FLOOD06389

• County: Statewide
• Community: State of Colorado
• Basin: Statewide
• Title: Urban Storm Runoff Inlet Hydrograph Study - Volume 4
• Date: 5/1/1975
• Prepared By: Cheng-lung Chen
• Floodplain - Doc Type: Flood Mitigation/Flood Warning/Watershed Restoration

Table 12. A list of major rainfall events with computed values of stonn parameters for six stations selected
from ARS experimental agricultural watersheds (ARS Black Book Series, 1933.67).
Location Date td a b c a(bc b/td "'I
City, State M/D/Y min. min. in./hr.
Riesel, 6/10/41 86 282.18 37.73 1.138 4.54 0.439 0.417
Texas 6/15/42 94 169.38 26.13 1.129 4.25 0.278 0.114
10/ 8/45 224 529.37 73.44 1.164 3.57 0.328 0.397
3/12/53 52 98.79 16.05 1.100 4.67 0.309 0.859
5/ 6/55 18 144.29 10.74 1.086 10.96 0.597 0.231
7/ 9/61 48 262.61 28.52 1.143 5.70 0.594 0.132
7/16/61 56 310.72 36.29 1.169 4.66 0.648 0
7/16/61 48 183.57 24.88 1.121 5.01 0.518 0.352
7/23/61 28 118.90 16.80 1.111 5.18 0.600 0.785
6/4/62 91 361.54 39.22 1.137 5.57 0.431 0.568
6/9/62 68 130.38 19.26 1.083 5.29 0.283 0.223
4/26/64 70 293.23 28.55 1.145 6.33 0.408 0.531
4/26/64 117 233.87 24.49 1.109 6.74 0.209 0.441
3/2'iJ65 340 971.22 94.37 1.144 5.36 0.278 0.274
5/10/65 302 167.63 24.88 1.083 5.16 0.082 0.006
2/8/66 175 626.25 71.56 1.176 4.13 0.409 0.927
8/12/66 520 310.04 110.00 1.035 2.39 0.212 0.289
.'
Hastings, 6/20/39 237 97.68 23.87 1.011 3.95 0.101 0.043
Nebraska 7/10/51 102 333.91 34.30 . r.117 6.44 0.336 0.270
7/10/51 187 404.71 40.94 1.110 6.56 0.219 0.405
5/15/60 108 316.14 34.22 1.119 6.06 0.317 0.663
5/15/60 105 378.53 45.55 1.148 4.72 0.434 0.683
5/15/60 275 1277.80 165.00 1.297 1.70 0.600 0.510
8/11/61 82 262.85 27.85 1.142 5.89 0.340 0.161
8/23/64 50 261.57 26.87 1.144 6.07 0.537 0.4 22
9/ 9/63 115 220.45 27.15 1.109 5.67 0.236 0.287
10/17/63 50 58.35 18.95 1.116 2.19 0.379 0.299
6/21/64 33 103.30 8.87 1.072 9.97 0.269 0
7/26/64 14 127.95 8.87 1.077 12.20 0.634 0
5/21/65 100 1332.31 81.25 1.260 5.23 0.813 0
5/22/65 127 73.63 13 .40 1.055 4.76 0.106 0.075
5/22/65 155 557.15 67.50 1.166 4.10 0.435 0.622
6/ l/65 65 450.73 56.09 1.223 3.27 0.863 0.186
6/12/65 65 154.34 18.79 1.111 5.94 0.289 0.137
6/12/65 115 176.53 51.48 1.205 1.53 0.448 0.326
Oxford, 1/22/57 120 2284.04 255.00 1.593 0.34 2.125 1.000
Mississippi 4/ 3/58 348 71163.35 615.00 1.895 0.37 1.767 0.189
9/11/58 470 . 6669.58 375.00 1.583 0.56 0.798 0.120
1/17/60 230 4144.07 325.00 1.549 0.53 1.413 0
3/ 2/60 540 4879.47 380.00 1.517 0.60 0.704 0.148
8/31/61 135 1402.70 135.62 1.366 1.72 1.005 0.522
8/31/61 105 228.32 54.37 1.172 2.11 0.518 0.341
6/11/62 75 1235.92 72.50 1.263 5.53 0.967 0.035
9/ 4/62 195 7052.05 225.00 1.522 1.86 1.154 0.207
7/20/63 140 396.45 34.10 1.144 6.99 0.244 0.695

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