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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 06480000 BIG SIOUX RIVER NEAR BROOKINGS,SD


Moody County, South Dakota
Hydrologic Unit Code 10170203
Latitude  44°10'49", Longitude  96°44'57" NAD27
Drainage area 3,338  square miles
Contributing drainage area 2,469  square miles
Gage datum 1,552.80 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 1953-10-01 -> 2024-09-30)

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 77 64 177 1,190 834 658 502 346 184 222 210 138
2 76 63 192 1,170 831 640 484 327 183 219 207 137
3 76 63 192 1,160 815 612 478 303 185 222 203 135
4 75 62 190 1,100 794 584 549 284 189 229 199 131
5 74 62 208 1,090 764 562 564 269 202 240 195 128
6 73 62 252 1,140 747 555 518 261 206 250 194 125
7 72 62 271 1,160 740 553 505 256 200 254 192 122
8 71 62 280 1,410 757 553 478 251 190 251 191 120
9 70 63 277 1,510 806 552 452 243 183 245 188 116
10 69 66 276 1,300 838 561 444 243 180 240 180 113
11 68 69 286 1,160 857 564 445 250 187 237 171 112
12 68 70 341 1,100 857 569 448 252 233 233 163 110
13 67 70 413 1,130 827 570 446 253 371 229 161 111
14 67 71 510 1,140 785 562 436 251 309 222 161 110
15 65 70 588 1,090 750 566 429 246 261 215 163 109
16 65 71 605 1,050 717 590 411 238 241 214 162 106
17 64 73 653 1,020 690 655 394 235 236 214 163 103
18 63 76 719 1,020 680 727 378 239 243 216 164 101
19 62 82 738 1,020 677 788 374 252 268 221 164 99
20 62 94 733 1,020 659 883 401 261 299 225 165 97
21 61 105 827 996 636 933 413 258 297 227 163 95
22 62 120 898 981 616 933 412 244 287 225 160 93
23 63 138 949 997 607 856 401 230 298 218 153 91
24 63 152 1,020 1,030 615 793 381 223 351 213 148 88
25 63 150 993 997 622 780 356 214 484 208 149 87
26 62 158 963 945 610 758 342 209 378 204 148 85
27 63 166 961 904 602 684 342 208 314 203 146 84
28 64 166 1,080 880 605 625 347 206 279 203 143 83
29 63 226 1,280 861 617 578 358 200 252 202 140 81
30 63   1,310 842 634 534 367 193 232 203 140 80
31 64   1,280   651   363 189   208   78