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USGS Daily Statistics for the Nation

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 05050000 BOIS DE SIOUX RIVER NEAR WHITE ROCK, SD


Roberts County, South Dakota
Hydrologic Unit Code 09020101
Latitude  45°51'45", Longitude  96°34'25" NAD27
Drainage area 1,160  square miles
Gage datum 960.43 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 1941-10-01 -> 2025-09-30)

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 19 17 76 235 493 355 282 122 73 58 81 30
2 19 17 98 234 478 354 276 120 71 58 78 32
3 18 17 110 242 472 340 263 117 65 61 74 33
4 17 17 120 251 467 336 248 112 58 63 73 33
5 17 17 136 248 466 338 251 117 57 67 72 32
6 17 17 149 259 461 343 248 123 58 69 69 34
7 17 18 155 283 456 348 253 121 59 68 65 35
8 17 20 161 307 443 335 260 114 61 66 61 35
9 17 23 170 323 437 327 247 106 62 64 56 36
10 17 24 173 351 429 327 239 100 62 64 51 38
11 17 24 178 408 419 322 245 95 59 64 51 34
12 17 25 180 491 409 316 260 91 59 63 50 33
13 17 25 187 534 410 299 268 90 57 64 52 30
14 18 25 188 559 415 302 267 90 57 63 51 24
15 18 25 180 572 416 307 260 92 59 61 51 21
16 18 25 181 588 413 292 240 92 61 59 51 20
17 18 25 183 582 406 281 236 93 62 59 49 18
18 18 29 180 595 406 287 236 92 62 57 45 18
19 18 32 177 599 401 295 231 92 61 56 45 18
20 18 33 174 591 388 297 222 91 60 55 49 18
21 18 34 171 591 388 295 213 88 60 54 50 17
22 19 38 166 593 397 292 201 80 61 55 49 17
23 19 43 161 583 397 305 177 78 63 55 48 16
24 19 46 162 567 389 314 163 79 66 57 42 16
25 18 49 169 558 379 316 164 80 65 61 37 17
26 16 54 179 542 368 310 156 80 62 61 32 18
27 15 59 180 518 358 299 147 78 56 58 29 20
28 15 61 178 510 355 296 146 77 57 61 28 20
29 16 39 181 503 350 292 141 76 57 67 27 19
30 17   209 495 350 288 132 74 58 71 28 19
31 17   234   353   130 74   77   19