 3.75 1.50 0.274 ( 0.165) 0.049 0.225
46 3.83 1.50 0.274 ( 0.165) 0.049 0.225
Item Number: 1.
47 3.92 1.60 0.292 ( 0.165) 0.053 0.240
48 4.00 1.60 0.292 ( 0.165) 0.053 0.240
49 4.08 1.70 0.310 ( 0.165) 0.056 0.255
50 4.17 1.80 0.329 ( 0.165) 0.059 0.270
51 4.25 1.90 0.347 ( 0.165) 0.062 0.284
52 4.33 2.00 0.365 ( 0.165) 0.066 0.299
53 4.42 2.10 0.383 ( 0.165) 0.069 0.314
54 4.50 2.10 0.383 ( 0.165) 0.069 0.314
55 4.58 2.20 0.402 ( 0.165) 0.072 0.329
56 4.67 2.30 0.420 ( 0.165) 0.076 0.344
57 4.75 2.40 0.438 ( 0.165) 0.079 0.359
58 4.83 2.40 0.438 ( 0.165) 0.079 0.359
59 4.92 2.50 0.456 ( 0.165) 0.082 0.374
60 5.00 2.60 0.475 ( 0.165) 0.085 0.389
61 5.08 3.10 0.566 ( 0.165) 0.102 0.464
62 5.17 3.60 0.657 ( 0.165) 0.118 0.539
63 5.25 3.90 0.712 ( 0.165) 0.128 0.584
64 5.33 4.20 0.767 ( 0.165) 0.138 0.629
65 5.42 4.70 0.858 ( 0.165) 0.154 0.704
66 5.50 5.60 1.023 0.165 ( 0.184) 0.857
67 5.58 1.90 0.347 ( 0.165) 0.062 0.284
68 5.67 0.90 0.164 ( 0.165) 0.030 0.135
69 5.75 0.60 0.110 ( 0.165) 0.020 0.090
70 5.83 0.50 0.091 ( 0.165) 0.016 0.075
71 5.92 0.30 0.055 ( 0.165) 0.010 0.045
72 6.00 0.20 0.037 ( 0.165) 0.007 0.030
(Loss Rate Not Used)
Sum = 100.0 Sum = 15.0
Flood volume = Effective rainfall 1.25(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.4(Ac.Ft)
Total soil loss = 0.27(In)
Total soil loss = 0.090(Ac.Ft)
Total rainfall = 1.52(In)
Flood volume = 18049.0 Cubic Feet
Total soil loss = 3934.5 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 3.180(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0012 0.18 Q | | | |
0+10 0.0035 0.32 VQ | | | |
0+15 0.0059 0.36 VQ | | | |
Item Number: 1.
0+20 0.0084 0.36 VQ | | | |
0+25 0.0109 0.36 |Q | | | |
0+30 0.0136 0.40 |Q | | | |
0+35 0.0165 0.42 |Q | | | |
0+40 0.0194 0.42 |Q | | | |
0+45 0.0223 0.42 |QV | | | |
0+50 0.0252 0.42 |QV | | | |
0+55 0.0281 0.42 |QV | | | |
1+ 0 0.0312 0.46 |Q V | | | |
1+ 5 0.0345 0.48 |Q V | | | |
1+10 0.0379 0.48 |Q V | | | |
1+15 0.0412 0.48 |Q V | | | |
1+20 0.0445 0.48 |Q V | | | |
1+25 0.0478 0.48 |Q V | | | |
1+30 0.0511 0.48 |Q V | | | |
1+35 0.0544 0.48 |Q V | | | |
1+40 0.0577 0.48 |Q V | | | |
1+45 0.0610 0.48 |Q V | | | |
1+50 0.0643 0.48 |Q V | | | |
1+55 0.0676 0.48 |Q V | | | |
2+ 0 0.0712 0.52 | Q V | | | |
2+ 5 0.0747 0.50 | Q V | | | |
2+10 0.0782 0.52 | Q V | | | |
2+15 0.0819 0.54 | Q V | | | |
2+20 0.0857 0.54 | Q V | | | |
2+25 0.0894 0.54 | Q V | | | |
2+30 0.0931 0.54 | Q V | | | |
2+35 0.0968 0.54 | Q V| | | |
2+40 0.1006 0.54 | Q V| | | |
2+45 0.1045 0.58 | Q V | | |
2+50 0.1087 0.60 | Q V | | |
2+55 0.1128 0.60 | Q V | | |
3+ 0 0.1169 0.60 | Q |V | | |
3+ 5 0.1211 0.60 | Q |V | | |
3+10 0.1255 0.64 | Q | V | | |
3+15 0.1300 0.66 | Q | V | | |
3+20 0.1346 0.66 | Q | V | | |
3+25 0.1394 0.70 | Q | V | | |
3+30 0.1446 0.75 | Q | V | | |
3+35 0.1502 0.81 | Q | V | | |
3+40 0.1559 0.84 | Q | V | | |
3+45 0.1620 0.88 | Q | V | | |
3+50 0.1682 0.90 | Q | V | | |
3+55 0.1746 0.94 | Q | V | | |
4+ 0 0.1812 0.96 | Q | V | | |
4+ 5 0.1881 1.00 | Q | V | | |
4+10 0.1954 1.06 | Q | V | | |
4+15 0.2030 1.12 | Q | V| | |
4+20 0.2111 1.18 | Q | V | |
4+25 0.2196 1.24 | Q | |V | |
Item Number: 1.
4+30 0.2283 1.26 | Q | | V | |
4+35 0.2373 1.30 | Q | | V | |
4+40 0.2466 1.36 | Q | | V | |
4+45 0.2563 1.42 | Q | | V | |
4+50 0.2663 1.44 | Q | | V | |
4+55 0.2764 1.48 | Q | | V | |
5+ 0 0.2870 1.54 | Q | | V | |
5+ 5 0.2990 1.74 | Q | | V | |
5+10 0.3130 2.03 | Q | | V |
5+15 0.3285 2.26 | Q| | |V |
5+20 0.3454 2.44 | Q| | | V |
5+25 0.3639 2.70 | Q | | V |
5+30 0.3858 3.18 | | Q | | V |
5+35 0.3999 2.05 | Q | | | V |
5+40 0.4059 0.87 | Q | | | V|
5+45 0.4091 0.46 |Q | | | V|
5+50 0.4113 0.33 |Q | | | V|
5+55 0.4129 0.23 Q | | | V|
6+ 0 0.4140 0.15 Q | | | V|
6+ 5 0.4143 0.05 Q | | | V|
6+10 0.4143 0.00 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh245.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
5 yr
24 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.51 6.01
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 5.39 21.45
STORM EVENT (YEAR) = 5.00
Area Averaged 2-Year Rainfall = 1.510(In)
Area Averaged 100-Year Rainfall = 5.390(In)
Point rain (area averaged) = 2.419(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 2.419(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-1 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 16.2 0.870 0.900 0.165 1.000 0.165
Sum (F) = 0.165
Area averaged mean soil loss (F) (In/Hr) = 0.165
Minimum soil loss rate ((In/Hr)) = 0.083
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.07 0.019 ( 0.293) 0.003 0.016
2 0.17 0.07 0.019 ( 0.292) 0.003 0.016
3 0.25 0.07 0.019 ( 0.291) 0.003 0.016
4 0.33 0.10 0.029 ( 0.290) 0.005 0.024
5 0.42 0.10 0.029 ( 0.289) 0.005 0.024
6 0.50 0.10 0.029 ( 0.288) 0.005 0.024
7 0.58 0.10 0.029 ( 0.286) 0.005 0.024
8 0.67 0.10 0.029 ( 0.285) 0.005 0.024
9 0.75 0.10 0.029 ( 0.284) 0.005 0.024
10 0.83 0.13 0.039 ( 0.283) 0.007 0.032
11 0.92 0.13 0.039 ( 0.282) 0.007 0.032
12 1.00 0.13 0.039 ( 0.281) 0.007 0.032
13 1.08 0.10 0.029 ( 0.280) 0.005 0.024
14 1.17 0.10 0.029 ( 0.279) 0.005 0.024
15 1.25 0.10 0.029 ( 0.277) 0.005 0.024
16 1.33 0.10 0.029 ( 0.276) 0.005 0.024
17 1.42 0.10 0.029 ( 0.275) 0.005 0.024
18 1.50 0.10 0.029 ( 0.274) 0.005 0.024
19 1.58 0.10 0.029 ( 0.273) 0.005 0.024
20 1.67 0.10 0.029 ( 0.272) 0.005 0.024
21 1.75 0.10 0.029 ( 0.271) 0.005 0.024
22 1.83 0.13 0.039 ( 0.270) 0.007 0.032
23 1.92 0.13 0.039 ( 0.269) 0.007 0.032
24 2.00 0.13 0.039 ( 0.268) 0.007 0.032
25 2.08 0.13 0.039 ( 0.267) 0.007 0.032
26 2.17 0.13 0.039 ( 0.265) 0.007 0.032
27 2.25 0.13 0.039 ( 0.264) 0.007 0.032
28 2.33 0.13 0.039 ( 0.263) 0.007 0.032
29 2.42 0.13 0.039 ( 0.262) 0.007 0.032
30 2.50 0.13 0.039 ( 0.261) 0.007 0.032
31 2.58 0.17 0.048 ( 0.260) 0.009 0.040
32 2.67 0.17 0.048 ( 0.259) 0.009 0.040
33 2.75 0.17 0.048 ( 0.258) 0.009 0.040
34 2.83 0.17 0.048 ( 0.257) 0.009 0.040
35 2.92 0.17 0.048 ( 0.256) 0.009 0.040
36 3.00 0.17 0.048 ( 0.255) 0.009 0.040
37 3.08 0.17 0.048 ( 0.254) 0.009 0.040
38 3.17 0.17 0.048 ( 0.253) 0.009 0.040
39 3.25 0.17 0.048 ( 0.252) 0.009 0.040
40 3.33 0.17 0.048 ( 0.251) 0.009 0.040
41 3.42 0.17 0.048 ( 0.250) 0.009 0.040
42 3.50 0.17 0.048 ( 0.249) 0.009 0.040
43 3.58 0.17 0.048 ( 0.247) 0.009 0.040
44 3.67 0.17 0.048 ( 0.246) 0.009 0.040
45 3.75 0.17 0.048 ( 0.245) 0.009 0.040
46 3.83 0.20 0.058 ( 0.244) 0.010 0.048
Item Number: 1.
47 3.92 0.20 0.058 ( 0.243) 0.010 0.048
48 4.00 0.20 0.058 ( 0.242) 0.010 0.048
49 4.08 0.20 0.058 ( 0.241) 0.010 0.048
50 4.17 0.20 0.058 ( 0.240) 0.010 0.048
51 4.25 0.20 0.058 ( 0.239) 0.010 0.048
52 4.33 0.23 0.068 ( 0.238) 0.012 0.056
53 4.42 0.23 0.068 ( 0.237) 0.012 0.056
54 4.50 0.23 0.068 ( 0.236) 0.012 0.056
55 4.58 0.23 0.068 ( 0.235) 0.012 0.056
56 4.67 0.23 0.068 ( 0.234) 0.012 0.056
57 4.75 0.23 0.068 ( 0.233) 0.012 0.056
58 4.83 0.27 0.077 ( 0.232) 0.014 0.063
59 4.92 0.27 0.077 ( 0.231) 0.014 0.063
60 5.00 0.27 0.077 ( 0.230) 0.014 0.063
61 5.08 0.20 0.058 ( 0.229) 0.010 0.048
62 5.17 0.20 0.058 ( 0.228) 0.010 0.048
63 5.25 0.20 0.058 ( 0.227) 0.010 0.048
64 5.33 0.23 0.068 ( 0.226) 0.012 0.056
65 5.42 0.23 0.068 ( 0.225) 0.012 0.056
66 5.50 0.23 0.068 ( 0.224) 0.012 0.056
67 5.58 0.27 0.077 ( 0.223) 0.014 0.063
68 5.67 0.27 0.077 ( 0.222) 0.014 0.063
69 5.75 0.27 0.077 ( 0.221) 0.014 0.063
70 5.83 0.27 0.077 ( 0.220) 0.014 0.063
71 5.92 0.27 0.077 ( 0.219) 0.014 0.063
72 6.00 0.27 0.077 ( 0.218) 0.014 0.063
73 6.08 0.30 0.087 ( 0.217) 0.016 0.071
74 6.17 0.30 0.087 ( 0.216) 0.016 0.071
75 6.25 0.30 0.087 ( 0.215) 0.016 0.071
76 6.33 0.30 0.087 ( 0.214) 0.016 0.071
77 6.42 0.30 0.087 ( 0.213) 0.016 0.071
78 6.50 0.30 0.087 ( 0.213) 0.016 0.071
79 6.58 0.33 0.097 ( 0.212) 0.017 0.079
80 6.67 0.33 0.097 ( 0.211) 0.017 0.079
81 6.75 0.33 0.097 ( 0.210) 0.017 0.079
82 6.83 0.33 0.097 ( 0.209) 0.017 0.079
83 6.92 0.33 0.097 ( 0.208) 0.017 0.079
84 7.00 0.33 0.097 ( 0.207) 0.017 0.079
85 7.08 0.33 0.097 ( 0.206) 0.017 0.079
86 7.17 0.33 0.097 ( 0.205) 0.017 0.079
87 7.25 0.33 0.097 ( 0.204) 0.017 0.079
88 7.33 0.37 0.106 ( 0.203) 0.019 0.087
89 7.42 0.37 0.106 ( 0.202) 0.019 0.087
90 7.50 0.37 0.106 ( 0.201) 0.019 0.087
91 7.58 0.40 0.116 ( 0.200) 0.021 0.095
92 7.67 0.40 0.116 ( 0.199) 0.021 0.095
93 7.75 0.40 0.116 ( 0.198) 0.021 0.095
94 7.83 0.43 0.126 ( 0.198) 0.023 0.103
95 7.92 0.43 0.126 ( 0.197) 0.023 0.103
96 8.00 0.43 0.126 ( 0.196) 0.023 0.103
Item Number: 1.
97 8.08 0.50 0.145 ( 0.195) 0.026 0.119
98 8.17 0.50 0.145 ( 0.194) 0.026 0.119
99 8.25 0.50 0.145 ( 0.193) 0.026 0.119
100 8.33 0.50 0.145 ( 0.192) 0.026 0.119
101 8.42 0.50 0.145 ( 0.191) 0.026 0.119
102 8.50 0.50 0.145 ( 0.190) 0.026 0.119
103 8.58 0.53 0.155 ( 0.189) 0.028 0.127
104 8.67 0.53 0.155 ( 0.189) 0.028 0.127
105 8.75 0.53 0.155 ( 0.188) 0.028 0.127
106 8.83 0.57 0.164 ( 0.187) 0.030 0.135
107 8.92 0.57 0.164 ( 0.186) 0.030 0.135
108 9.00 0.57 0.164 ( 0.185) 0.030 0.135
109 9.08 0.63 0.184 ( 0.184) 0.033 0.151
110 9.17 0.63 0.184 ( 0.183) 0.033 0.151
111 9.25 0.63 0.184 ( 0.182) 0.033 0.151
112 9.33 0.67 0.194 ( 0.181) 0.035 0.159
113 9.42 0.67 0.194 ( 0.181) 0.035 0.159
114 9.50 0.67 0.194 ( 0.180) 0.035 0.159
115 9.58 0.70 0.203 ( 0.179) 0.037 0.167
116 9.67 0.70 0.203 ( 0.178) 0.037 0.167
117 9.75 0.70 0.203 ( 0.177) 0.037 0.167
118 9.83 0.73 0.213 ( 0.176) 0.038 0.175
119 9.92 0.73 0.213 ( 0.175) 0.038 0.175
120 10.00 0.73 0.213 ( 0.175) 0.038 0.175
121 10.08 0.50 0.145 ( 0.174) 0.026 0.119
122 10.17 0.50 0.145 ( 0.173) 0.026 0.119
123 10.25 0.50 0.145 ( 0.172) 0.026 0.119
124 10.33 0.50 0.145 ( 0.171) 0.026 0.119
125 10.42 0.50 0.145 ( 0.170) 0.026 0.119
126 10.50 0.50 0.145 ( 0.170) 0.026 0.119
127 10.58 0.67 0.194 ( 0.169) 0.035 0.159
128 10.67 0.67 0.194 ( 0.168) 0.035 0.159
129 10.75 0.67 0.194 ( 0.167) 0.035 0.159
130 10.83 0.67 0.194 ( 0.166) 0.035 0.159
131 10.92 0.67 0.194 ( 0.166) 0.035 0.159
132 11.00 0.67 0.194 ( 0.165) 0.035 0.159
133 11.08 0.63 0.184 ( 0.164) 0.033 0.151
134 11.17 0.63 0.184 ( 0.163) 0.033 0.151
135 11.25 0.63 0.184 ( 0.162) 0.033 0.151
136 11.33 0.63 0.184 ( 0.161) 0.033 0.151
137 11.42 0.63 0.184 ( 0.161) 0.033 0.151
138 11.50 0.63 0.184 ( 0.160) 0.033 0.151
139 11.58 0.57 0.164 ( 0.159) 0.030 0.135
140 11.67 0.57 0.164 ( 0.158) 0.030 0.135
141 11.75 0.57 0.164 ( 0.157) 0.030 0.135
142 11.83 0.60 0.174 ( 0.157) 0.031 0.143
143 11.92 0.60 0.174 ( 0.156) 0.031 0.143
144 12.00 0.60 0.174 ( 0.155) 0.031 0.143
145 12.08 0.83 0.242 ( 0.154) 0.044 0.198
146 12.17 0.83 0.242 ( 0.154) 0.044 0.198
Item Number: 1.
