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USGS Daily Statistics for South Dakota

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 06479525 BIG SIOUX R NEAR CASTLEWOOD,SD


Hamlin County, South Dakota
Hydrologic Unit Code 10170202
Latitude  44°43'53.7", Longitude  97°02'39.5" NAD27
Drainage area 1,096  square miles
Contributing drainage area 579  square miles
Gage datum 1,668.47 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1976-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 21 17 46 381 285 168 103 75 49 58 57 40
2 20 17 46 387 273 158 108 72 55 61 57 39
3 19 17 43 366 259 143 106 77 56 58 56 36
4 19 17 43 353 250 135 105 82 54 57 56 35
5 19 17 42 362 242 139 109 81 53 58 54 33
6 18 17 45 378 240 148 122 80 51 57 52 31
7 18 17 47 393 238 145 128 78 50 55 50 30
8 18 17 51 425 240 147 116 75 51 45 49 30
9 18 17 50 416 256 142 115 76 56 46 46 31
10 18 18 51 407 263 136 109 96 55 46 47 31
11 18 19 60 402 249 141 107 98 53 45 45 30
12 18 19 80 409 236 144 107 86 56 44 45 29
13 18 23 123 398 229 144 102 80 65 44 45 28
14 18 22 139 387 224 136 97 74 65 43 46 28
15 17 23 166 389 218 139 99 73 60 46 45 27
16 18 23 191 383 211 163 93 72 72 47 44 27
17 18 28 214 372 203 187 89 68 67 50 42 27
18 17 34 226 364 197 163 90 74 59 52 42 26
19 17 41 236 382 196 150 93 80 56 54 41 25
20 17 44 230 383 191 143 88 72 55 51 40 24
21 17 42 210 369 181 148 84 77 57 48 39 24
22 17 40 221 375 176 166 81 75 55 46 40 23
23 17 50 263 378 175 177 81 65 56 46 40 23
24 17 61 279 368 173 161 81 61 63 46 39 22
25 17 61 289 348 166 142 87 58 61 45 39 22
26 17 56 293 329 160 131 91 56 57 47 38 22
27 17 53 338 317 154 122 86 55 53 49 39 22
28 17 51 366 311 158 115 83 59 53 52 40 22
29 17 70 358 306 161 108 83 56 51 58 41 22
30 17   358 295 155 102 78 52 52 56 42 22
31 17   367   158   79 52   56   21