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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 06357800 GRAND RIVER AT LITTLE EAGLE,SD


Corson County, South Dakota
Hydrologic Unit Code 10130303
Latitude  45°39'28", Longitude 100°49'04" NAD27
Drainage area 5,316  square miles
Contributing drainage area 5,316  square miles
Gage datum 1,625.89 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 1958-10-01 -> 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 36 52 304 954 526 445 331 118 84 79 105 62
2 37 54 291 958 497 368 328 116 86 91 94 62
3 37 78 250 846 428 375 260 104 95 96 92 59
4 36 73 245 755 375 291 248 118 105 86 90 56
5 36 60 232 686 346 245 234 172 91 92 84 54
6 35 57 297 636 329 255 241 144 85 119 83 51
7 35 64 348 599 369 348 263 134 82 160 80 49
8 35 85 365 588 432 415 233 127 92 150 81 46
9 34 112 433 616 628 466 263 114 128 147 78 46
10 34 180 413 651 755 534 244 100 130 134 78 46
11 34 168 566 631 671 370 202 108 94 141 78 45
12 34 182 648 667 643 337 190 139 92 140 76 44
13 34 150 765 724 570 369 196 176 99 180 78 43
14 34 133 803 684 483 426 238 171 103 201 76 42
15 36 135 779 674 418 323 216 135 91 192 77 41
16 37 136 847 654 433 296 187 118 82 189 80 41
17 37 126 890 592 402 340 284 110 76 159 79 42
18 37 135 968 583 381 320 262 154 74 160 78 41
19 51 139 915 585 347 386 203 125 73 175 75 41
20 97 156 922 627 365 532 239 112 86 148 70 40
21 90 196 1,190 597 373 399 211 106 106 142 69 40
22 66 202 1,540 652 425 399 188 103 132 225 66 39
23 51 192 1,900 656 496 368 173 113 136 176 69 39
24 49 197 1,600 602 606 331 144 213 109 127 68 38
25 51 206 1,350 552 477 323 146 304 121 110 68 38
26 67 238 1,190 487 436 329 133 141 110 102 69 38
27 83 236 1,280 495 434 295 149 116 97 98 69 38
28 77 246 1,370 497 413 266 198 102 85 109 64 37
29 70 284 1,210 592 396 254 177 128 80 102 65 37
30 64   1,020 609 395 293 145 109 80 96 62 36
31 55   969   448   129 96   108   36