147 12.25 0.83 0.242 ( 0.153) 0.044 0.198
148 12.33 0.87 0.252 ( 0.152) 0.045 0.206
149 12.42 0.87 0.252 ( 0.151) 0.045 0.206
150 12.50 0.87 0.252 ( 0.151) 0.045 0.206
151 12.58 0.93 0.271 ( 0.150) 0.049 0.222
152 12.67 0.93 0.271 ( 0.149) 0.049 0.222
153 12.75 0.93 0.271 ( 0.148) 0.049 0.222
154 12.83 0.97 0.281 ( 0.148) 0.051 0.230
155 12.92 0.97 0.281 ( 0.147) 0.051 0.230
156 13.00 0.97 0.281 ( 0.146) 0.051 0.230
157 13.08 1.13 0.329 ( 0.145) 0.059 0.270
158 13.17 1.13 0.329 ( 0.145) 0.059 0.270
159 13.25 1.13 0.329 ( 0.144) 0.059 0.270
160 13.33 1.13 0.329 ( 0.143) 0.059 0.270
161 13.42 1.13 0.329 ( 0.142) 0.059 0.270
162 13.50 1.13 0.329 ( 0.142) 0.059 0.270
163 13.58 0.77 0.223 ( 0.141) 0.040 0.182
164 13.67 0.77 0.223 ( 0.140) 0.040 0.182
165 13.75 0.77 0.223 ( 0.139) 0.040 0.182
166 13.83 0.77 0.223 ( 0.139) 0.040 0.182
167 13.92 0.77 0.223 ( 0.138) 0.040 0.182
168 14.00 0.77 0.223 ( 0.137) 0.040 0.182
169 14.08 0.90 0.261 ( 0.137) 0.047 0.214
170 14.17 0.90 0.261 ( 0.136) 0.047 0.214
171 14.25 0.90 0.261 ( 0.135) 0.047 0.214
172 14.33 0.87 0.252 ( 0.135) 0.045 0.206
173 14.42 0.87 0.252 ( 0.134) 0.045 0.206
174 14.50 0.87 0.252 ( 0.133) 0.045 0.206
175 14.58 0.87 0.252 ( 0.133) 0.045 0.206
176 14.67 0.87 0.252 ( 0.132) 0.045 0.206
177 14.75 0.87 0.252 ( 0.131) 0.045 0.206
178 14.83 0.83 0.242 ( 0.130) 0.044 0.198
179 14.92 0.83 0.242 ( 0.130) 0.044 0.198
180 15.00 0.83 0.242 ( 0.129) 0.044 0.198
181 15.08 0.80 0.232 ( 0.129) 0.042 0.190
182 15.17 0.80 0.232 ( 0.128) 0.042 0.190
183 15.25 0.80 0.232 ( 0.127) 0.042 0.190
184 15.33 0.77 0.223 ( 0.127) 0.040 0.182
185 15.42 0.77 0.223 ( 0.126) 0.040 0.182
186 15.50 0.77 0.223 ( 0.125) 0.040 0.182
187 15.58 0.63 0.184 ( 0.125) 0.033 0.151
188 15.67 0.63 0.184 ( 0.124) 0.033 0.151
189 15.75 0.63 0.184 ( 0.123) 0.033 0.151
190 15.83 0.63 0.184 ( 0.123) 0.033 0.151
191 15.92 0.63 0.184 ( 0.122) 0.033 0.151
192 16.00 0.63 0.184 ( 0.121) 0.033 0.151
193 16.08 0.13 0.039 ( 0.121) 0.007 0.032
194 16.17 0.13 0.039 ( 0.120) 0.007 0.032
195 16.25 0.13 0.039 ( 0.120) 0.007 0.032
196 16.33 0.13 0.039 ( 0.119) 0.007 0.032
Item Number: 1.
197 16.42 0.13 0.039 ( 0.118) 0.007 0.032
198 16.50 0.13 0.039 ( 0.118) 0.007 0.032
199 16.58 0.10 0.029 ( 0.117) 0.005 0.024
200 16.67 0.10 0.029 ( 0.117) 0.005 0.024
201 16.75 0.10 0.029 ( 0.116) 0.005 0.024
202 16.83 0.10 0.029 ( 0.115) 0.005 0.024
203 16.92 0.10 0.029 ( 0.115) 0.005 0.024
204 17.00 0.10 0.029 ( 0.114) 0.005 0.024
205 17.08 0.17 0.048 ( 0.114) 0.009 0.040
206 17.17 0.17 0.048 ( 0.113) 0.009 0.040
207 17.25 0.17 0.048 ( 0.113) 0.009 0.040
208 17.33 0.17 0.048 ( 0.112) 0.009 0.040
209 17.42 0.17 0.048 ( 0.111) 0.009 0.040
210 17.50 0.17 0.048 ( 0.111) 0.009 0.040
211 17.58 0.17 0.048 ( 0.110) 0.009 0.040
212 17.67 0.17 0.048 ( 0.110) 0.009 0.040
213 17.75 0.17 0.048 ( 0.109) 0.009 0.040
214 17.83 0.13 0.039 ( 0.109) 0.007 0.032
215 17.92 0.13 0.039 ( 0.108) 0.007 0.032
216 18.00 0.13 0.039 ( 0.108) 0.007 0.032
217 18.08 0.13 0.039 ( 0.107) 0.007 0.032
218 18.17 0.13 0.039 ( 0.107) 0.007 0.032
219 18.25 0.13 0.039 ( 0.106) 0.007 0.032
220 18.33 0.13 0.039 ( 0.105) 0.007 0.032
221 18.42 0.13 0.039 ( 0.105) 0.007 0.032
222 18.50 0.13 0.039 ( 0.104) 0.007 0.032
223 18.58 0.10 0.029 ( 0.104) 0.005 0.024
224 18.67 0.10 0.029 ( 0.103) 0.005 0.024
225 18.75 0.10 0.029 ( 0.103) 0.005 0.024
226 18.83 0.07 0.019 ( 0.102) 0.003 0.016
227 18.92 0.07 0.019 ( 0.102) 0.003 0.016
228 19.00 0.07 0.019 ( 0.101) 0.003 0.016
229 19.08 0.10 0.029 ( 0.101) 0.005 0.024
230 19.17 0.10 0.029 ( 0.101) 0.005 0.024
231 19.25 0.10 0.029 ( 0.100) 0.005 0.024
232 19.33 0.13 0.039 ( 0.100) 0.007 0.032
233 19.42 0.13 0.039 ( 0.099) 0.007 0.032
234 19.50 0.13 0.039 ( 0.099) 0.007 0.032
235 19.58 0.10 0.029 ( 0.098) 0.005 0.024
236 19.67 0.10 0.029 ( 0.098) 0.005 0.024
237 19.75 0.10 0.029 ( 0.097) 0.005 0.024
238 19.83 0.07 0.019 ( 0.097) 0.003 0.016
239 19.92 0.07 0.019 ( 0.096) 0.003 0.016
240 20.00 0.07 0.019 ( 0.096) 0.003 0.016
241 20.08 0.10 0.029 ( 0.096) 0.005 0.024
242 20.17 0.10 0.029 ( 0.095) 0.005 0.024
243 20.25 0.10 0.029 ( 0.095) 0.005 0.024
244 20.33 0.10 0.029 ( 0.094) 0.005 0.024
245 20.42 0.10 0.029 ( 0.094) 0.005 0.024
246 20.50 0.10 0.029 ( 0.094) 0.005 0.024
Item Number: 1.
247 20.58 0.10 0.029 ( 0.093) 0.005 0.024
248 20.67 0.10 0.029 ( 0.093) 0.005 0.024
249 20.75 0.10 0.029 ( 0.092) 0.005 0.024
250 20.83 0.07 0.019 ( 0.092) 0.003 0.016
251 20.92 0.07 0.019 ( 0.092) 0.003 0.016
252 21.00 0.07 0.019 ( 0.091) 0.003 0.016
253 21.08 0.10 0.029 ( 0.091) 0.005 0.024
254 21.17 0.10 0.029 ( 0.091) 0.005 0.024
255 21.25 0.10 0.029 ( 0.090) 0.005 0.024
256 21.33 0.07 0.019 ( 0.090) 0.003 0.016
257 21.42 0.07 0.019 ( 0.090) 0.003 0.016
258 21.50 0.07 0.019 ( 0.089) 0.003 0.016
259 21.58 0.10 0.029 ( 0.089) 0.005 0.024
260 21.67 0.10 0.029 ( 0.089) 0.005 0.024
261 21.75 0.10 0.029 ( 0.088) 0.005 0.024
262 21.83 0.07 0.019 ( 0.088) 0.003 0.016
263 21.92 0.07 0.019 ( 0.088) 0.003 0.016
264 22.00 0.07 0.019 ( 0.087) 0.003 0.016
265 22.08 0.10 0.029 ( 0.087) 0.005 0.024
266 22.17 0.10 0.029 ( 0.087) 0.005 0.024
267 22.25 0.10 0.029 ( 0.086) 0.005 0.024
268 22.33 0.07 0.019 ( 0.086) 0.003 0.016
269 22.42 0.07 0.019 ( 0.086) 0.003 0.016
270 22.50 0.07 0.019 ( 0.086) 0.003 0.016
271 22.58 0.07 0.019 ( 0.085) 0.003 0.016
272 22.67 0.07 0.019 ( 0.085) 0.003 0.016
273 22.75 0.07 0.019 ( 0.085) 0.003 0.016
274 22.83 0.07 0.019 ( 0.085) 0.003 0.016
275 22.92 0.07 0.019 ( 0.085) 0.003 0.016
276 23.00 0.07 0.019 ( 0.084) 0.003 0.016
277 23.08 0.07 0.019 ( 0.084) 0.003 0.016
278 23.17 0.07 0.019 ( 0.084) 0.003 0.016
279 23.25 0.07 0.019 ( 0.084) 0.003 0.016
280 23.33 0.07 0.019 ( 0.084) 0.003 0.016
281 23.42 0.07 0.019 ( 0.083) 0.003 0.016
282 23.50 0.07 0.019 ( 0.083) 0.003 0.016
283 23.58 0.07 0.019 ( 0.083) 0.003 0.016
284 23.67 0.07 0.019 ( 0.083) 0.003 0.016
285 23.75 0.07 0.019 ( 0.083) 0.003 0.016
286 23.83 0.07 0.019 ( 0.083) 0.003 0.016
287 23.92 0.07 0.019 ( 0.083) 0.003 0.016
288 24.00 0.07 0.019 ( 0.083) 0.003 0.016
(Loss Rate Not Used)
Sum = 100.0 Sum = 23.8
Flood volume = Effective rainfall 1.98(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.7(Ac.Ft)
Total soil loss = 0.44(In)
Total soil loss = 0.144(Ac.Ft)
Total rainfall = 2.42(In)
Flood volume = 28654.9 Cubic Feet
Item Number: 1.
Total soil loss = 6290.1 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 1.083(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 24 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0003 0.04 Q | | | |
0+10 0.0007 0.06 Q | | | |
0+15 0.0011 0.06 Q | | | |
0+20 0.0017 0.08 Q | | | |
0+25 0.0023 0.09 Q | | | |
0+30 0.0030 0.10 Q | | | |
0+35 0.0037 0.10 Q | | | |
0+40 0.0043 0.10 Q | | | |
0+45 0.0050 0.10 Q | | | |
0+50 0.0058 0.11 Q | | | |
0+55 0.0066 0.13 Q | | | |
1+ 0 0.0075 0.13 Q | | | |
1+ 5 0.0083 0.11 Q | | | |
1+10 0.0089 0.10 Q | | | |
1+15 0.0096 0.10 Q | | | |
1+20 0.0102 0.10 Q | | | |
1+25 0.0109 0.10 Q | | | |
1+30 0.0116 0.10 Q | | | |
1+35 0.0122 0.10 Q | | | |
1+40 0.0129 0.10 Q | | | |
1+45 0.0135 0.10 Q | | | |
1+50 0.0143 0.11 Q | | | |
1+55 0.0152 0.13 Q | | | |
2+ 0 0.0161 0.13 Q | | | |
2+ 5 0.0169 0.13 QV | | | |
2+10 0.0178 0.13 QV | | | |
2+15 0.0187 0.13 QV | | | |
2+20 0.0196 0.13 QV | | | |
2+25 0.0204 0.13 QV | | | |
2+30 0.0213 0.13 QV | | | |
2+35 0.0223 0.15 QV | | | |
2+40 0.0234 0.16 QV | | | |
2+45 0.0245 0.16 QV | | | |
2+50 0.0256 0.16 QV | | | |
2+55 0.0267 0.16 QV | | | |
3+ 0 0.0278 0.16 QV | | | |
3+ 5 0.0289 0.16 QV | | | |
Item Number: 1.
3+10 0.0300 0.16 QV | | | |
3+15 0.0311 0.16 QV | | | |
3+20 0.0322 0.16 QV | | | |
3+25 0.0333 0.16 Q V | | | |
3+30 0.0344 0.16 Q V | | | |
3+35 0.0355 0.16 Q V | | | |
3+40 0.0366 0.16 Q V | | | |
3+45 0.0377 0.16 Q V | | | |
3+50 0.0389 0.18 Q V | | | |
3+55 0.0402 0.19 Q V | | | |
4+ 0 0.0415 0.19 Q V | | | |
4+ 5 0.0428 0.19 Q V | | | |
4+10 0.0442 0.19 Q V | | | |
4+15 0.0455 0.19 Q V | | | |
4+20 0.0469 0.21 Q V | | | |
4+25 0.0484 0.22 Q V | | | |
4+30 0.0500 0.22 Q V | | | |
4+35 0.0515 0.22 Q V | | | |
4+40 0.0530 0.22 Q V | | | |
4+45 0.0546 0.22 Q V | | | |
4+50 0.0562 0.24 Q V | | | |
4+55 0.0580 0.25 |Q V | | | |
5+ 0 0.0597 0.25 |Q V | | | |
5+ 5 0.0612 0.22 Q V | | | |
5+10 0.0626 0.19 Q V | | | |
5+15 0.0639 0.19 Q V | | | |
5+20 0.0653 0.21 Q V | | | |
5+25 0.0669 0.22 Q V | | | |
5+30 0.0684 0.22 Q V | | | |
5+35 0.0701 0.24 Q V | | | |
5+40 0.0718 0.25 |Q V | | | |
5+45 0.0736 0.25 |Q V | | | |
5+50 0.0753 0.25 |Q V | | | |
5+55 0.0771 0.25 |Q V | | | |
6+ 0 0.0788 0.25 |Q V | | | |
6+ 5 0.0807 0.27 |Q V | | | |
6+10 0.0827 0.29 |Q V | | | |
6+15 0.0846 0.29 |Q V | | | |
6+20 0.0866 0.29 |Q V | | | |
6+25 0.0886 0.29 |Q V | | | |
6+30 0.0906 0.29 |Q V | | | |
6+35 0.0927 0.31 |Q V | | | |
6+40 0.0949 0.32 |Q V | | | |
6+45 0.0970 0.32 |Q V | | | |
6+50 0.0992 0.32 |Q V | | | |
6+55 0.1014 0.32 |Q V | | | |
7+ 0 0.1036 0.32 |Q V | | | |
7+ 5 0.1058 0.32 |Q V | | | |
7+10 0.1080 0.32 |Q V | | | |
7+15 0.1102 0.32 |Q V | | | |
Item Number: 1.
