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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 06386500 CHEYENNE RIVER NEAR SPENCER, WY


Niobrara County, Wyoming
Hydrologic Unit Code 10120106
Latitude  43°25'16", Longitude 104°07'52" NAD27
Drainage area 5,323  square miles
Contributing drainage area 5,322  square miles
Gage datum 3,581.76 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 1948-10-01 -> 2025-09-30)

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 0.31 1.7 27 16 31 204 45 92 5.9 1.8 2.1 1.1
2 0.31 3.2 18 14 42 124 73 50 39 1.7 1.5 1.1
3 0.3 22 18 12 32 133 107 27 17 1.7 1.2 1.2
4 0.31 15 23 10 23 158 73 25 49 1.5 1.1 0.9
5 0.33 12 21 10 23 195 67 24 53 1.6 1.2 0.75
6 0.34 12 28 15 31 158 46 46 19 2 1.1 0.59
7 0.35 10 24 13 80 137 48 65 25 9.3 1 0.64
8 0.34 7.3 20 13 61 99 47 148 45 6.3 0.97 0.61
9 0.32 6.4 21 13 42 99 58 93 61 6.9 0.96 0.6
10 0.31 8.1 34 16 40 117 69 34 80 8 1.1 0.58
11 0.32 8.3 47 44 33 100 94 26 21 10 1.6 0.62
12 0.32 10 55 54 36 118 76 54 24 11 2 0.65
13 0.34 9.7 58 31 31 121 96 45 19 12 1.9 0.66
14 0.35 11 37 45 34 145 104 39 15 32 1.7 0.63
15 0.38 10 24 65 52 155 55 22 10 16 1.4 0.7
16 5.8 22 19 43 55 250 49 25 9.5 12 1.4 0.72
17 18 27 17 32 64 473 78 60 7.4 6.5 1.3 0.66
18 10 25 18 34 58 410 97 35 4.8 4.9 1.2 0.55
19 7.7 23 19 37 70 241 172 30 3.7 4.2 1.1 0.52
20 7.1 18 18 34 62 163 190 43 7.6 3.4 0.94 0.5
21 4.3 15 16 22 59 144 61 43 10 2.9 0.88 0.48
22 3.7 20 14 20 163 110 150 26 8.6 2.6 0.87 0.47
23 3.4 17 13 18 425 132 67 26 4.6 2.3 0.88 0.49
24 2.5 33 12 16 434 176 50 13 3.4 2.2 0.92 0.43
25 2.4 39 11 15 393 121 37 8.1 2.6 2 1.1 0.6
26 2.4 25 11 14 320 94 31 5.2 2.4 3.4 1 0.59
27 2.2 20 10 15 428 189 26 4.1 2 4.6 0.99 0.53
28 2.2 17 9.5 27 279 174 130 4.7 3.2 2.9 0.96 0.39
29 2.1 27 8.7 35 273 75 102 3 2.9 2.2 1.1 0.36
30 2.1   9.8 37 185 48 77 2.7 2.4 1.8 1.2 0.36
31 1.8   19   260   145 2.5   1.7   0.34