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USGS Daily Statistics for South Dakota

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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 06401500 CHEYENNE RIVER BELOW ANGOSTURA DAM,SD


Fall River County, South Dakota
Hydrologic Unit Code 10120109
Latitude  43°20'42", Longitude 103°26'12" NAD27
Drainage area 9,097  square miles
Contributing drainage area 9,092  square miles
Gage datum 3,060.3 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 1950-10-01 -> 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 7.8 12 30 51 61 342 61 112 10 12 9.5 13
2 13 13 34 47 68 305 58 67 10 11 6.5 16
3 14 14 50 49 70 262 55 44 10 13 11 16
4 11 14 52 52 69 274 52 37 9.6 9.5 9.6 13
5 14 13 59 54 62 308 70 24 9.4 10 9 16
6 16 14 71 52 55 239 77 20 11 14 5.1 13
7 17 12 68 48 53 308 65 18 11 12 11 10
8 13 10 90 44 65 264 60 20 10 12 8.6 10
9 14 12 92 42 91 149 53 17 10 10 8.6 13
10 14 13 83 42 92 115 50 14 11 12 11 15
11 11 14 71 43 88 194 55 15 10 9.6 9 12
12 14 14 80 45 79 302 39 14 11 9.7 14 15
13 17 14 102 51 81 257 49 16 11 12 11 13
14 16 13 112 50 91 257 85 14 11 12 14 11
15 13 13 111 41 85 213 55 16 10 12 12 13
16 17 15 120 45 94 337 48 15 9.6 9.7 9.2 15
17 14 16 105 41 83 486 143 14 11 11 12 16
18 11 19 102 31 84 555 120 15 9.1 9 15 12
19 15 20 122 40 154 382 50 15 11 8.9 13 18
20 17 24 130 61 334 285 73 16 11 9.5 11 14
21 24 21 149 81 304 237 101 14 11 6.9 15 11
22 27 18 159 87 118 198 72 16 10 6.8 12 14
23 30 28 171 117 126 159 58 13 10 4.6 9.5 16
24 24 36 180 106 219 143 48 13 11 6.8 12 16
25 19 39 149 79 363 153 40 14 9.1 4.1 14 7.7
26 22 38 117 60 394 112 39 15 11 4.2 15 13
27 25 32 110 49 315 94 32 16 11 6.7 8.4 13
28 22 31 97 42 297 87 23 14 12 6.8 12 11
29 17 38 92 39 394 70 36 16 10 6.9 12 14
30 20   79 48 405 66 39 13 9.9 5.7 9.1 16
31 17   62   338   28 14   11   16