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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 61 345 62 112 10 12 9.5 13
2 13 13 34 47 68 309 59 67 10 11 6.5 16
3 14 14 50 49 70 266 56 44 10 13 11 16
4 11 14 52 52 69 277 52 37 9.6 9.5 9.6 13
5 14 13 59 54 62 312 71 24 9.4 10 9 16
6 16 14 71 52 55 242 78 20 11 14 5.1 13
7 17 12 68 48 53 312 66 18 11 12 11 10
8 13 10 90 44 65 267 61 20 10 12 8.6 10
9 14 12 92 42 91 151 54 17 10 10 8.6 13
10 14 13 83 42 92 116 51 14 11 12 11 15
11 11 14 71 43 88 196 56 15 10 9.6 9 12
12 14 14 80 45 79 306 39 14 11 9.7 14 15
13 17 14 102 51 81 261 50 16 11 12 11 13
14 16 13 112 50 90 260 86 14 11 12 14 11
15 13 13 111 41 85 216 55 16 10 12 12 13
16 17 15 120 45 93 341 49 15 9.6 9.7 9.2 15
17 14 16 105 41 83 492 145 14 11 11 12 16
18 11 19 102 31 84 563 122 15 9.1 9 15 12
19 15 20 122 40 155 388 50 15 11 8.9 13 18
20 17 24 130 61 338 289 74 16 11 9.5 11 14
21 24 21 149 81 307 241 103 14 11 6.9 15 11
22 27 18 159 87 118 201 73 16 10 6.8 12 14
23 30 28 171 117 126 161 59 13 10 4.6 9.5 16
24 24 36 180 106 220 145 48 13 11 6.8 12 16
25 19 39 149 79 366 155 41 14 9.1 4.1 14 7.7
26 22 38 117 60 398 113 40 15 11 4.2 15 13
27 25 32 110 49 318 95 33 16 11 6.7 8.4 13
28 22 31 97 42 300 88 24 14 12 6.8 12 11
29 17 38 92 39 398 71 37 16 10 6.9 12 14
30 20   79 48 409 67 40 13 9.9 5.7 9.1 16
31 17   62   342   28 14   11   16