7+20 0.1125 0.34 |Q V | | | |
7+25 0.1149 0.35 |Q V | | | |
7+30 0.1173 0.35 |Q V | | | |
7+35 0.1199 0.37 |Q V | | | |
7+40 0.1225 0.38 |Q V | | | |
7+45 0.1251 0.38 |Q V | | | |
7+50 0.1279 0.40 |Q V | | | |
7+55 0.1307 0.41 |Q V | | | |
8+ 0 0.1336 0.41 |Q V | | | |
8+ 5 0.1367 0.45 |Q V | | | |
8+10 0.1400 0.48 |Q V | | | |
8+15 0.1433 0.48 |Q V | | | |
8+20 0.1466 0.48 |Q V | | | |
8+25 0.1498 0.48 |Q V| | | |
8+30 0.1531 0.48 |Q V| | | |
8+35 0.1566 0.50 |Q V| | | |
8+40 0.1601 0.51 | Q V| | | |
8+45 0.1636 0.51 | Q V| | | |
8+50 0.1672 0.53 | Q V | | |
8+55 0.1709 0.54 | Q V | | |
9+ 0 0.1747 0.54 | Q V | | |
9+ 5 0.1786 0.58 | Q V | | |
9+10 0.1828 0.60 | Q |V | | |
9+15 0.1870 0.60 | Q |V | | |
9+20 0.1913 0.62 | Q |V | | |
9+25 0.1956 0.64 | Q |V | | |
9+30 0.2000 0.64 | Q | V | | |
9+35 0.2045 0.66 | Q | V | | |
9+40 0.2091 0.67 | Q | V | | |
9+45 0.2137 0.67 | Q | V | | |
9+50 0.2185 0.69 | Q | V | | |
9+55 0.2233 0.70 | Q | V | | |
10+ 0 0.2281 0.70 | Q | V | | |
10+ 5 0.2320 0.57 | Q | V | | |
10+10 0.2354 0.49 |Q | V | | |
10+15 0.2387 0.48 |Q | V | | |
10+20 0.2419 0.48 |Q | V | | |
10+25 0.2452 0.48 |Q | V | | |
10+30 0.2485 0.48 |Q | V | | |
10+35 0.2525 0.57 | Q | V | | |
10+40 0.2568 0.63 | Q | V | | |
10+45 0.2612 0.64 | Q | V | | |
10+50 0.2656 0.64 | Q | V | | |
10+55 0.2700 0.64 | Q | V | | |
11+ 0 0.2744 0.64 | Q | V | | |
11+ 5 0.2786 0.62 | Q | V | | |
11+10 0.2828 0.61 | Q | V | | |
11+15 0.2869 0.60 | Q | V | | |
11+20 0.2911 0.60 | Q | V | | |
11+25 0.2953 0.60 | Q | V | | |
Item Number: 1.
11+30 0.2994 0.60 | Q | V | | |
11+35 0.3033 0.57 | Q | V | | |
11+40 0.3071 0.54 | Q | V | | |
11+45 0.3108 0.54 | Q | V | | |
11+50 0.3147 0.56 | Q | V| | |
11+55 0.3186 0.57 | Q | V| | |
12+ 0 0.3226 0.57 | Q | V| | |
12+ 5 0.3274 0.71 | Q | V| | |
12+10 0.3329 0.79 | Q | V | |
12+15 0.3383 0.80 | Q | V | |
12+20 0.3439 0.81 | Q | V | |
12+25 0.3496 0.83 | Q | |V | |
12+30 0.3553 0.83 | Q | |V | |
12+35 0.3613 0.87 | Q | |V | |
12+40 0.3674 0.89 | Q | | V | |
12+45 0.3736 0.89 | Q | | V | |
12+50 0.3798 0.91 | Q | | V | |
12+55 0.3862 0.92 | Q | | V | |
13+ 0 0.3925 0.92 | Q | | V | |
13+ 5 0.3996 1.02 | Q | | V | |
13+10 0.4070 1.08 | Q | | V | |
13+15 0.4144 1.08 | Q | | V | |
13+20 0.4219 1.08 | Q | | V | |
13+25 0.4293 1.08 | Q | | V | |
13+30 0.4368 1.08 | Q | | V | |
13+35 0.4428 0.87 | Q | | V | |
13+40 0.4479 0.75 | Q | | V | |
13+45 0.4530 0.73 | Q | | V | |
13+50 0.4580 0.73 | Q | | V | |
13+55 0.4631 0.73 | Q | | V | |
14+ 0 0.4681 0.73 | Q | | V | |
14+ 5 0.4737 0.81 | Q | | V | |
14+10 0.4796 0.85 | Q | | V| |
14+15 0.4855 0.86 | Q | | V| |
14+20 0.4913 0.84 | Q | | V| |
14+25 0.4970 0.83 | Q | | V |
14+30 0.5027 0.83 | Q | | V |
14+35 0.5084 0.83 | Q | | V |
14+40 0.5141 0.83 | Q | | |V |
14+45 0.5198 0.83 | Q | | |V |
14+50 0.5254 0.81 | Q | | |V |
14+55 0.5309 0.80 | Q | | | V |
15+ 0 0.5363 0.80 | Q | | | V |
15+ 5 0.5417 0.78 | Q | | | V |
15+10 0.5470 0.77 | Q | | | V |
15+15 0.5522 0.76 | Q | | | V |
15+20 0.5574 0.75 | Q | | | V |
15+25 0.5624 0.73 | Q | | | V |
15+30 0.5675 0.73 | Q | | | V |
15+35 0.5720 0.66 | Q | | | V |
Item Number: 1.
15+40 0.5762 0.61 | Q | | | V |
15+45 0.5803 0.60 | Q | | | V |
15+50 0.5845 0.60 | Q | | | V |
15+55 0.5887 0.60 | Q | | | V |
16+ 0 0.5928 0.60 | Q | | | V |
16+ 5 0.5950 0.32 |Q | | | V |
16+10 0.5960 0.15 Q | | | V |
16+15 0.5969 0.13 Q | | | V |
16+20 0.5978 0.13 Q | | | V |
16+25 0.5987 0.13 Q | | | V |
16+30 0.5995 0.13 Q | | | V |
16+35 0.6003 0.11 Q | | | V |
16+40 0.6010 0.10 Q | | | V |
16+45 0.6016 0.10 Q | | | V |
16+50 0.6023 0.10 Q | | | V |
16+55 0.6029 0.10 Q | | | V |
17+ 0 0.6036 0.10 Q | | | V |
17+ 5 0.6045 0.13 Q | | | V |
17+10 0.6056 0.16 Q | | | V |
17+15 0.6067 0.16 Q | | | V |
17+20 0.6078 0.16 Q | | | V |
17+25 0.6089 0.16 Q | | | V |
17+30 0.6100 0.16 Q | | | V |
17+35 0.6111 0.16 Q | | | V |
17+40 0.6122 0.16 Q | | | V |
17+45 0.6133 0.16 Q | | | V |
17+50 0.6142 0.14 Q | | | V |
17+55 0.6151 0.13 Q | | | V |
18+ 0 0.6160 0.13 Q | | | V |
18+ 5 0.6169 0.13 Q | | | V |
18+10 0.6177 0.13 Q | | | V |
18+15 0.6186 0.13 Q | | | V |
18+20 0.6195 0.13 Q | | | V |
18+25 0.6204 0.13 Q | | | V |
18+30 0.6213 0.13 Q | | | V |
18+35 0.6220 0.11 Q | | | V |
18+40 0.6227 0.10 Q | | | V |
18+45 0.6233 0.10 Q | | | V |
18+50 0.6239 0.08 Q | | | V |
18+55 0.6243 0.06 Q | | | V |
19+ 0 0.6247 0.06 Q | | | V |
19+ 5 0.6253 0.08 Q | | | V |
19+10 0.6260 0.09 Q | | | V |
19+15 0.6266 0.10 Q | | | V |
19+20 0.6274 0.11 Q | | | V |
19+25 0.6283 0.13 Q | | | V |
19+30 0.6292 0.13 Q | | | V |
19+35 0.6299 0.11 Q | | | V |
19+40 0.6306 0.10 Q | | | V |
19+45 0.6312 0.10 Q | | | V |
Item Number: 1.
19+50 0.6317 0.08 Q | | | V |
19+55 0.6322 0.06 Q | | | V |
20+ 0 0.6326 0.06 Q | | | V |
20+ 5 0.6332 0.08 Q | | | V |
20+10 0.6339 0.09 Q | | | V |
20+15 0.6345 0.10 Q | | | V |
20+20 0.6352 0.10 Q | | | V |
20+25 0.6358 0.10 Q | | | V |
20+30 0.6365 0.10 Q | | | V |
20+35 0.6371 0.10 Q | | | V |
20+40 0.6378 0.10 Q | | | V |
20+45 0.6385 0.10 Q | | | V |
20+50 0.6390 0.08 Q | | | V |
20+55 0.6394 0.06 Q | | | V |
21+ 0 0.6399 0.06 Q | | | V |
21+ 5 0.6404 0.08 Q | | | V |
21+10 0.6411 0.09 Q | | | V |
21+15 0.6417 0.10 Q | | | V|
21+20 0.6423 0.08 Q | | | V|
21+25 0.6427 0.06 Q | | | V|
21+30 0.6432 0.06 Q | | | V|
21+35 0.6437 0.08 Q | | | V|
21+40 0.6444 0.09 Q | | | V|
21+45 0.6450 0.10 Q | | | V|
21+50 0.6456 0.08 Q | | | V|
21+55 0.6460 0.06 Q | | | V|
22+ 0 0.6464 0.06 Q | | | V|
22+ 5 0.6470 0.08 Q | | | V|
22+10 0.6477 0.09 Q | | | V|
22+15 0.6483 0.10 Q | | | V|
22+20 0.6489 0.08 Q | | | V|
22+25 0.6493 0.06 Q | | | V|
22+30 0.6497 0.06 Q | | | V|
22+35 0.6502 0.06 Q | | | V|
22+40 0.6506 0.06 Q | | | V|
22+45 0.6511 0.06 Q | | | V|
22+50 0.6515 0.06 Q | | | V|
22+55 0.6519 0.06 Q | | | V|
23+ 0 0.6524 0.06 Q | | | V|
23+ 5 0.6528 0.06 Q | | | V|
23+10 0.6532 0.06 Q | | | V|
23+15 0.6537 0.06 Q | | | V|
23+20 0.6541 0.06 Q | | | V|
23+25 0.6546 0.06 Q | | | V|
23+30 0.6550 0.06 Q | | | V|
23+35 0.6554 0.06 Q | | | V|
23+40 0.6559 0.06 Q | | | V|
23+45 0.6563 0.06 Q | | | V|
23+50 0.6568 0.06 Q | | | V|
23+55 0.6572 0.06 Q | | | V|
Item Number: 1.
24+ 0 0.6576 0.06 Q | | | V|
24+ 5 0.6578 0.03 Q | | | V|
24+10 0.6578 0.00 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh110.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
10 yr
1 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 1 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.47 1.87
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.67 6.65
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 0.471(In)
Area Averaged 100-Year Rainfall = 1.670(In)
Point rain (area averaged) = 0.964(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 0.964(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 32.0 0.742 0.900 0.141 1.000 0.141
Sum (F) = 0.141
Area averaged mean soil loss (F) (In/Hr) = 0.141
Minimum soil loss rate ((In/Hr)) = 0.070
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- Slope of intensity-duration curve for a 1 hour storm =0.5800 ---------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 3.60 0.417 ( 0.141) 0.075 0.342
2 0.17 4.20 0.486 ( 0.141) 0.087 0.399
3 0.25 4.40 0.509 ( 0.141) 0.092 0.417
4 0.33 4.60 0.532 ( 0.141) 0.096 0.436
5 0.42 5.00 0.579 ( 0.141) 0.104 0.474
6 0.50 5.60 0.648 ( 0.141) 0.117 0.531
7 0.58 6.40 0.741 ( 0.141) 0.133 0.607
8 0.67 8.10 0.937 0.141 ( 0.169) 0.796
9 0.75 13.10 1.516 0.141 ( 0.273) 1.375
10 0.83 34.50 3.992 0.141 ( 0.719) 3.851
11 0.92 6.70 0.775 ( 0.141) 0.140 0.636
12 1.00 3.80 0.440 ( 0.141) 0.079 0.361
(Loss Rate Not Used)
Sum = 100.0 Sum = 10.2
Flood volume = Effective rainfall 0.85(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.3(Ac.Ft)
Total soil loss = 0.11(In)
Total soil loss = 0.037(Ac.Ft)
Total rainfall = 0.96(In)
Flood volume = 12310.8 Cubic Feet
Total soil loss = 1620.0 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 11.355(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 5.0 10.0 15.0 20.0
----------------------------------------------------------------------- 0+ 5 0.0056 0.82 VQ | | | |
0+10 0.0157 1.46 | Q | | | |
0+15 0.0269 1.64 | Q | | | |
0+20 0.0388 1.72 | Q V | | | |
0+25 0.0514 1.84 | Q V | | | |
0+30 0.0654 2.03 | Q V| | | |
0+35 0.0813 2.31 | Q |V | | |
0+40 0.1011 2.88 | Q | V | | |
0+45 0.1325 4.55 | Q| V | | |
0+50 0.2107 11.36 | | | Q V| |
0+55 0.2615 7.38 | | Q | | V |
Item Number: 1.
1+ 0 0.2779 2.38 | Q | | | V|
1+ 5 0.2822 0.63 |Q | | | V|
1+10 0.2826 0.05 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh310.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
10 yr
3 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 3 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.76 3.02
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 2.50 9.95
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 0.760(In)
Area Averaged 100-Year Rainfall = 2.500(In)
Point rain (area averaged) = 1.476(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.476(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 32.0 0.742 0.900 0.141 1.000 0.141
Sum (F) = 0.141
Area averaged mean soil loss (F) (In/Hr) = 0.141
Minimum soil loss rate ((In/Hr)) = 0.070
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 1.30 0.230 ( 0.141) 0.041 0.189
2 0.17 1.30 0.230 ( 0.141) 0.041 0.189
3 0.25 1.10 0.195 ( 0.141) 0.035 0.160
4 0.33 1.50 0.266 ( 0.141) 0.048 0.218
5 0.42 1.50 0.266 ( 0.141) 0.048 0.218
6 0.50 1.80 0.319 ( 0.141) 0.057 0.261
7 0.58 1.50 0.266 ( 0.141) 0.048 0.218
8 0.67 1.80 0.319 ( 0.141) 0.057 0.261
9 0.75 1.80 0.319 ( 0.141) 0.057 0.261
10 0.83 1.50 0.266 ( 0.141) 0.048 0.218
11 0.92 1.60 0.283 ( 0.141) 0.051 0.232
12 1.00 1.80 0.319 ( 0.141) 0.057 0.261
13 1.08 2.20 0.390 ( 0.141) 0.070 0.319
14 1.17 2.20 0.390 ( 0.141) 0.070 0.319
15 1.25 2.20 0.390 ( 0.141) 0.070 0.319
16 1.33 2.00 0.354 ( 0.141) 0.064 0.290
17 1.42 2.60 0.460 ( 0.141) 0.083 0.378
18 1.50 2.70 0.478 ( 0.141) 0.086 0.392
19 1.58 2.40 0.425 ( 0.141) 0.077 0.349
20 1.67 2.70 0.478 ( 0.141) 0.086 0.392
21 1.75 3.30 0.584 ( 0.141) 0.105 0.479
22 1.83 3.10 0.549 ( 0.141) 0.099 0.450
23 1.92 2.90 0.514 ( 0.141) 0.092 0.421
24 2.00 3.00 0.531 ( 0.141) 0.096 0.436
25 2.08 3.10 0.549 ( 0.141) 0.099 0.450
26 2.17 4.20 0.744 ( 0.141) 0.134 0.610
27 2.25 5.00 0.885 0.141 ( 0.159) 0.745
28 2.33 3.50 0.620 ( 0.141) 0.112 0.508
29 2.42 6.80 1.204 0.141 ( 0.217) 1.063
30 2.50 7.30 1.293 0.141 ( 0.233) 1.152
31 2.58 8.20 1.452 0.141 ( 0.261) 1.311
32 2.67 5.90 1.045 0.141 ( 0.188) 0.904
33 2.75 2.00 0.354 ( 0.141) 0.064 0.290
34 2.83 1.80 0.319 ( 0.141) 0.057 0.261
35 2.92 1.80 0.319 ( 0.141) 0.057 0.261
36 3.00 0.60 0.106 ( 0.141) 0.019 0.087
(Loss Rate Not Used)
Sum = 100.0 Sum = 14.9
Flood volume = Effective rainfall 1.24(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.4(Ac.Ft)
Total soil loss = 0.24(In)
Total soil loss = 0.078(Ac.Ft)
Total rainfall = 1.48(In)
Flood volume = 17909.4 Cubic Feet
Total soil loss = 3412.4 Cubic Feet
-------------------------------------------------------------------- Item Number: 1.
