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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 9.6 39 300 147 133 69 36 19 15 38 21
2 12 9.7 33 271 141 155 74 37 18 20 32 20
3 11 9.9 33 268 133 131 58 54 18 31 28 19
4 11 9.8 42 284 117 89 70 39 19 28 27 18
5 11 9.9 59 288 101 79 98 31 17 25 25 17
6 11 10 61 329 97 72 101 30 15 27 24 17
7 11 9.9 63 361 101 98 106 28 14 25 24 16
8 11 9.9 69 421 95 111 102 27 13 24 23 15
9 10 9.9 74 322 106 87 81 27 13 24 22 15
10 10 10 71 261 131 77 68 30 14 29 22 15
11 10 11 76 267 109 98 58 35 16 26 21 15
12 10 11 98 265 95 155 53 29 17 23 21 15
13 9.9 11 158 278 104 119 44 34 27 21 21 14
14 9.8 12 225 216 138 112 41 60 23 20 21 14
15 9.8 12 201 237 128 129 44 35 17 21 20 14
16 9.8 13 237 226 99 125 40 25 15 23 20 14
17 9.7 15 217 199 101 110 43 23 14 27 21 14
18 9.7 15 224 197 108 100 73 25 14 26 23 14
19 9.7 15 221 238 108 101 71 27 13 25 22 13
20 9.6 15 197 202 97 126 76 25 14 23 22 13
21 9.6 18 204 180 111 108 54 23 17 23 22 13
22 9.6 21 267 170 97 114 50 20 16 33 20 13
23 9.6 29 321 170 119 127 40 18 15 41 20 12
24 9.6 33 330 157 113 98 36 17 32 31 19 12
25 9.7 34 309 150 113 80 47 16 42 27 20 12
26 9.6 33 273 138 106 66 60 16 24 29 20 12
27 9.6 36 280 136 85 60 60 18 22 34 20 12
28 9.5 37 320 129 82 55 70 19 18 33 20 12
29 9.4 58 327 127 87 58 58 20 16 35 22 12
30 9.4   320 138 87 66 45 21 15 32 22 12
31 9.5   346   135   36 18   38   12