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USGS Surface-Water Daily Statistics for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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 -> 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 0.31 1.7 28 16 31 208 46 94 6 1.9 2.1 1.1
2 0.31 3.2 19 14 43 127 74 51 40 1.6 1.5 1.1
3 0.3 22 19 13 32 136 109 27 18 1.6 1.2 1.2
4 0.31 15 24 10 23 162 74 25 50 1.4 1.1 0.9
5 0.33 12 21 10 23 199 68 24 54 1.6 1.2 0.75
6 0.34 12 29 16 31 161 46 47 19 1.9 1.1 0.59
7 0.35 10 25 13 81 140 49 67 26 9.4 1 0.64
8 0.34 7.3 20 13 62 101 48 152 46 6.4 0.97 0.61
9 0.32 6.4 21 13 42 101 59 95 62 6.9 0.96 0.6
10 0.31 8.1 35 16 40 119 71 35 82 8.1 1.1 0.58
11 0.32 8.3 48 45 33 102 96 26 21 10 1.6 0.62
12 0.32 10 56 55 36 120 77 55 25 10 2 0.65
13 0.34 9.7 59 30 31 124 98 46 20 8.7 1.9 0.66
14 0.35 11 37 44 34 148 106 40 15 8.5 1.7 0.63
15 0.38 10 25 64 52 158 56 23 10 5.8 1.4 0.7
16 5.8 22 20 42 55 256 50 26 9.7 4.2 1.4 0.72
17 18 27 17 32 64 483 80 62 7.6 3 1.3 0.66
18 10 25 18 34 59 420 99 36 4.9 2.5 1.2 0.55
19 7.7 23 19 37 70 246 176 30 3.8 2.4 1.1 0.52
20 7.1 18 18 34 62 167 194 44 7.8 2 0.94 0.5
21 4.3 15 16 22 59 147 62 44 10 1.7 0.88 0.48
22 3.7 20 14 20 166 112 153 26 8.8 1.5 0.87 0.47
23 3.4 17 13 18 434 135 68 27 4.7 1.4 0.88 0.49
24 2.5 34 13 16 443 179 51 13 3.4 1.4 0.92 0.43
25 2.4 39 11 15 401 124 38 8.3 2.6 1.2 1.1 0.6
26 2.4 26 11 14 326 96 32 5.4 2.5 2.7 1 0.59
27 2.2 20 10 15 437 193 27 4.2 2 4.6 0.99 0.53
28 2.2 17 9.5 27 285 178 132 4.8 3.3 2.9 0.96 0.39
29 2.1 29 8.7 36 278 77 104 3.1 3 2.2 1.1 0.36
30 2.1   9.8 37 188 49 78 2.7 2.5 1.8 1.2 0.36
31 1.8   19   265   148 2.5   1.7   0.34