Peak flow rate of this hydrograph = 4.991(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0031 0.45 VQ | | | |
0+10 0.0081 0.73 V Q | | | |
0+15 0.0129 0.69 |VQ | | | |
0+20 0.0183 0.78 |V Q | | | |
0+25 0.0242 0.87 | VQ | | | |
0+30 0.0310 0.98 | Q | | | |
0+35 0.0374 0.94 | Q | | | |
0+40 0.0442 0.99 | QV | | | |
0+45 0.0514 1.04 | QV | | | |
0+50 0.0579 0.94 | Q V | | | |
0+55 0.0642 0.92 | Q V | | | |
1+ 0 0.0711 1.00 | Q V | | | |
1+ 5 0.0792 1.18 | Q V | | | |
1+10 0.0880 1.27 | Q V | | | |
1+15 0.0968 1.28 | Q V| | | |
1+20 0.1052 1.21 | Q V | | |
1+25 0.1147 1.38 | Q |V | | |
1+30 0.1253 1.54 | Q | V | | |
1+35 0.1354 1.47 | Q | V | | |
1+40 0.1458 1.51 | Q | V | | |
1+45 0.1580 1.78 | Q | V | | |
1+50 0.1707 1.84 | Q | V | | |
1+55 0.1827 1.74 | Q | V | | |
2+ 0 0.1946 1.73 | Q | V | | |
2+ 5 0.2068 1.78 | Q | V | |
2+10 0.2219 2.19 | Q | |V | |
2+15 0.2408 2.75 | Q | V | |
2+20 0.2574 2.40 | Q| | V | |
2+25 0.2808 3.40 | | Q | V | |
2+30 0.3111 4.39 | | Q | V |
2+35 0.3454 4.99 | | Q| | V |
2+40 0.3748 4.26 | | Q | | V |
2+45 0.3901 2.22 | Q | | | V |
2+50 0.3983 1.19 | Q | | | V |
2+55 0.4055 1.05 | Q | | | V|
3+ 0 0.4099 0.63 | Q | | | V|
3+ 5 0.4111 0.17 Q | | | V|
3+10 0.4111 0.01 Q | | | V
----------------------------------------------------------------------- Item Number: 1.
Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh610.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
10 yr
6 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 6 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.99 3.95
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 3.25 12.94
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 0.993(In)
Area Averaged 100-Year Rainfall = 3.250(In)
Point rain (area averaged) = 1.922(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.922(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 32.0 0.742 0.900 0.141 1.000 0.141
Sum (F) = 0.141
Area averaged mean soil loss (F) (In/Hr) = 0.141
Minimum soil loss rate ((In/Hr)) = 0.070
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.50 0.115 ( 0.141) 0.021 0.095
2 0.17 0.60 0.138 ( 0.141) 0.025 0.113
3 0.25 0.60 0.138 ( 0.141) 0.025 0.113
4 0.33 0.60 0.138 ( 0.141) 0.025 0.113
5 0.42 0.60 0.138 ( 0.141) 0.025 0.113
6 0.50 0.70 0.161 ( 0.141) 0.029 0.132
7 0.58 0.70 0.161 ( 0.141) 0.029 0.132
8 0.67 0.70 0.161 ( 0.141) 0.029 0.132
9 0.75 0.70 0.161 ( 0.141) 0.029 0.132
10 0.83 0.70 0.161 ( 0.141) 0.029 0.132
11 0.92 0.70 0.161 ( 0.141) 0.029 0.132
12 1.00 0.80 0.184 ( 0.141) 0.033 0.151
13 1.08 0.80 0.184 ( 0.141) 0.033 0.151
14 1.17 0.80 0.184 ( 0.141) 0.033 0.151
15 1.25 0.80 0.184 ( 0.141) 0.033 0.151
16 1.33 0.80 0.184 ( 0.141) 0.033 0.151
17 1.42 0.80 0.184 ( 0.141) 0.033 0.151
18 1.50 0.80 0.184 ( 0.141) 0.033 0.151
19 1.58 0.80 0.184 ( 0.141) 0.033 0.151
20 1.67 0.80 0.184 ( 0.141) 0.033 0.151
21 1.75 0.80 0.184 ( 0.141) 0.033 0.151
22 1.83 0.80 0.184 ( 0.141) 0.033 0.151
23 1.92 0.80 0.184 ( 0.141) 0.033 0.151
24 2.00 0.90 0.208 ( 0.141) 0.037 0.170
25 2.08 0.80 0.184 ( 0.141) 0.033 0.151
26 2.17 0.90 0.208 ( 0.141) 0.037 0.170
27 2.25 0.90 0.208 ( 0.141) 0.037 0.170
28 2.33 0.90 0.208 ( 0.141) 0.037 0.170
29 2.42 0.90 0.208 ( 0.141) 0.037 0.170
30 2.50 0.90 0.208 ( 0.141) 0.037 0.170
31 2.58 0.90 0.208 ( 0.141) 0.037 0.170
32 2.67 0.90 0.208 ( 0.141) 0.037 0.170
33 2.75 1.00 0.231 ( 0.141) 0.042 0.189
34 2.83 1.00 0.231 ( 0.141) 0.042 0.189
35 2.92 1.00 0.231 ( 0.141) 0.042 0.189
36 3.00 1.00 0.231 ( 0.141) 0.042 0.189
37 3.08 1.00 0.231 ( 0.141) 0.042 0.189
38 3.17 1.10 0.254 ( 0.141) 0.046 0.208
39 3.25 1.10 0.254 ( 0.141) 0.046 0.208
40 3.33 1.10 0.254 ( 0.141) 0.046 0.208
41 3.42 1.20 0.277 ( 0.141) 0.050 0.227
42 3.50 1.30 0.300 ( 0.141) 0.054 0.246
43 3.58 1.40 0.323 ( 0.141) 0.058 0.265
44 3.67 1.40 0.323 ( 0.141) 0.058 0.265
45 3.75 1.50 0.346 ( 0.141) 0.062 0.284
46 3.83 1.50 0.346 ( 0.141) 0.062 0.284
Item Number: 1.
47 3.92 1.60 0.369 ( 0.141) 0.066 0.303
48 4.00 1.60 0.369 ( 0.141) 0.066 0.303
49 4.08 1.70 0.392 ( 0.141) 0.071 0.321
50 4.17 1.80 0.415 ( 0.141) 0.075 0.340
51 4.25 1.90 0.438 ( 0.141) 0.079 0.359
52 4.33 2.00 0.461 ( 0.141) 0.083 0.378
53 4.42 2.10 0.484 ( 0.141) 0.087 0.397
54 4.50 2.10 0.484 ( 0.141) 0.087 0.397
55 4.58 2.20 0.507 ( 0.141) 0.091 0.416
56 4.67 2.30 0.530 ( 0.141) 0.095 0.435
57 4.75 2.40 0.553 ( 0.141) 0.100 0.454
58 4.83 2.40 0.553 ( 0.141) 0.100 0.454
59 4.92 2.50 0.576 ( 0.141) 0.104 0.473
60 5.00 2.60 0.600 ( 0.141) 0.108 0.492
61 5.08 3.10 0.715 ( 0.141) 0.129 0.586
62 5.17 3.60 0.830 0.141 ( 0.149) 0.689
63 5.25 3.90 0.899 0.141 ( 0.162) 0.758
64 5.33 4.20 0.968 0.141 ( 0.174) 0.827
65 5.42 4.70 1.084 0.141 ( 0.195) 0.943
66 5.50 5.60 1.291 0.141 ( 0.232) 1.150
67 5.58 1.90 0.438 ( 0.141) 0.079 0.359
68 5.67 0.90 0.208 ( 0.141) 0.037 0.170
69 5.75 0.60 0.138 ( 0.141) 0.025 0.113
70 5.83 0.50 0.115 ( 0.141) 0.021 0.095
71 5.92 0.30 0.069 ( 0.141) 0.012 0.057
72 6.00 0.20 0.046 ( 0.141) 0.008 0.038
(Loss Rate Not Used)
Sum = 100.0 Sum = 19.1
Flood volume = Effective rainfall 1.59(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.5(Ac.Ft)
Total soil loss = 0.33(In)
Total soil loss = 0.109(Ac.Ft)
Total rainfall = 1.92(In)
Flood volume = 23014.7 Cubic Feet
Total soil loss = 4746.3 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 4.263(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0016 0.23 Q | | | |
0+10 0.0044 0.41 VQ | | | |
0+15 0.0075 0.45 VQ | | | |
Item Number: 1.
0+20 0.0106 0.46 VQ | | | |
0+25 0.0138 0.46 |Q | | | |
0+30 0.0172 0.50 |VQ | | | |
0+35 0.0209 0.53 |VQ | | | |
0+40 0.0245 0.53 |VQ | | | |
0+45 0.0282 0.53 | Q | | | |
0+50 0.0318 0.53 | Q | | | |
0+55 0.0355 0.53 | Q | | | |
1+ 0 0.0395 0.58 | Q | | | |
1+ 5 0.0436 0.60 | QV | | | |
1+10 0.0478 0.61 | QV | | | |
1+15 0.0520 0.61 | QV | | | |
1+20 0.0562 0.61 | Q V | | | |
1+25 0.0603 0.61 | Q V | | | |
1+30 0.0645 0.61 | Q V | | | |
1+35 0.0687 0.61 | Q V | | | |
1+40 0.0729 0.61 | Q V | | | |
1+45 0.0771 0.61 | Q V | | | |
1+50 0.0812 0.61 | Q V | | | |
1+55 0.0854 0.61 | Q V | | | |
2+ 0 0.0899 0.65 | Q V | | | |
2+ 5 0.0943 0.63 | Q V | | | |
2+10 0.0988 0.66 | Q V | | | |
2+15 0.1035 0.68 | Q V | | | |
2+20 0.1082 0.68 | Q V | | | |
2+25 0.1129 0.68 | Q V | | | |
2+30 0.1176 0.68 | Q V | | | |
2+35 0.1223 0.68 | Q V| | | |
2+40 0.1270 0.68 | Q V| | | |
2+45 0.1320 0.73 | Q V| | | |
2+50 0.1372 0.76 | Q V | | |
2+55 0.1425 0.76 | Q V | | |
3+ 0 0.1477 0.76 | Q |V | | |
3+ 5 0.1529 0.76 | Q |V | | |
3+10 0.1584 0.80 | Q |V | | |
3+15 0.1642 0.83 | Q | V | | |
3+20 0.1699 0.83 | Q | V | | |
3+25 0.1760 0.88 | Q | V | | |
3+30 0.1825 0.95 | Q | V | | |
3+35 0.1896 1.03 | Q | V | | |
3+40 0.1969 1.06 | Q | V | | |
3+45 0.2045 1.11 | Q | V | | |
3+50 0.2124 1.14 | Q | V | | |
3+55 0.2205 1.18 | Q | V | | |
4+ 0 0.2289 1.21 | Q | V | | |
4+ 5 0.2375 1.26 | Q | V | | |
4+10 0.2467 1.33 | Q | V | | |
4+15 0.2564 1.41 | Q | V| | |
4+20 0.2666 1.48 | Q | V | |
4+25 0.2774 1.56 | Q | V | |
Item Number: 1.
4+30 0.2883 1.59 | Q | |V | |
4+35 0.2996 1.64 | Q | | V | |
4+40 0.3114 1.71 | Q | | V | |
4+45 0.3237 1.79 | Q | | V | |
4+50 0.3362 1.82 | Q | | V | |
4+55 0.3491 1.87 | Q | | V | |
5+ 0 0.3624 1.94 | Q | | V | |
5+ 5 0.3776 2.20 | Q | | V | |
5+10 0.3954 2.58 | Q | V| |
5+15 0.4155 2.92 | |Q | |V |
5+20 0.4375 3.20 | | Q | | V |
5+25 0.4622 3.59 | | Q | | V |
5+30 0.4915 4.26 | | Q | | V |
5+35 0.5101 2.69 | Q | | V |
5+40 0.5177 1.11 | Q | | | V|
5+45 0.5217 0.58 | Q | | | V|
5+50 0.5246 0.42 |Q | | | V|
5+55 0.5266 0.29 |Q | | | V|
6+ 0 0.5279 0.19 Q | | | V|
6+ 5 0.5283 0.06 Q | | | V|
6+10 0.5283 0.01 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh2410.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
10 yr
24 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.51 6.01
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 5.39 21.45
STORM EVENT (YEAR) = 10.00
Area Averaged 2-Year Rainfall = 1.510(In)
Area Averaged 100-Year Rainfall = 5.390(In)
Point rain (area averaged) = 3.106(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 3.106(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-2 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 32.0 0.742 0.900 0.141 1.000 0.141
Sum (F) = 0.141
Area averaged mean soil loss (F) (In/Hr) = 0.141
Minimum soil loss rate ((In/Hr)) = 0.070
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.07 0.025 ( 0.250) 0.004 0.020
2 0.17 0.07 0.025 ( 0.249) 0.004 0.020
3 0.25 0.07 0.025 ( 0.248) 0.004 0.020
4 0.33 0.10 0.037 ( 0.247) 0.007 0.031
5 0.42 0.10 0.037 ( 0.246) 0.007 0.031
6 0.50 0.10 0.037 ( 0.245) 0.007 0.031
7 0.58 0.10 0.037 ( 0.244) 0.007 0.031
8 0.67 0.10 0.037 ( 0.243) 0.007 0.031
9 0.75 0.10 0.037 ( 0.242) 0.007 0.031
10 0.83 0.13 0.050 ( 0.241) 0.009 0.041
11 0.92 0.13 0.050 ( 0.240) 0.009 0.041
12 1.00 0.13 0.050 ( 0.239) 0.009 0.041
13 1.08 0.10 0.037 ( 0.238) 0.007 0.031
14 1.17 0.10 0.037 ( 0.238) 0.007 0.031
15 1.25 0.10 0.037 ( 0.237) 0.007 0.031
16 1.33 0.10 0.037 ( 0.236) 0.007 0.031
17 1.42 0.10 0.037 ( 0.235) 0.007 0.031
18 1.50 0.10 0.037 ( 0.234) 0.007 0.031
19 1.58 0.10 0.037 ( 0.233) 0.007 0.031
20 1.67 0.10 0.037 ( 0.232) 0.007 0.031
21 1.75 0.10 0.037 ( 0.231) 0.007 0.031
22 1.83 0.13 0.050 ( 0.230) 0.009 0.041
23 1.92 0.13 0.050 ( 0.229) 0.009 0.041
24 2.00 0.13 0.050 ( 0.228) 0.009 0.041
25 2.08 0.13 0.050 ( 0.227) 0.009 0.041
26 2.17 0.13 0.050 ( 0.226) 0.009 0.041
27 2.25 0.13 0.050 ( 0.225) 0.009 0.041
28 2.33 0.13 0.050 ( 0.224) 0.009 0.041
29 2.42 0.13 0.050 ( 0.224) 0.009 0.041
30 2.50 0.13 0.050 ( 0.223) 0.009 0.041
31 2.58 0.17 0.062 ( 0.222) 0.011 0.051
32 2.67 0.17 0.062 ( 0.221) 0.011 0.051
33 2.75 0.17 0.062 ( 0.220) 0.011 0.051
34 2.83 0.17 0.062 ( 0.219) 0.011 0.051
35 2.92 0.17 0.062 ( 0.218) 0.011 0.051
36 3.00 0.17 0.062 ( 0.217) 0.011 0.051
37 3.08 0.17 0.062 ( 0.216) 0.011 0.051
38 3.17 0.17 0.062 ( 0.215) 0.011 0.051
39 3.25 0.17 0.062 ( 0.215) 0.011 0.051
40 3.33 0.17 0.062 ( 0.214) 0.011 0.051
41 3.42 0.17 0.062 ( 0.213) 0.011 0.051
42 3.50 0.17 0.062 ( 0.212) 0.011 0.051
43 3.58 0.17 0.062 ( 0.211) 0.011 0.051
44 3.67 0.17 0.062 ( 0.210) 0.011 0.051
45 3.75 0.17 0.062 ( 0.209) 0.011 0.051
46 3.83 0.20 0.075 ( 0.208) 0.013 0.061
Item Number: 1.
