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USGS Daily Statistics for Colorado

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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 09035900 SOUTH FORK OF WILLIAMS FORK NEAR LEAL, CO


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  39°47'45", Longitude 106°01'48" NAD27
Drainage area 27.4  square miles
Gage datum 8,950 feet above NGVD29
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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 1965-10-01 -> 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 8.3 7.8 7.5 9 21 127 124 35 18 14 12 10
2 8.3 7.9 7.6 9 22 131 117 34 18 14 12 10
3 8.2 7.8 7.6 8.9 24 136 112 34 18 14 12 10
4 8.2 7.7 7.6 9 26 143 106 33 18 14 12 10
5 8.2 7.7 7.6 9.2 27 151 100 32 17 14 12 9.8
6 8.2 7.7 7.6 9.4 29 160 96 31 17 14 12 9.8
7 8.3 7.7 7.6 9.7 31 164 92 30 17 14 12 9.8
8 8.2 7.7 7.7 10 33 167 91 29 17 14 12 9.7
9 8.2 7.6 7.7 10 35 168 87 28 17 14 12 9.6
10 8.2 7.6 7.7 11 37 168 84 27 17 14 12 9.5
11 8.1 7.6 7.7 11 39 167 80 27 17 14 11 9.4
12 8 7.6 7.6 11 41 169 77 27 17 14 11 9.4
13 8 7.6 7.7 11 43 167 73 26 17 14 11 9.4
14 8.1 7.7 7.6 12 46 167 69 25 16 14 11 9.3
15 8 7.7 7.7 12 50 166 65 24 16 13 11 9.3
16 8 7.6 7.7 12 55 167 61 24 16 13 11 9.2
17 8 7.6 7.8 13 60 170 59 24 16 13 11 9.1
18 8 7.6 7.9 13 64 171 57 23 16 13 11 9
19 8 7.6 7.9 14 69 173 55 23 15 13 11 9
20 8.1 7.6 7.9 13 74 173 53 23 15 13 11 9
21 8 7.6 8 14 78 172 51 22 15 13 11 9
22 8 7.7 8 14 82 169 48 22 15 13 11 8.9
23 8 7.6 8 15 85 163 46 22 15 13 11 8.9
24 8 7.6 8.1 17 89 157 44 22 15 13 10 8.8
25 7.9 7.6 8.2 17 93 150 43 22 15 13 10 8.7
26 7.8 7.6 8.3 17 95 144 41 21 15 13 10 8.6
27 7.8 7.5 8.4 18 99 141 39 21 14 13 10 8.6
28 7.8 7.5 8.5 18 107 137 38 20 15 12 10 8.5
29 7.8 7.6 8.6 18 114 134 38 20 14 13 10 8.4
30 7.8   8.7 20 118 129 37 19 14 12 10 8.4
31 7.8   8.8   121   36 18   12   8.3