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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 05291000 WHETSTONE RIVER NEAR BIG STONE CITY, SD


Grant County, South Dakota
Hydrologic Unit Code 07020001
Latitude  45°17'30", Longitude  96°29'14" NAD27
Drainage area 398  square miles
Gage datum 995.12 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 1909-10-01 -> 2023-09-30)

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 12 9.7 39 297 149 132 69 36 19 15 38 21
2 12 9.8 33 269 142 154 73 36 18 20 32 20
3 12 9.9 33 265 134 130 58 53 18 31 28 19
4 11 9.9 41 282 118 89 69 39 19 28 27 18
5 11 10 58 286 102 78 98 31 17 25 25 17
6 11 10 61 326 98 72 100 30 15 27 24 17
7 11 10 62 358 102 97 105 28 14 25 23 16
8 11 10 68 417 95 111 102 27 13 24 23 15
9 10 10 73 319 107 87 81 26 13 24 22 15
10 10 10 71 259 131 77 67 30 14 29 22 15
11 10 11 75 285 110 97 57 35 16 26 21 15
12 10 11 97 405 96 154 53 29 17 23 21 15
13 10 12 156 367 104 118 44 34 27 21 21 15
14 9.9 12 223 255 138 111 40 60 23 20 21 14
15 9.8 12 199 261 129 128 44 35 17 21 20 14
16 9.9 13 234 240 100 124 40 26 15 23 20 14
17 9.8 15 215 207 101 110 43 23 14 27 21 14
18 9.8 15 222 202 108 99 72 26 14 26 22 14
19 9.8 15 219 242 108 100 70 27 13 25 22 14
20 9.7 15 195 207 97 125 75 25 14 23 22 13
21 9.7 18 202 188 111 108 53 23 17 23 22 13
22 9.7 21 264 177 97 113 50 21 16 33 20 13
23 9.7 29 318 174 119 126 40 18 15 41 20 12
24 9.7 33 327 160 113 98 36 17 32 31 19 12
25 9.8 34 306 153 113 79 47 16 42 27 20 12
26 9.7 33 270 140 106 66 60 16 24 29 20 12
27 9.7 36 278 138 85 60 59 18 22 34 20 12
28 9.6 37 317 131 82 55 70 19 18 33 20 13
29 9.5 58 324 129 87 58 58 20 16 35 22 13
30 9.5   317 141 87 66 45 21 15 32 22 12
31 9.6   342   135   36 18   37   12