47 3.92 0.20 0.075 ( 0.207) 0.013 0.061
48 4.00 0.20 0.075 ( 0.207) 0.013 0.061
49 4.08 0.20 0.075 ( 0.206) 0.013 0.061
50 4.17 0.20 0.075 ( 0.205) 0.013 0.061
51 4.25 0.20 0.075 ( 0.204) 0.013 0.061
52 4.33 0.23 0.087 ( 0.203) 0.016 0.071
53 4.42 0.23 0.087 ( 0.202) 0.016 0.071
54 4.50 0.23 0.087 ( 0.201) 0.016 0.071
55 4.58 0.23 0.087 ( 0.200) 0.016 0.071
56 4.67 0.23 0.087 ( 0.200) 0.016 0.071
57 4.75 0.23 0.087 ( 0.199) 0.016 0.071
58 4.83 0.27 0.099 ( 0.198) 0.018 0.082
59 4.92 0.27 0.099 ( 0.197) 0.018 0.082
60 5.00 0.27 0.099 ( 0.196) 0.018 0.082
61 5.08 0.20 0.075 ( 0.195) 0.013 0.061
62 5.17 0.20 0.075 ( 0.194) 0.013 0.061
63 5.25 0.20 0.075 ( 0.194) 0.013 0.061
64 5.33 0.23 0.087 ( 0.193) 0.016 0.071
65 5.42 0.23 0.087 ( 0.192) 0.016 0.071
66 5.50 0.23 0.087 ( 0.191) 0.016 0.071
67 5.58 0.27 0.099 ( 0.190) 0.018 0.082
68 5.67 0.27 0.099 ( 0.189) 0.018 0.082
69 5.75 0.27 0.099 ( 0.189) 0.018 0.082
70 5.83 0.27 0.099 ( 0.188) 0.018 0.082
71 5.92 0.27 0.099 ( 0.187) 0.018 0.082
72 6.00 0.27 0.099 ( 0.186) 0.018 0.082
73 6.08 0.30 0.112 ( 0.185) 0.020 0.092
74 6.17 0.30 0.112 ( 0.184) 0.020 0.092
75 6.25 0.30 0.112 ( 0.184) 0.020 0.092
76 6.33 0.30 0.112 ( 0.183) 0.020 0.092
77 6.42 0.30 0.112 ( 0.182) 0.020 0.092
78 6.50 0.30 0.112 ( 0.181) 0.020 0.092
79 6.58 0.33 0.124 ( 0.180) 0.022 0.102
80 6.67 0.33 0.124 ( 0.180) 0.022 0.102
81 6.75 0.33 0.124 ( 0.179) 0.022 0.102
82 6.83 0.33 0.124 ( 0.178) 0.022 0.102
83 6.92 0.33 0.124 ( 0.177) 0.022 0.102
84 7.00 0.33 0.124 ( 0.176) 0.022 0.102
85 7.08 0.33 0.124 ( 0.176) 0.022 0.102
86 7.17 0.33 0.124 ( 0.175) 0.022 0.102
87 7.25 0.33 0.124 ( 0.174) 0.022 0.102
88 7.33 0.37 0.137 ( 0.173) 0.025 0.112
89 7.42 0.37 0.137 ( 0.172) 0.025 0.112
90 7.50 0.37 0.137 ( 0.172) 0.025 0.112
91 7.58 0.40 0.149 ( 0.171) 0.027 0.122
92 7.67 0.40 0.149 ( 0.170) 0.027 0.122
93 7.75 0.40 0.149 ( 0.169) 0.027 0.122
94 7.83 0.43 0.162 ( 0.168) 0.029 0.132
95 7.92 0.43 0.162 ( 0.168) 0.029 0.132
96 8.00 0.43 0.162 ( 0.167) 0.029 0.132
Item Number: 1.
97 8.08 0.50 0.186 ( 0.166) 0.034 0.153
98 8.17 0.50 0.186 ( 0.165) 0.034 0.153
99 8.25 0.50 0.186 ( 0.165) 0.034 0.153
100 8.33 0.50 0.186 ( 0.164) 0.034 0.153
101 8.42 0.50 0.186 ( 0.163) 0.034 0.153
102 8.50 0.50 0.186 ( 0.162) 0.034 0.153
103 8.58 0.53 0.199 ( 0.161) 0.036 0.163
104 8.67 0.53 0.199 ( 0.161) 0.036 0.163
105 8.75 0.53 0.199 ( 0.160) 0.036 0.163
106 8.83 0.57 0.211 ( 0.159) 0.038 0.173
107 8.92 0.57 0.211 ( 0.158) 0.038 0.173
108 9.00 0.57 0.211 ( 0.158) 0.038 0.173
109 9.08 0.63 0.236 ( 0.157) 0.042 0.194
110 9.17 0.63 0.236 ( 0.156) 0.042 0.194
111 9.25 0.63 0.236 ( 0.155) 0.042 0.194
112 9.33 0.67 0.248 ( 0.155) 0.045 0.204
113 9.42 0.67 0.248 ( 0.154) 0.045 0.204
114 9.50 0.67 0.248 ( 0.153) 0.045 0.204
115 9.58 0.70 0.261 ( 0.153) 0.047 0.214
116 9.67 0.70 0.261 ( 0.152) 0.047 0.214
117 9.75 0.70 0.261 ( 0.151) 0.047 0.214
118 9.83 0.73 0.273 ( 0.150) 0.049 0.224
119 9.92 0.73 0.273 ( 0.150) 0.049 0.224
120 10.00 0.73 0.273 ( 0.149) 0.049 0.224
121 10.08 0.50 0.186 ( 0.148) 0.034 0.153
122 10.17 0.50 0.186 ( 0.147) 0.034 0.153
123 10.25 0.50 0.186 ( 0.147) 0.034 0.153
124 10.33 0.50 0.186 ( 0.146) 0.034 0.153
125 10.42 0.50 0.186 ( 0.145) 0.034 0.153
126 10.50 0.50 0.186 ( 0.145) 0.034 0.153
127 10.58 0.67 0.248 ( 0.144) 0.045 0.204
128 10.67 0.67 0.248 ( 0.143) 0.045 0.204
129 10.75 0.67 0.248 ( 0.142) 0.045 0.204
130 10.83 0.67 0.248 ( 0.142) 0.045 0.204
131 10.92 0.67 0.248 ( 0.141) 0.045 0.204
132 11.00 0.67 0.248 ( 0.140) 0.045 0.204
133 11.08 0.63 0.236 ( 0.140) 0.042 0.194
134 11.17 0.63 0.236 ( 0.139) 0.042 0.194
135 11.25 0.63 0.236 ( 0.138) 0.042 0.194
136 11.33 0.63 0.236 ( 0.138) 0.042 0.194
137 11.42 0.63 0.236 ( 0.137) 0.042 0.194
138 11.50 0.63 0.236 ( 0.136) 0.042 0.194
139 11.58 0.57 0.211 ( 0.136) 0.038 0.173
140 11.67 0.57 0.211 ( 0.135) 0.038 0.173
141 11.75 0.57 0.211 ( 0.134) 0.038 0.173
142 11.83 0.60 0.224 ( 0.134) 0.040 0.183
143 11.92 0.60 0.224 ( 0.133) 0.040 0.183
144 12.00 0.60 0.224 ( 0.132) 0.040 0.183
145 12.08 0.83 0.311 ( 0.132) 0.056 0.255
146 12.17 0.83 0.311 ( 0.131) 0.056 0.255
Item Number: 1.
147 12.25 0.83 0.311 ( 0.130) 0.056 0.255
148 12.33 0.87 0.323 ( 0.130) 0.058 0.265
149 12.42 0.87 0.323 ( 0.129) 0.058 0.265
150 12.50 0.87 0.323 ( 0.128) 0.058 0.265
151 12.58 0.93 0.348 ( 0.128) 0.063 0.285
152 12.67 0.93 0.348 ( 0.127) 0.063 0.285
153 12.75 0.93 0.348 ( 0.126) 0.063 0.285
154 12.83 0.97 0.360 ( 0.126) 0.065 0.295
155 12.92 0.97 0.360 ( 0.125) 0.065 0.295
156 13.00 0.97 0.360 ( 0.124) 0.065 0.295
157 13.08 1.13 0.422 ( 0.124) 0.076 0.346
158 13.17 1.13 0.422 ( 0.123) 0.076 0.346
159 13.25 1.13 0.422 ( 0.123) 0.076 0.346
160 13.33 1.13 0.422 ( 0.122) 0.076 0.346
161 13.42 1.13 0.422 ( 0.121) 0.076 0.346
162 13.50 1.13 0.422 ( 0.121) 0.076 0.346
163 13.58 0.77 0.286 ( 0.120) 0.051 0.234
164 13.67 0.77 0.286 ( 0.120) 0.051 0.234
165 13.75 0.77 0.286 ( 0.119) 0.051 0.234
166 13.83 0.77 0.286 ( 0.118) 0.051 0.234
167 13.92 0.77 0.286 ( 0.118) 0.051 0.234
168 14.00 0.77 0.286 ( 0.117) 0.051 0.234
169 14.08 0.90 0.335 ( 0.117) 0.060 0.275
170 14.17 0.90 0.335 ( 0.116) 0.060 0.275
171 14.25 0.90 0.335 ( 0.115) 0.060 0.275
172 14.33 0.87 0.323 ( 0.115) 0.058 0.265
173 14.42 0.87 0.323 ( 0.114) 0.058 0.265
174 14.50 0.87 0.323 ( 0.114) 0.058 0.265
175 14.58 0.87 0.323 ( 0.113) 0.058 0.265
176 14.67 0.87 0.323 ( 0.112) 0.058 0.265
177 14.75 0.87 0.323 ( 0.112) 0.058 0.265
178 14.83 0.83 0.311 ( 0.111) 0.056 0.255
179 14.92 0.83 0.311 ( 0.111) 0.056 0.255
180 15.00 0.83 0.311 ( 0.110) 0.056 0.255
181 15.08 0.80 0.298 ( 0.110) 0.054 0.245
182 15.17 0.80 0.298 ( 0.109) 0.054 0.245
183 15.25 0.80 0.298 ( 0.108) 0.054 0.245
184 15.33 0.77 0.286 ( 0.108) 0.051 0.234
185 15.42 0.77 0.286 ( 0.107) 0.051 0.234
186 15.50 0.77 0.286 ( 0.107) 0.051 0.234
187 15.58 0.63 0.236 ( 0.106) 0.042 0.194
188 15.67 0.63 0.236 ( 0.106) 0.042 0.194
189 15.75 0.63 0.236 ( 0.105) 0.042 0.194
190 15.83 0.63 0.236 ( 0.105) 0.042 0.194
191 15.92 0.63 0.236 ( 0.104) 0.042 0.194
192 16.00 0.63 0.236 ( 0.104) 0.042 0.194
193 16.08 0.13 0.050 ( 0.103) 0.009 0.041
194 16.17 0.13 0.050 ( 0.102) 0.009 0.041
195 16.25 0.13 0.050 ( 0.102) 0.009 0.041
196 16.33 0.13 0.050 ( 0.101) 0.009 0.041
Item Number: 1.
197 16.42 0.13 0.050 ( 0.101) 0.009 0.041
198 16.50 0.13 0.050 ( 0.100) 0.009 0.041
199 16.58 0.10 0.037 ( 0.100) 0.007 0.031
200 16.67 0.10 0.037 ( 0.099) 0.007 0.031
201 16.75 0.10 0.037 ( 0.099) 0.007 0.031
202 16.83 0.10 0.037 ( 0.098) 0.007 0.031
203 16.92 0.10 0.037 ( 0.098) 0.007 0.031
204 17.00 0.10 0.037 ( 0.097) 0.007 0.031
205 17.08 0.17 0.062 ( 0.097) 0.011 0.051
206 17.17 0.17 0.062 ( 0.096) 0.011 0.051
207 17.25 0.17 0.062 ( 0.096) 0.011 0.051
208 17.33 0.17 0.062 ( 0.095) 0.011 0.051
209 17.42 0.17 0.062 ( 0.095) 0.011 0.051
210 17.50 0.17 0.062 ( 0.094) 0.011 0.051
211 17.58 0.17 0.062 ( 0.094) 0.011 0.051
212 17.67 0.17 0.062 ( 0.094) 0.011 0.051
213 17.75 0.17 0.062 ( 0.093) 0.011 0.051
214 17.83 0.13 0.050 ( 0.093) 0.009 0.041
215 17.92 0.13 0.050 ( 0.092) 0.009 0.041
216 18.00 0.13 0.050 ( 0.092) 0.009 0.041
217 18.08 0.13 0.050 ( 0.091) 0.009 0.041
218 18.17 0.13 0.050 ( 0.091) 0.009 0.041
219 18.25 0.13 0.050 ( 0.090) 0.009 0.041
220 18.33 0.13 0.050 ( 0.090) 0.009 0.041
221 18.42 0.13 0.050 ( 0.089) 0.009 0.041
222 18.50 0.13 0.050 ( 0.089) 0.009 0.041
223 18.58 0.10 0.037 ( 0.089) 0.007 0.031
224 18.67 0.10 0.037 ( 0.088) 0.007 0.031
225 18.75 0.10 0.037 ( 0.088) 0.007 0.031
226 18.83 0.07 0.025 ( 0.087) 0.004 0.020
227 18.92 0.07 0.025 ( 0.087) 0.004 0.020
228 19.00 0.07 0.025 ( 0.087) 0.004 0.020
229 19.08 0.10 0.037 ( 0.086) 0.007 0.031
230 19.17 0.10 0.037 ( 0.086) 0.007 0.031
231 19.25 0.10 0.037 ( 0.085) 0.007 0.031
232 19.33 0.13 0.050 ( 0.085) 0.009 0.041
233 19.42 0.13 0.050 ( 0.085) 0.009 0.041
234 19.50 0.13 0.050 ( 0.084) 0.009 0.041
235 19.58 0.10 0.037 ( 0.084) 0.007 0.031
236 19.67 0.10 0.037 ( 0.083) 0.007 0.031
237 19.75 0.10 0.037 ( 0.083) 0.007 0.031
238 19.83 0.07 0.025 ( 0.083) 0.004 0.020
239 19.92 0.07 0.025 ( 0.082) 0.004 0.020
240 20.00 0.07 0.025 ( 0.082) 0.004 0.020
241 20.08 0.10 0.037 ( 0.082) 0.007 0.031
242 20.17 0.10 0.037 ( 0.081) 0.007 0.031
243 20.25 0.10 0.037 ( 0.081) 0.007 0.031
244 20.33 0.10 0.037 ( 0.080) 0.007 0.031
245 20.42 0.10 0.037 ( 0.080) 0.007 0.031
246 20.50 0.10 0.037 ( 0.080) 0.007 0.031
Item Number: 1.
247 20.58 0.10 0.037 ( 0.079) 0.007 0.031
248 20.67 0.10 0.037 ( 0.079) 0.007 0.031
249 20.75 0.10 0.037 ( 0.079) 0.007 0.031
250 20.83 0.07 0.025 ( 0.078) 0.004 0.020
251 20.92 0.07 0.025 ( 0.078) 0.004 0.020
252 21.00 0.07 0.025 ( 0.078) 0.004 0.020
253 21.08 0.10 0.037 ( 0.078) 0.007 0.031
254 21.17 0.10 0.037 ( 0.077) 0.007 0.031
255 21.25 0.10 0.037 ( 0.077) 0.007 0.031
256 21.33 0.07 0.025 ( 0.077) 0.004 0.020
257 21.42 0.07 0.025 ( 0.076) 0.004 0.020
258 21.50 0.07 0.025 ( 0.076) 0.004 0.020
259 21.58 0.10 0.037 ( 0.076) 0.007 0.031
260 21.67 0.10 0.037 ( 0.075) 0.007 0.031
261 21.75 0.10 0.037 ( 0.075) 0.007 0.031
262 21.83 0.07 0.025 ( 0.075) 0.004 0.020
263 21.92 0.07 0.025 ( 0.075) 0.004 0.020
264 22.00 0.07 0.025 ( 0.074) 0.004 0.020
265 22.08 0.10 0.037 ( 0.074) 0.007 0.031
266 22.17 0.10 0.037 ( 0.074) 0.007 0.031
267 22.25 0.10 0.037 ( 0.074) 0.007 0.031
268 22.33 0.07 0.025 ( 0.073) 0.004 0.020
269 22.42 0.07 0.025 ( 0.073) 0.004 0.020
270 22.50 0.07 0.025 ( 0.073) 0.004 0.020
271 22.58 0.07 0.025 ( 0.073) 0.004 0.020
272 22.67 0.07 0.025 ( 0.073) 0.004 0.020
273 22.75 0.07 0.025 ( 0.072) 0.004 0.020
274 22.83 0.07 0.025 ( 0.072) 0.004 0.020
275 22.92 0.07 0.025 ( 0.072) 0.004 0.020
276 23.00 0.07 0.025 ( 0.072) 0.004 0.020
277 23.08 0.07 0.025 ( 0.072) 0.004 0.020
278 23.17 0.07 0.025 ( 0.072) 0.004 0.020
279 23.25 0.07 0.025 ( 0.071) 0.004 0.020
280 23.33 0.07 0.025 ( 0.071) 0.004 0.020
281 23.42 0.07 0.025 ( 0.071) 0.004 0.020
282 23.50 0.07 0.025 ( 0.071) 0.004 0.020
283 23.58 0.07 0.025 ( 0.071) 0.004 0.020
284 23.67 0.07 0.025 ( 0.071) 0.004 0.020
285 23.75 0.07 0.025 ( 0.071) 0.004 0.020
286 23.83 0.07 0.025 ( 0.071) 0.004 0.020
287 23.92 0.07 0.025 ( 0.071) 0.004 0.020
288 24.00 0.07 0.025 ( 0.070) 0.004 0.020
(Loss Rate Not Used)
Sum = 100.0 Sum = 30.6
Flood volume = Effective rainfall 2.55(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.8(Ac.Ft)
Total soil loss = 0.56(In)
Total soil loss = 0.185(Ac.Ft)
Total rainfall = 3.11(In)
Flood volume = 36799.2 Cubic Feet
Item Number: 1.
