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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 06356500 SOUTH FORK GRAND R NEAR CASH,SD


Perkins County, South Dakota
Hydrologic Unit Code 10130302
Latitude  45°38'55.3", Longitude 102°38'34.4" NAD27
Drainage area 1,306  square miles
Contributing drainage area 1,306  square miles
Gage datum 2,424.17 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 1946-10-01 -> 2021-09-30)

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 6 8.2 64 157 59 86 60 27 21 14 21 11
2 5.9 8.7 65 195 68 71 64 23 20 26 18 11
3 5.8 9.1 71 214 75 69 72 26 16 48 16 11
4 5.7 9.1 66 186 70 60 64 32 14 31 15 11
5 5.6 10 84 193 66 52 52 32 13 22 15 10
6 5.5 14 114 289 66 102 42 33 16 21 15 9.7
7 5.3 13 141 346 76 80 51 24 20 27 15 9.4
8 5.3 13 185 264 100 70 58 24 35 37 15 9.2
9 5.2 12 179 158 141 65 53 28 24 36 14 8.9
10 5.2 11 157 113 161 87 36 27 26 37 14 9
11 5.3 10 137 120 126 70 28 22 21 39 14 8.8
12 5.3 11 187 167 102 64 26 20 25 38 14 8.7
13 5.3 11 177 202 95 58 30 18 17 33 14 8.5
14 5.6 13 192 197 93 78 38 22 15 26 14 8.1
15 7.8 16 186 343 78 84 37 20 16 26 14 8
16 9 26 177 342 85 128 52 17 15 26 14 7.9
17 11 28 270 194 83 81 51 16 15 23 16 7.9
18 11 34 287 138 61 113 49 29 17 22 17 7.7
19 10 26 260 117 54 158 45 31 15 22 16 7.5
20 8.5 25 226 109 65 111 36 27 16 21 14 7.3
21 7.4 21 265 109 107 84 42 19 17 18 13 7.4
22 6.7 26 334 110 99 67 49 17 18 19 13 7.4
23 7.4 34 409 111 96 87 42 18 18 19 13 7.1
24 8.2 28 385 100 73 84 40 23 16 17 12 6.9
25 8.3 30 266 78 88 59 38 30 17 17 11 6.8
26 8.4 37 211 63 105 52 35 19 21 16 11 6.9
27 9.6 53 196 57 80 88 54 16 21 15 11 6.9
28 11 72 187 66 77 80 57 14 17 15 10 6.9
29 10 222 154 67 78 80 38 15 15 16 11 6.8
30 8.7   134 63 96 64 36 13 13 22 11 6.4
31 8.3   126   93   27 16   24   6.1