Total soil loss = 8077.9 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 1.390(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 24 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0003 0.05 Q | | | |
0+10 0.0009 0.08 Q | | | |
0+15 0.0014 0.08 Q | | | |
0+20 0.0022 0.11 Q | | | |
0+25 0.0030 0.12 Q | | | |
0+30 0.0039 0.12 Q | | | |
0+35 0.0047 0.12 Q | | | |
0+40 0.0055 0.12 Q | | | |
0+45 0.0064 0.12 Q | | | |
0+50 0.0074 0.15 Q | | | |
0+55 0.0085 0.16 Q | | | |
1+ 0 0.0096 0.16 Q | | | |
1+ 5 0.0106 0.14 Q | | | |
1+10 0.0115 0.12 Q | | | |
1+15 0.0123 0.12 Q | | | |
1+20 0.0131 0.12 Q | | | |
1+25 0.0140 0.12 Q | | | |
1+30 0.0148 0.12 Q | | | |
1+35 0.0157 0.12 Q | | | |
1+40 0.0165 0.12 Q | | | |
1+45 0.0174 0.12 Q | | | |
1+50 0.0184 0.15 Q | | | |
1+55 0.0195 0.16 Q | | | |
2+ 0 0.0206 0.16 Q | | | |
2+ 5 0.0217 0.16 QV | | | |
2+10 0.0229 0.16 QV | | | |
2+15 0.0240 0.16 QV | | | |
2+20 0.0251 0.16 QV | | | |
2+25 0.0263 0.16 QV | | | |
2+30 0.0274 0.16 QV | | | |
2+35 0.0287 0.19 QV | | | |
2+40 0.0301 0.20 QV | | | |
2+45 0.0315 0.20 QV | | | |
2+50 0.0329 0.20 QV | | | |
2+55 0.0343 0.20 QV | | | |
3+ 0 0.0357 0.20 QV | | | |
3+ 5 0.0371 0.20 QV | | | |
Item Number: 1.
3+10 0.0385 0.20 QV | | | |
3+15 0.0399 0.20 QV | | | |
3+20 0.0413 0.20 QV | | | |
3+25 0.0427 0.20 Q V | | | |
3+30 0.0442 0.20 Q V | | | |
3+35 0.0456 0.20 Q V | | | |
3+40 0.0470 0.20 Q V | | | |
3+45 0.0484 0.20 Q V | | | |
3+50 0.0500 0.23 Q V | | | |
3+55 0.0516 0.24 Q V | | | |
4+ 0 0.0533 0.25 Q V | | | |
4+ 5 0.0550 0.25 Q V | | | |
4+10 0.0567 0.25 Q V | | | |
4+15 0.0584 0.25 Q V | | | |
4+20 0.0602 0.27 |QV | | | |
4+25 0.0622 0.28 |QV | | | |
4+30 0.0642 0.29 |Q V | | | |
4+35 0.0662 0.29 |Q V | | | |
4+40 0.0681 0.29 |Q V | | | |
4+45 0.0701 0.29 |Q V | | | |
4+50 0.0722 0.31 |Q V | | | |
4+55 0.0745 0.33 |Q V | | | |
5+ 0 0.0767 0.33 |Q V | | | |
5+ 5 0.0786 0.28 |Q V | | | |
5+10 0.0804 0.25 Q V | | | |
5+15 0.0820 0.25 Q V | | | |
5+20 0.0839 0.27 |Q V | | | |
5+25 0.0859 0.28 |Q V | | | |
5+30 0.0878 0.29 |Q V | | | |
5+35 0.0900 0.31 |Q V | | | |
5+40 0.0922 0.33 |Q V | | | |
5+45 0.0945 0.33 |Q V | | | |
5+50 0.0967 0.33 |Q V | | | |
5+55 0.0990 0.33 |Q V | | | |
6+ 0 0.1012 0.33 |Q V | | | |
6+ 5 0.1036 0.35 |Q V | | | |
6+10 0.1062 0.37 |Q V | | | |
6+15 0.1087 0.37 |Q V | | | |
6+20 0.1112 0.37 |Q V | | | |
6+25 0.1138 0.37 |Q V | | | |
6+30 0.1163 0.37 |Q V | | | |
6+35 0.1190 0.39 |Q V | | | |
6+40 0.1218 0.41 |Q V | | | |
6+45 0.1246 0.41 |Q V | | | |
6+50 0.1274 0.41 |Q V | | | |
6+55 0.1303 0.41 |Q V | | | |
7+ 0 0.1331 0.41 |Q V | | | |
7+ 5 0.1359 0.41 |Q V | | | |
7+10 0.1387 0.41 |Q V | | | |
7+15 0.1415 0.41 |Q V | | | |
Item Number: 1.
7+20 0.1445 0.43 |Q V | | | |
7+25 0.1476 0.45 |Q V | | | |
7+30 0.1507 0.45 |Q V | | | |
7+35 0.1540 0.47 |Q V | | | |
7+40 0.1573 0.49 |Q V | | | |
7+45 0.1607 0.49 |Q V | | | |
7+50 0.1643 0.52 | Q V | | | |
7+55 0.1679 0.53 | Q V | | | |
8+ 0 0.1716 0.53 | Q V | | | |
8+ 5 0.1756 0.58 | Q V | | | |
8+10 0.1798 0.61 | Q V | | | |
8+15 0.1840 0.61 | Q V | | | |
8+20 0.1882 0.61 | Q V | | | |
8+25 0.1924 0.61 | Q V| | | |
8+30 0.1967 0.61 | Q V| | | |
8+35 0.2011 0.64 | Q V| | | |
8+40 0.2055 0.65 | Q V| | | |
8+45 0.2101 0.65 | Q V| | | |
8+50 0.2147 0.68 | Q V | | |
8+55 0.2195 0.69 | Q V | | |
9+ 0 0.2243 0.70 | Q V | | |
9+ 5 0.2294 0.74 | Q V | | |
9+10 0.2347 0.77 | Q |V | | |
9+15 0.2401 0.78 | Q |V | | |
9+20 0.2456 0.80 | Q |V | | |
9+25 0.2512 0.82 | Q |V | | |
9+30 0.2569 0.82 | Q | V | | |
9+35 0.2627 0.84 | Q | V | | |
9+40 0.2686 0.86 | Q | V | | |
9+45 0.2745 0.86 | Q | V | | |
9+50 0.2806 0.88 | Q | V | | |
9+55 0.2867 0.90 | Q | V | | |
10+ 0 0.2929 0.90 | Q | V | | |
10+ 5 0.2980 0.73 | Q | V | | |
10+10 0.3023 0.62 | Q | V | | |
10+15 0.3065 0.61 | Q | V | | |
10+20 0.3107 0.61 | Q | V | | |
10+25 0.3149 0.61 | Q | V | | |
10+30 0.3192 0.61 | Q | V | | |
10+35 0.3242 0.74 | Q | V | | |
10+40 0.3298 0.81 | Q | V | | |
10+45 0.3354 0.82 | Q | V | | |
10+50 0.3411 0.82 | Q | V | | |
10+55 0.3467 0.82 | Q | V | | |
11+ 0 0.3523 0.82 | Q | V | | |
11+ 5 0.3578 0.79 | Q | V | | |
11+10 0.3632 0.78 | Q | V | | |
11+15 0.3685 0.78 | Q | V | | |
11+20 0.3739 0.78 | Q | V | | |
11+25 0.3792 0.78 | Q | V | | |
Item Number: 1.
11+30 0.3846 0.78 | Q | V | | |
11+35 0.3896 0.73 | Q | V | | |
11+40 0.3944 0.70 | Q | V | | |
11+45 0.3992 0.70 | Q | V | | |
11+50 0.4041 0.72 | Q | V| | |
11+55 0.4092 0.73 | Q | V| | |
12+ 0 0.4142 0.74 | Q | V| | |
12+ 5 0.4205 0.91 | Q | V| | |
12+10 0.4275 1.01 | Q | V | |
12+15 0.4345 1.02 | Q | V | |
12+20 0.4417 1.05 | Q | V | |
12+25 0.4490 1.06 | Q | |V | |
12+30 0.4563 1.06 | Q | |V | |
12+35 0.4640 1.11 | Q | |V | |
12+40 0.4719 1.14 | Q | | V | |
12+45 0.4797 1.14 | Q | | V | |
12+50 0.4878 1.17 | Q | | V | |
12+55 0.4959 1.18 | Q | | V | |
13+ 0 0.5041 1.19 | Q | | V | |
13+ 5 0.5131 1.31 | Q | | V | |
13+10 0.5226 1.38 | Q | | V | |
13+15 0.5322 1.39 | Q | | V | |
13+20 0.5418 1.39 | Q | | V | |
13+25 0.5514 1.39 | Q | | V | |
13+30 0.5609 1.39 | Q | | V | |
13+35 0.5687 1.12 | Q | | V | |
13+40 0.5753 0.96 | Q | | V | |
13+45 0.5817 0.94 | Q | | V | |
13+50 0.5882 0.94 | Q | | V | |
13+55 0.5947 0.94 | Q | | V | |
14+ 0 0.6012 0.94 | Q | | V | |
14+ 5 0.6083 1.04 | Q | | V | |
14+10 0.6159 1.10 | Q | | V| |
14+15 0.6235 1.10 | Q | | V| |
14+20 0.6309 1.08 | Q | | V| |
14+25 0.6382 1.06 | Q | | V |
14+30 0.6456 1.06 | Q | | V |
14+35 0.6529 1.06 | Q | | V |
14+40 0.6602 1.06 | Q | | |V |
14+45 0.6675 1.06 | Q | | |V |
14+50 0.6747 1.04 | Q | | |V |
14+55 0.6817 1.02 | Q | | | V |
15+ 0 0.6888 1.02 | Q | | | V |
15+ 5 0.6956 1.00 | Q | | | V |
15+10 0.7024 0.98 | Q | | | V |
15+15 0.7092 0.98 | Q | | | V |
15+20 0.7158 0.96 | Q | | | V |
15+25 0.7223 0.94 | Q | | | V |
15+30 0.7287 0.94 | Q | | | V |
15+35 0.7345 0.84 | Q | | | V |
Item Number: 1.
15+40 0.7399 0.78 | Q | | | V |
15+45 0.7453 0.78 | Q | | | V |
15+50 0.7506 0.78 | Q | | | V |
15+55 0.7560 0.78 | Q | | | V |
16+ 0 0.7613 0.78 | Q | | | V |
16+ 5 0.7642 0.41 |Q | | | V |
16+10 0.7654 0.19 Q | | | V |
16+15 0.7666 0.16 Q | | | V |
16+20 0.7677 0.16 Q | | | V |
16+25 0.7688 0.16 Q | | | V |
16+30 0.7700 0.16 Q | | | V |
16+35 0.7709 0.14 Q | | | V |
16+40 0.7718 0.12 Q | | | V |
16+45 0.7726 0.12 Q | | | V |
16+50 0.7735 0.12 Q | | | V |
16+55 0.7743 0.12 Q | | | V |
17+ 0 0.7751 0.12 Q | | | V |
17+ 5 0.7763 0.17 Q | | | V |
17+10 0.7777 0.20 Q | | | V |
17+15 0.7791 0.20 Q | | | V |
17+20 0.7805 0.20 Q | | | V |
17+25 0.7819 0.20 Q | | | V |
17+30 0.7833 0.20 Q | | | V |
17+35 0.7848 0.20 Q | | | V |
17+40 0.7862 0.20 Q | | | V |
17+45 0.7876 0.20 Q | | | V |
17+50 0.7888 0.18 Q | | | V |
17+55 0.7899 0.17 Q | | | V |
18+ 0 0.7911 0.16 Q | | | V |
18+ 5 0.7922 0.16 Q | | | V |
18+10 0.7933 0.16 Q | | | V |
18+15 0.7945 0.16 Q | | | V |
18+20 0.7956 0.16 Q | | | V |
18+25 0.7967 0.16 Q | | | V |
18+30 0.7978 0.16 Q | | | V |
18+35 0.7988 0.14 Q | | | V |
18+40 0.7996 0.12 Q | | | V |
18+45 0.8005 0.12 Q | | | V |
18+50 0.8012 0.10 Q | | | V |
18+55 0.8017 0.08 Q | | | V |
19+ 0 0.8023 0.08 Q | | | V |
19+ 5 0.8030 0.11 Q | | | V |
19+10 0.8039 0.12 Q | | | V |
19+15 0.8047 0.12 Q | | | V |
19+20 0.8057 0.15 Q | | | V |
19+25 0.8068 0.16 Q | | | V |
19+30 0.8080 0.16 Q | | | V |
19+35 0.8089 0.14 Q | | | V |
19+40 0.8098 0.12 Q | | | V |
19+45 0.8106 0.12 Q | | | V |
Item Number: 1.
19+50 0.8113 0.10 Q | | | V |
19+55 0.8119 0.08 Q | | | V |
20+ 0 0.8124 0.08 Q | | | V |
20+ 5 0.8132 0.11 Q | | | V |
20+10 0.8140 0.12 Q | | | V |
20+15 0.8149 0.12 Q | | | V |
20+20 0.8157 0.12 Q | | | V |
20+25 0.8165 0.12 Q | | | V |
20+30 0.8174 0.12 Q | | | V |
20+35 0.8182 0.12 Q | | | V |
20+40 0.8191 0.12 Q | | | V |
20+45 0.8199 0.12 Q | | | V |
20+50 0.8206 0.10 Q | | | V |
20+55 0.8212 0.08 Q | | | V |
21+ 0 0.8217 0.08 Q | | | V |
21+ 5 0.8225 0.11 Q | | | V |
21+10 0.8233 0.12 Q | | | V |
21+15 0.8241 0.12 Q | | | V|
21+20 0.8248 0.10 Q | | | V|
21+25 0.8254 0.08 Q | | | V|
21+30 0.8260 0.08 Q | | | V|
21+35 0.8267 0.11 Q | | | V|
21+40 0.8275 0.12 Q | | | V|
21+45 0.8284 0.12 Q | | | V|
21+50 0.8290 0.10 Q | | | V|
21+55 0.8296 0.08 Q | | | V|
22+ 0 0.8302 0.08 Q | | | V|
22+ 5 0.8309 0.11 Q | | | V|
22+10 0.8317 0.12 Q | | | V|
22+15 0.8326 0.12 Q | | | V|
22+20 0.8333 0.10 Q | | | V|
22+25 0.8338 0.08 Q | | | V|
22+30 0.8344 0.08 Q | | | V|
22+35 0.8350 0.08 Q | | | V|
22+40 0.8355 0.08 Q | | | V|
22+45 0.8361 0.08 Q | | | V|
22+50 0.8367 0.08 Q | | | V|
22+55 0.8372 0.08 Q | | | V|
23+ 0 0.8378 0.08 Q | | | V|
23+ 5 0.8383 0.08 Q | | | V|
23+10 0.8389 0.08 Q | | | V|
23+15 0.8395 0.08 Q | | | V|
23+20 0.8400 0.08 Q | | | V|
23+25 0.8406 0.08 Q | | | V|
23+30 0.8412 0.08 Q | | | V|
23+35 0.8417 0.08 Q | | | V|
23+40 0.8423 0.08 Q | | | V|
23+45 0.8429 0.08 Q | | | V|
23+50 0.8434 0.08 Q | | | V|
23+55 0.8440 0.08 Q | | | V|
Item Number: 1.
24+ 0 0.8445 0.08 Q | | | V|
24+ 5 0.8448 0.03 Q | | | V|
24+10 0.8448 0.00 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh1100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
100 yr
1 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 1 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.47 1.87
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.67 6.65
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 0.471(In)
Area Averaged 100-Year Rainfall = 1.670(In)
Point rain (area averaged) = 1.670(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 1.670(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 52.0 0.552 0.900 0.105 1.000 0.105
Sum (F) = 0.105
Area averaged mean soil loss (F) (In/Hr) = 0.105
Minimum soil loss rate ((In/Hr)) = 0.052
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- Slope of intensity-duration curve for a 1 hour storm =0.5800 ---------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- Item Number: 1.
The following loss rate calculations reflect use of the minimum calculated loss rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 3.60 0.721 0.105 ( 0.130) 0.617
2 0.17 4.20 0.842 0.105 ( 0.151) 0.737
3 0.25 4.40 0.882 0.105 ( 0.159) 0.777
4 0.33 4.60 0.922 0.105 ( 0.166) 0.817
5 0.42 5.00 1.002 0.105 ( 0.180) 0.897
6 0.50 5.60 1.122 0.105 ( 0.202) 1.017
7 0.58 6.40 1.283 0.105 ( 0.231) 1.178
8 0.67 8.10 1.623 0.105 ( 0.292) 1.518
9 0.75 13.10 2.625 0.105 ( 0.473) 2.520
10 0.83 34.50 6.914 0.105 ( 1.244) 6.809
11 0.92 6.70 1.343 0.105 ( 0.242) 1.238
12 1.00 3.80 0.761 0.105 ( 0.137) 0.657
(Loss Rate Not Used)
Sum = 100.0 Sum = 18.8
Flood volume = Effective rainfall 1.57(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.5(Ac.Ft)
Total soil loss = 0.10(In)
Total soil loss = 0.035(Ac.Ft)
Total rainfall = 1.67(In)
Flood volume = 22612.1 Cubic Feet
Total soil loss = 1514.1 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 20.225(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 7.5 15.0 22.5 30.0
----------------------------------------------------------------------- 0+ 5 0.0102 1.48 VQ | | | |
0+10 0.0285 2.67 | VQ | | | |
0+15 0.0494 3.03 | VQ | | | |
0+20 0.0715 3.21 | QV | | | |
0+25 0.0954 3.46 | Q V | | | |
0+30 0.1221 3.88 | Q V| | | |
0+35 0.1527 4.45 | Q |V | | |
0+40 0.1907 5.52 | Q | V | | |
0+45 0.2488 8.44 | |Q V| | |
0+50 0.3881 20.23 | | | Q V| |
0+55 0.4800 13.34 | | Q | | V |
Item Number: 1.
1+ 0 0.5105 4.42 | Q | | | V|
1+ 5 0.5184 1.15 |Q | | | V|
1+10 0.5191 0.10 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh3100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
100 yr
3 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 3 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.76 3.02
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 2.50 9.95
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 0.760(In)
Area Averaged 100-Year Rainfall = 2.500(In)
Point rain (area averaged) = 2.500(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 2.500(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 52.0 0.552 0.900 0.105 1.000 0.105
Sum (F) = 0.105
Area averaged mean soil loss (F) (In/Hr) = 0.105
Minimum soil loss rate ((In/Hr)) = 0.052
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 1.30 0.390 ( 0.105) 0.070 0.320
2 0.17 1.30 0.390 ( 0.105) 0.070 0.320
3 0.25 1.10 0.330 ( 0.105) 0.059 0.271
4 0.33 1.50 0.450 ( 0.105) 0.081 0.369
5 0.42 1.50 0.450 ( 0.105) 0.081 0.369
6 0.50 1.80 0.540 ( 0.105) 0.097 0.443
7 0.58 1.50 0.450 ( 0.105) 0.081 0.369
8 0.67 1.80 0.540 ( 0.105) 0.097 0.443
9 0.75 1.80 0.540 ( 0.105) 0.097 0.443
10 0.83 1.50 0.450 ( 0.105) 0.081 0.369
11 0.92 1.60 0.480 ( 0.105) 0.086 0.394
12 1.00 1.80 0.540 ( 0.105) 0.097 0.443
13 1.08 2.20 0.660 0.105 ( 0.119) 0.555
14 1.17 2.20 0.660 0.105 ( 0.119) 0.555
15 1.25 2.20 0.660 0.105 ( 0.119) 0.555
16 1.33 2.00 0.600 0.105 ( 0.108) 0.495
17 1.42 2.60 0.780 0.105 ( 0.140) 0.675
18 1.50 2.70 0.810 0.105 ( 0.146) 0.705
19 1.58 2.40 0.720 0.105 ( 0.130) 0.615
20 1.67 2.70 0.810 0.105 ( 0.146) 0.705
21 1.75 3.30 0.990 0.105 ( 0.178) 0.885
22 1.83 3.10 0.930 0.105 ( 0.167) 0.825
23 1.92 2.90 0.870 0.105 ( 0.157) 0.765
24 2.00 3.00 0.900 0.105 ( 0.162) 0.795
25 2.08 3.10 0.930 0.105 ( 0.167) 0.825
26 2.17 4.20 1.260 0.105 ( 0.227) 1.155
27 2.25 5.00 1.500 0.105 ( 0.270) 1.395
28 2.33 3.50 1.050 0.105 ( 0.189) 0.945
29 2.42 6.80 2.040 0.105 ( 0.367) 1.935
30 2.50 7.30 2.190 0.105 ( 0.394) 2.085
31 2.58 8.20 2.460 0.105 ( 0.443) 2.355
32 2.67 5.90 1.770 0.105 ( 0.319) 1.665
33 2.75 2.00 0.600 0.105 ( 0.108) 0.495
34 2.83 1.80 0.540 ( 0.105) 0.097 0.443
35 2.92 1.80 0.540 ( 0.105) 0.097 0.443
36 3.00 0.60 0.180 ( 0.105) 0.032 0.148
(Loss Rate Not Used)
Sum = 100.0 Sum = 26.6
Flood volume = Effective rainfall 2.21(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.7(Ac.Ft)
Total soil loss = 0.29(In)
Total soil loss = 0.095(Ac.Ft)
Total rainfall = 2.50(In)
Flood volume = 31992.3 Cubic Feet
Total soil loss = 4125.5 Cubic Feet
-------------------------------------------------------------------- Item Number: 1.
Peak flow rate of this hydrograph = 8.991(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0053 0.77 V Q | | | |
0+10 0.0138 1.23 V Q | | | |
0+15 0.0218 1.17 |V Q | | | |
0+20 0.0310 1.33 |V Q | | | |
0+25 0.0411 1.47 | V Q | | | |
0+30 0.0525 1.66 | V Q | | | |
0+35 0.0634 1.59 | V Q | | | |
0+40 0.0749 1.67 | V Q | | | |
0+45 0.0871 1.77 | V Q | | | |
0+50 0.0981 1.60 | VQ | | | |
0+55 0.1088 1.55 | VQ | | | |
1+ 0 0.1204 1.69 | Q | | | |
1+ 5 0.1345 2.04 | VQ | | | |
1+10 0.1497 2.21 | Q | | | |
1+15 0.1650 2.23 | Q | | | |
1+20 0.1794 2.08 | QV| | | |
1+25 0.1961 2.43 | QV | | |
1+30 0.2151 2.75 | |Q | | |
1+35 0.2331 2.61 | Q V | | |
1+40 0.2516 2.70 | Q V | | |
1+45 0.2740 3.25 | | Q V | | |
1+50 0.2973 3.38 | | Q V | | |
1+55 0.3192 3.18 | | Q V | | |
2+ 0 0.3409 3.15 | | Q V | | |
2+ 5 0.3633 3.26 | | Q V| | |
2+10 0.3915 4.10 | | Q |V | |
2+15 0.4271 5.16 | | Q V | |
2+20 0.4580 4.49 | | Q | V | |
2+25 0.5009 6.23 | | | Q V | |
2+30 0.5558 7.97 | | | VQ |
2+35 0.6177 8.99 | | | | V Q |
2+40 0.6712 7.76 | | | |Q V |
2+45 0.6986 3.99 | | Q | | V |
2+50 0.7127 2.04 | Q | | | V |
2+55 0.7250 1.78 | Q | | | V|
3+ 0 0.7323 1.07 | Q | | | V|
3+ 5 0.7343 0.28 |Q | | | V|
3+10 0.7344 0.02 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh6100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
100 yr
6 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 6 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 0.99 3.95
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 3.25 12.94
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 0.993(In)
Area Averaged 100-Year Rainfall = 3.250(In)
Point rain (area averaged) = 3.250(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 3.250(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 52.0 0.552 0.900 0.105 1.000 0.105
Sum (F) = 0.105
Area averaged mean soil loss (F) (In/Hr) = 0.105
Minimum soil loss rate ((In/Hr)) = 0.052
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.50 0.195 ( 0.105) 0.035 0.160
2 0.17 0.60 0.234 ( 0.105) 0.042 0.192
3 0.25 0.60 0.234 ( 0.105) 0.042 0.192
4 0.33 0.60 0.234 ( 0.105) 0.042 0.192
5 0.42 0.60 0.234 ( 0.105) 0.042 0.192
6 0.50 0.70 0.273 ( 0.105) 0.049 0.224
7 0.58 0.70 0.273 ( 0.105) 0.049 0.224
8 0.67 0.70 0.273 ( 0.105) 0.049 0.224
9 0.75 0.70 0.273 ( 0.105) 0.049 0.224
10 0.83 0.70 0.273 ( 0.105) 0.049 0.224
11 0.92 0.70 0.273 ( 0.105) 0.049 0.224
12 1.00 0.80 0.312 ( 0.105) 0.056 0.256
13 1.08 0.80 0.312 ( 0.105) 0.056 0.256
14 1.17 0.80 0.312 ( 0.105) 0.056 0.256
15 1.25 0.80 0.312 ( 0.105) 0.056 0.256
16 1.33 0.80 0.312 ( 0.105) 0.056 0.256
17 1.42 0.80 0.312 ( 0.105) 0.056 0.256
18 1.50 0.80 0.312 ( 0.105) 0.056 0.256
19 1.58 0.80 0.312 ( 0.105) 0.056 0.256
20 1.67 0.80 0.312 ( 0.105) 0.056 0.256
21 1.75 0.80 0.312 ( 0.105) 0.056 0.256
22 1.83 0.80 0.312 ( 0.105) 0.056 0.256
23 1.92 0.80 0.312 ( 0.105) 0.056 0.256
24 2.00 0.90 0.351 ( 0.105) 0.063 0.288
25 2.08 0.80 0.312 ( 0.105) 0.056 0.256
26 2.17 0.90 0.351 ( 0.105) 0.063 0.288
27 2.25 0.90 0.351 ( 0.105) 0.063 0.288
28 2.33 0.90 0.351 ( 0.105) 0.063 0.288
29 2.42 0.90 0.351 ( 0.105) 0.063 0.288
30 2.50 0.90 0.351 ( 0.105) 0.063 0.288
31 2.58 0.90 0.351 ( 0.105) 0.063 0.288
32 2.67 0.90 0.351 ( 0.105) 0.063 0.288
33 2.75 1.00 0.390 ( 0.105) 0.070 0.320
34 2.83 1.00 0.390 ( 0.105) 0.070 0.320
35 2.92 1.00 0.390 ( 0.105) 0.070 0.320
36 3.00 1.00 0.390 ( 0.105) 0.070 0.320
37 3.08 1.00 0.390 ( 0.105) 0.070 0.320
38 3.17 1.10 0.429 ( 0.105) 0.077 0.352
39 3.25 1.10 0.429 ( 0.105) 0.077 0.352
40 3.33 1.10 0.429 ( 0.105) 0.077 0.352
41 3.42 1.20 0.468 ( 0.105) 0.084 0.384
42 3.50 1.30 0.507 ( 0.105) 0.091 0.416
43 3.58 1.40 0.546 ( 0.105) 0.098 0.448
44 3.67 1.40 0.546 ( 0.105) 0.098 0.448
45 3.75 1.50 0.585 0.105 ( 0.105) 0.480
46 3.83 1.50 0.585 0.105 ( 0.105) 0.480
Item Number: 1.
47 3.92 1.60 0.624 0.105 ( 0.112) 0.519
48 4.00 1.60 0.624 0.105 ( 0.112) 0.519
49 4.08 1.70 0.663 0.105 ( 0.119) 0.558
50 4.17 1.80 0.702 0.105 ( 0.126) 0.597
51 4.25 1.90 0.741 0.105 ( 0.133) 0.636
52 4.33 2.00 0.780 0.105 ( 0.140) 0.675
53 4.42 2.10 0.819 0.105 ( 0.147) 0.714
54 4.50 2.10 0.819 0.105 ( 0.147) 0.714
55 4.58 2.20 0.858 0.105 ( 0.154) 0.753
56 4.67 2.30 0.897 0.105 ( 0.161) 0.792
57 4.75 2.40 0.936 0.105 ( 0.168) 0.831
58 4.83 2.40 0.936 0.105 ( 0.168) 0.831
59 4.92 2.50 0.975 0.105 ( 0.175) 0.870
60 5.00 2.60 1.014 0.105 ( 0.183) 0.909
61 5.08 3.10 1.209 0.105 ( 0.218) 1.104
62 5.17 3.60 1.404 0.105 ( 0.253) 1.299
63 5.25 3.90 1.521 0.105 ( 0.274) 1.416
64 5.33 4.20 1.638 0.105 ( 0.295) 1.533
65 5.42 4.70 1.833 0.105 ( 0.330) 1.728
66 5.50 5.60 2.184 0.105 ( 0.393) 2.079
67 5.58 1.90 0.741 0.105 ( 0.133) 0.636
68 5.67 0.90 0.351 ( 0.105) 0.063 0.288
69 5.75 0.60 0.234 ( 0.105) 0.042 0.192
70 5.83 0.50 0.195 ( 0.105) 0.035 0.160
71 5.92 0.30 0.117 ( 0.105) 0.021 0.096
72 6.00 0.20 0.078 ( 0.105) 0.014 0.064
(Loss Rate Not Used)
Sum = 100.0 Sum = 33.7
Flood volume = Effective rainfall 2.81(In)
times area 4.0(Ac.)/[(In)/(Ft.)] = 0.9(Ac.Ft)
Total soil loss = 0.44(In)
Total soil loss = 0.146(Ac.Ft)
Total rainfall = 3.25(In)
Flood volume = 40603.0 Cubic Feet
Total soil loss = 6350.4 Cubic Feet
-------------------------------------------------------------------- Peak flow rate of this hydrograph = 7.746(CFS)
-------------------------------------------------------------------- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 - H O U R S T O R M
R u n o f f H y d r o g r a p h
-------------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS))
-------------------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0
----------------------------------------------------------------------- 0+ 5 0.0026 0.38 VQ | | | |
0+10 0.0074 0.69 V Q | | | |
0+15 0.0127 0.77 V Q | | | |
Item Number: 1.
0+20 0.0180 0.77 V Q | | | |
0+25 0.0233 0.77 V Q | | | |
0+30 0.0291 0.85 |V Q | | | |
0+35 0.0353 0.89 |V Q | | | |
0+40 0.0415 0.90 |V Q | | | |
0+45 0.0476 0.90 | VQ | | | |
0+50 0.0538 0.90 | VQ | | | |
0+55 0.0600 0.90 | VQ | | | |
1+ 0 0.0667 0.97 | VQ | | | |
1+ 5 0.0738 1.02 | VQ | | | |
1+10 0.0808 1.03 | VQ | | | |
1+15 0.0879 1.03 | VQ | | | |
1+20 0.0950 1.03 | Q | | | |
1+25 0.1021 1.03 | Q | | | |
1+30 0.1091 1.03 | Q | | | |
1+35 0.1162 1.03 | Q | | | |
1+40 0.1233 1.03 | QV | | | |
1+45 0.1303 1.03 | QV | | | |
1+50 0.1374 1.03 | QV | | | |
1+55 0.1445 1.03 | Q V | | | |
2+ 0 0.1521 1.10 | Q V | | | |
2+ 5 0.1595 1.07 | Q V | | | |
2+10 0.1671 1.11 | Q V | | | |
2+15 0.1750 1.15 | Q V | | | |
2+20 0.1830 1.16 | Q V | | | |
2+25 0.1909 1.16 | Q V | | | |
2+30 0.1989 1.16 | Q V | | | |
2+35 0.2069 1.16 | Q V | | | |
2+40 0.2148 1.16 | Q V| | | |
2+45 0.2233 1.23 | Q V| | | |
2+50 0.2321 1.28 | Q V| | | |
2+55 0.2409 1.28 | Q V | | |
3+ 0 0.2498 1.28 | Q V | | |
3+ 5 0.2586 1.28 | Q |V | | |
3+10 0.2680 1.36 | Q |V | | |
3+15 0.2777 1.41 | Q |V | | |
3+20 0.2874 1.41 | Q | V | | |
3+25 0.2976 1.49 | Q | V | | |
3+30 0.3087 1.61 | Q | V | | |
3+35 0.3207 1.74 | Q | V | | |
3+40 0.3331 1.79 | Q | V | | |
3+45 0.3460 1.87 | Q | V | | |
3+50 0.3592 1.92 | Q | V | | |
3+55 0.3731 2.02 | Q | V | | |
4+ 0 0.3874 2.08 | Q | V | | |
4+ 5 0.4024 2.18 | Q | V | | |
4+10 0.4185 2.33 | Q| V | | |
4+15 0.4356 2.48 | Q| V | | |
4+20 0.4537 2.64 | Q V| | |
4+25 0.4730 2.80 | |Q V | |
Item Number: 1.
4+30 0.4927 2.86 | |Q |V | |
4+35 0.5131 2.96 | |Q | V | |
4+40 0.5345 3.11 | | Q | V | |
4+45 0.5570 3.27 | | Q | V | |
4+50 0.5799 3.33 | | Q | V | |
4+55 0.6036 3.43 | | Q | V | |
5+ 0 0.6282 3.58 | | Q | V | |
5+ 5 0.6565 4.11 | | Q | V | |
5+10 0.6900 4.87 | | Q| V| |
5+15 0.7277 5.46 | | |Q |V |
5+20 0.7686 5.95 | | | Q | V |
5+25 0.8141 6.60 | | | Q | V |
5+30 0.8674 7.75 | | | Q V |
5+35 0.9008 4.84 | | Q| | V |
5+40 0.9141 1.94 | Q | | | V|
5+45 0.9208 0.98 | Q | | | V|
5+50 0.9257 0.71 | Q | | | V|
5+55 0.9291 0.49 |Q | | | V|
6+ 0 0.9313 0.32 |Q | | | V|
6+ 5 0.9321 0.11 Q | | | V|
6+10 0.9321 0.01 Q | | | V|
----------------------------------------------------------------------- Item Number: 1.
U n i t H y d r o g r a p h A n a l y s i s
Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 2018, Version 9.0 Study date 09/21/22 File: 183postuh24100.out
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------------------------------------------ Riverside County Synthetic Unit Hydrology Method
RCFC & WCD Manual date - April 1978
Program License Serial Number 6481
--------------------------------------------------------------------- English (in-lb) Input Units Used
English Rainfall Data (Inches) Input Values Used
English Units used in output format
--------------------------------------------------------------------- Desert Hot Springs
Post Development Unit Hydrograph
100 yr
24 hr
-------------------------------------------------------------------- Drainage Area = 3.98(Ac.) = 0.006 Sq. Mi.
Drainage Area for Depth-Area Areal Adjustment = 3.98(Ac.) =
0.006 Sq. Mi.
Length along longest watercourse = 649.03(Ft.)
Length along longest watercourse measured to centroid = 344.31(Ft.) Length along longest watercourse = 0.123 Mi.
Length along longest watercourse measured to centroid = 0.065 Mi.
Difference in elevation = 10.09(Ft.)
Slope along watercourse = 82.0843 Ft./Mi.
Average Manning's 'N' = 0.015
Lag time = 0.025 Hr.
Lag time = 1.49 Min.
25% of lag time = 0.37 Min.
40% of lag time = 0.60 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Item Number: 1.
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 1.51 6.01
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1*2]
3.98 5.39 21.45
STORM EVENT (YEAR) = 100.00
Area Averaged 2-Year Rainfall = 1.510(In)
Area Averaged 100-Year Rainfall = 5.390(In)
Point rain (area averaged) = 5.390(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 5.390(In)
Sub-Area Data:
Area(Ac.) Runoff Index Impervious %
3.980 32.00 0.900
Total Area Entered = 3.98(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC-3 (In/Hr) (Dec.%) (In/Hr) (Dec.) (In/Hr)
32.0 52.0 0.552 0.900 0.105 1.000 0.105
Sum (F) = 0.105
Area averaged mean soil loss (F) (In/Hr) = 0.105
Minimum soil loss rate ((In/Hr)) = 0.052
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
--------------------------------------------------------------------- U n i t H y d r o g r a p h
DESERT S-Curve
-------------------------------------------------------------------- Unit Hydrograph Data
--------------------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS)
--------------------------------------------------------------------- 1 0.083 334.754 59.631 2.392
2 0.167 669.508 36.590 1.468
3 0.250 1004.263 3.779 0.152
Sum = 100.000 Sum= 4.011
----------------------------------------------------------------------- The following loss rate calculations reflect use of the minimum calculated loss Item Number: 1.
rate subtracted from the Storm Rain to produce the maximum Effective Rain value Unit Time Pattern Storm Rain Loss rate(In./Hr) Effective (Hr.) Percent (In/Hr) Max | Low (In/Hr)
1 0.08 0.07 0.043 ( 0.186) 0.008 0.035
2 0.17 0.07 0.043 ( 0.185) 0.008 0.035
3 0.25 0.07 0.043 ( 0.184) 0.008 0.035
4 0.33 0.10 0.065 ( 0.184) 0.012 0.053
5 0.42 0.10 0.065 ( 0.183) 0.012 0.053
6 0.50 0.10 0.065 ( 0.182) 0.012 0.053
7 0.58 0.10 0.065 ( 0.181) 0.012 0.053
8 0.67 0.10 0.065 ( 0.181) 0.012 0.053
9 0.75 0.10 0.065 ( 0.180) 0.012 0.053
10 0.83 0.13 0.086 ( 0.179) 0.016 0.071
11 0.92 0.13 0.086 ( 0.179) 0.016 0.071
12 1.00 0.13 0.086 ( 0.178) 0.016 0.071
13 1.08 0.10 0.065 ( 0.177) 0.012 0.053
14 1.17 0.10 0.065 ( 0.177) 0.012 0.053
15 1.25 0.10 0.065 ( 0.176) 0.012 0.053
16 1.33 0.10 0.065 ( 0.175) 0.012 0.053
17 1.42 0.10 0.065 ( 0.174) 0.012 0.053
18 1.50 0.10 0.065 ( 0.174) 0.012 0.053
19 1.58 0.10 0.065 ( 0.173) 0.012 0.053
20 1.67 0.10 0.065 ( 0.172) 0.012 0.053
21 1.75 0.10 0.065 ( 0.172) 0.012 0.053
22 1.83 0.13 0.086 ( 0.171) 0.016 0.071
23 1.92 0.13 0.086 ( 0.170) 0.016 0.071
24 2.00 0.13 0.086 ( 0.170) 0.016 0.071
25 2.08 0.13 0.086 ( 0.169) 0.016 0.071
26 2.17 0.13 0.086 ( 0.168) 0.016 0.071
27 2.25 0.13 0.086 ( 0.168) 0.016 0.071
28 2.33 0.13 0.086 ( 0.167) 0.016 0.071
29 2.42 0.13 0.086 ( 0.166) 0.016 0.071
30 2.50 0.13 0.086 ( 0.166) 0.016 0.071
31 2.58 0.17 0.108 ( 0.165) 0.019 0.088
32 2.67 0.17 0.108 ( 0.164) 0.019 0.088
33 2.75 0.17 0.108 ( 0.163) 0.019 0.088
34 2.83 0.17 0.108 ( 0.163) 0.019 0.088
35 2.92 0.17 0.108 ( 0.162) 0.019 0.088
36 3.00 0.17 0.108 ( 0.161) 0.019 0.088
37 3.08 0.17 0.108 ( 0.161) 0.019 0.088
38 3.17 0.17 0.108 ( 0.160) 0.019 0.088
39 3.25 0.17 0.108 ( 0.159) 0.019 0.088
40 3.33 0.17 0.108 ( 0.159) 0.019 0.088
41 3.42 0.17 0.108 ( 0.158) 0.019 0.088
42 3.50 0.17 0.108 ( 0.157) 0.019 0.088
43 3.58 0.17 0.108 ( 0.157) 0.019 0.088
44 3.67 0.17 0.108 ( 0.156) 0.019 0.088
45 3.75 0.17 0.108 ( 0.156) 0.019 0.088
46 3.83 0.20 0.129 ( 0.155) 0.023 0.106
Item Number: 1.
47 3.92 0.20 0.129 ( 0.154) 0.023 0.106
48 4.00 0.20 0.129 ( 0.154) 0.023 0.106
49 4.08 0.20 0.129 ( 0.153) 0.023 0.106
50 4.17 0.20 0.129 ( 0.152) 0.023 0.106
51 4.25 0.20 0.129 ( 0.152) 0.023 0.106
52 4.33 0.23 0.151 ( 0.151) 0.027 0.124
53 4.42 0.23 0.151 ( 0.150) 0.027 0.124
54 4.50 0.23 0.151 ( 0.150) 0.027 0.124
55 4.58 0.23 0.151 ( 0.149) 0.027 0.124
56 4.67 0.23 0.151 ( 0.148) 0.027 0.124
57 4.75 0.23 0.151 ( 0.148) 0.027 0.124
58 4.83 0.27 0.172 ( 0.147) 0.031 0.141
59 4.92 0.27 0.172 ( 0.146) 0.031 0.141
60 5.00 0.27 0.172 ( 0.146) 0.031 0.141
61 5.08 0.20 0.129 ( 0.145) 0.023 0.106
62 5.17 0.20 0.129 ( 0.145) 0.023 0.106
63 5.25 0.20 0.129 ( 0.144) 0.023 0.106
64 5.33 0.23 0.151 ( 0.143) 0.027 0.124
65 5.42 0.23 0.151 ( 0.143) 0.027 0.124
66 5.50 0.23 0.151 ( 0.142) 0.027 0.124
67 5.58 0.27 0.172 ( 0.141) 0.031 0.141
68 5.67 0.27 0.172 ( 0.141) 0.031 0.141
69 5.75 0.27 0.172 ( 0.140) 0.031 0.141
70 5.83 0.27 0.172 ( 0.140) 0.031 0.141
71 5.92 0.27 0.172 ( 0.139) 0.031 0.141
72 6.00 0.27 0.172 ( 0.138) 0.031 0.141
73 6.08 0.30 0.194 ( 0.138) 0.035 0.159
74 6.17 0.30 0.194 ( 0.137) 0.035 0.159
75 6.25 0.30 0.194 ( 0.137) 0.035 0.159
76 6.33 0.30 0.194 ( 0.136) 0.035 0.159
77 6.42 0.30 0.194 ( 0.135) 0.035 0.159
78 6.50 0.30 0.194 ( 0.135) 0.035 0.159
79 6.58 0.33 0.216 ( 0.134) 0.039 0.177
80 6.67 0.33 0.216 ( 0.133) 0.039 0.177
81 6.75 0.33 0.216 ( 0.133) 0.039 0.177
82 6.83 0.33 0.216 ( 0.132) 0.039 0.177
83 6.92 0.33 0.216 ( 0.132) 0.039 0.177
84 7.00 0.33 0.216 ( 0.131) 0.039 0.177
85 7.08 0.33 0.216 ( 0.130) 0.039 0.177
86 7.17 0.33 0.216 ( 0.130) 0.039 0.177
87 7.25 0.33 0.216 ( 0.129) 0.039 0.177
88 7.33 0.37 0.237 ( 0.129) 0.043 0.194
89 7.42 0.37 0.237 ( 0.128) 0.043 0.194
90 7.50 0.37 0.237 ( 0.128) 0.043 0.194
91 7.58 0.40 0.259 ( 0.127) 0.047 0.212
92 7.67 0.40 0.259 ( 0.126) 0.047 0.212
93 7.75 0.40 0.259 ( 0.126) 0.047 0.212
94 7.83 0.43 0.280 ( 0.125) 0.050 0.230
95 7.92 0.43 0.280 ( 0.125) 0.050 0.230
96 8.00 0.43 0.280 ( 0.124) 0.050 0.230
Item Number: 1.
97 8.08 0.50 0.323 ( 0.123) 0.058 0.265
98 8.17 0.50 0.323 ( 0.123) 0.058 0.265
99 8.25 0.50 0.323 ( 0.122) 0.058 0.265
100 8.33 0.50 0.323 ( 0.122) 0.058 0.265
101 8.42 0.50 0.323 ( 0.121) 0.058 0.265
102 8.50 0.50 0.323 ( 0.121) 0.058 0.265
103 8.58 0.53 0.345 ( 0.120) 0.062 0.283
104 8.67 0.53 0.345 ( 0.119) 0.062 0.283
105 8.75 0.53 0.345 ( 0.119) 0.062 0.283
106 8.83 0.57 0.367 ( 0.118) 0.066 0.301
107 8.92 0.57 0.367 ( 0.118) 0.066 0.301
108 9.00 0.57 0.367 ( 0.117) 0.066 0.301
109 9.08 0.63 0.410 ( 0.117) 0.074 0.336
110 9.17 0.63 0.410 ( 0.116) 0.074 0.336
111 9.25 0.63 0.410 ( 0.116) 0.074 0.336
112 9.33 0.67 0.431 ( 0.115) 0.078 0.354
113 9.42 0.67 0.431 ( 0.114) 0.078 0.354
114 9.50 0.67 0.431 ( 0.114) 0.078 0.354
115 9.58 0.70 0.453 ( 0.113) 0.081 0.371
116 9.67 0.70 0.453 ( 0.113) 0.081 0.371
117 9.75 0.70 0.453 ( 0.112) 0.081 0.371
118 9.83 0.73 0.474 ( 0.112) 0.085 0.389
119 9.92 0.73 0.474 ( 0.111) 0.085 0.389
120 10.00 0.73 0.474 ( 0.111) 0.085 0.389
121 10.08 0.50 0.323 ( 0.110) 0.058 0.265
122 10.17 0.50 0.323 ( 0.110) 0.058 0.265
123 10.25 0.50 0.323 ( 0.109) 0.058 0.265
124 10.33 0.50 0.323 ( 0.109) 0.058 0.265
125 10.42 0.50 0.323 ( 0.108) 0.058 0.265
126 10.50 0.50 0.323 ( 0.107) 0.058 0.265
127 10.58 0.67 0.431 ( 0.107) 0.078 0.354
128 10.67 0.67 0.431 ( 0.106) 0.078 0.354
129 10.75 0.67 0.431 ( 0.106) 0.078 0.354
130 10.83 0.67 0.431 ( 0.105) 0.078 0.354
131 10.92 0.67 0.431 ( 0.105) 0.078 0.354
132 11.00 0.67 0.431 ( 0.104) 0.078 0.354
133 11.08 0.63 0.410 ( 0.104) 0.074 0.336
134 11.17 0.63 0.410 ( 0.103) 0.074 0.336
135 11.25 0.63 0.410 ( 0.103) 0.074 0.336
136 11.33 0.63 0.410 ( 0.102) 0.074 0.336
137 11.42 0.63 0.410 ( 0.102) 0.074 0.336
138 11.50 0.63 0.410 ( 0.101) 0.074 0.336
139 11.58 0.57 0.367 ( 0.101) 0.066 0.301
140 11.67 0.57 0.367 ( 0.100) 0.066 0.301
141 11.75 0.57 0.367 ( 0.100) 0.066 0.301
142 11.83 0.60 0.388 ( 0.099) 0.070 0.318
143 11.92 0.60 0.388 ( 0.099) 0.070 0.318
144 12.00 0.60 0.388 ( 0.098) 0.070 0.318
145 12.08 0.83 0.539 ( 0.098) 0.097 0.442
146 12.17 0.83 0.539 ( 0.097) 0.097 0.442
Item Number: 1.
147 12.25 0.83 0.539 0.097 ( 0.097) 0.442
148 12.33 0.87 0.561 0.096 ( 0.101) 0.464
149 12.42 0.87 0.561 0.096 ( 0.101) 0.465
150 12.50 0.87 0.561 0.095 ( 0.101) 0.465
151 12.58 0.93 0.604 0.095 ( 0.109) 0.509
152 12.67 0.93 0.604 0.094 ( 0.109) 0.509
153 12.75 0.93 0.604 0.094 ( 0.109) 0.510
154 12.83 0.97 0.625 0.093 ( 0.113) 0.532
155 12.92 0.97 0.625 0.093 ( 0.113) 0.532
156 13.00 0.97 0.625 0.093 ( 0.113) 0.533
157 13.08 1.13 0.733 0.092 ( 0.132) 0.641
158 13.17 1.13 0.733 0.092 ( 0.132) 0.641
159 13.25 1.13 0.733 0.091 ( 0.132) 0.642
160 13.33 1.13 0.733 0.091 ( 0.132) 0.642
161 13.42 1.13 0.733 0.090 ( 0.132) 0.643
162 13.50 1.13 0.733 0.090 ( 0.132) 0.643
163 13.58 0.77 0.496 ( 0.089) 0.089 0.407
164 13.67 0.77 0.496 0.089 ( 0.089) 0.407
165 13.75 0.77 0.496 0.088 ( 0.089) 0.407
166 13.83 0.77 0.496 0.088 ( 0.089) 0.408
167 13.92 0.77 0.496 0.088 ( 0.089) 0.408
168 14.00 0.77 0.496 0.087 ( 0.089) 0.409
169 14.08 0.90 0.582 0.087 ( 0.105) 0.496
170 14.17 0.90 0.582 0.086 ( 0.105) 0.496
171 14.25 0.90 0.582 0.086 ( 0.105) 0.496
172 14.33 0.87 0.561 0.085 ( 0.101) 0.475
173 14.42 0.87 0.561 0.085 ( 0.101) 0.476
174 14.50 0.87 0.561 0.084 ( 0.101) 0.476
175 14.58 0.87 0.561 0.084 ( 0.101) 0.477
176 14.67 0.87 0.561 0.084 ( 0.101) 0.477
177 14.75 0.87 0.561 0.083 ( 0.101) 0.477
178 14.83 0.83 0.539 0.083 ( 0.097) 0.456
179 14.92 0.83 0.539 0.082 ( 0.097) 0.457
180 15.00 0.83 0.539 0.082 ( 0.097) 0.457
181 15.08 0.80 0.517 0.081 ( 0.093) 0.436
182 15.17 0.80 0.517 0.081 ( 0.093) 0.436
183 15.25 0.80 0.517 0.081 ( 0.093) 0.437
184 15.33 0.77 0.496 0.080 ( 0.089) 0.416
185 15.42 0.77 0.496 0.080 ( 0.089) 0.416
186 15.50 0.77 0.496 0.079 ( 0.089) 0.417
187 15.58 0.63 0.410 ( 0.079) 0.074 0.336
188 15.67 0.63 0.410 ( 0.079) 0.074 0.336
189 15.75 0.63 0.410 ( 0.078) 0.074 0.336
190 15.83 0.63 0.410 ( 0.078) 0.074 0.336
191 15.92 0.63 0.410 ( 0.077) 0.074 0.336
192 16.00 0.63 0.410 ( 0.077) 0.074 0.336
193 16.08 0.13 0.086 ( 0.077) 0.016 0.071
194 16.17 0.13 0.086 ( 0.076) 0.016 0.071
195 16.25 0.13 0.086 ( 0.076) 0.016 0.071
196 16.33 0.13 0.086 ( 0.075) 0.016 0.071
Item Number: 1.