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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 09035700 WILLIAMS FORK ABOVE DARLING CREEK, NEAR LEAL, CO


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  39°47'49.9", Longitude 106°01'32.3" NAD83
Drainage area 35.2  square miles
Gage datum 8,940 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 6.9 6.2 6 8.5 22 142 187 41 18 14 10 8.5
2 6.9 6.2 6 8.7 23 146 176 38 18 13 11 8.6
3 6.8 6.1 6 8.8 25 155 166 38 17 13 11 8.5
4 6.8 6 6 8.9 27 167 155 37 17 13 10 8.4
5 6.8 6 6 9.2 29 180 149 36 16 13 10 8.3
6 6.8 6 6.1 9.5 31 198 143 35 16 13 10 8.2
7 6.7 6 6.1 9.7 33 205 135 33 16 13 9.9 8.3
8 6.7 6 6.1 10 34 207 132 31 16 13 10 8.2
9 6.7 6 6.1 10 36 209 127 29 16 13 10 8.1
10 6.6 6 6.2 10 40 208 122 28 16 13 9.8 8
11 6.6 5.9 6.2 11 41 210 115 28 15 13 9.6 8
12 6.6 5.9 6.3 11 42 216 109 27 15 13 9.6 7.9
13 6.5 6 6.4 12 44 214 103 25 15 13 9.5 7.9
14 6.5 6 6.4 13 48 213 98 23 15 12 9.4 7.9
15 6.4 6 6.5 13 53 215 90 23 15 12 9.2 7.8
16 6.4 6 6.5 13 59 218 83 23 15 12 9.4 7.8
17 6.4 6 6.7 14 66 221 77 22 15 12 9.4 7.7
18 6.4 6 6.8 14 70 226 73 22 14 12 9.3 7.7
19 6.4 6 6.9 15 76 229 70 22 14 12 9.3 7.6
20 6.4 6 7 15 81 231 67 22 14 12 9.2 7.6
21 6.3 6 7.2 15 86 232 67 21 14 11 9.1 7.6
22 6.2 6 7.4 15 89 236 63 21 15 11 8.9 7.5
23 6.2 6 7.5 16 91 229 60 20 14 11 8.9 7.5
24 6.2 6 7.5 17 97 225 56 20 14 11 8.9 7.4
25 6.2 6 7.6 17 101 219 55 20 14 11 8.9 7.3
26 6.2 6 7.7 18 104 215 53 20 14 11 8.7 7.2
27 6.2 6 7.7 19 105 209 49 19 14 11 8.5 7.2
28 6.1 6 7.9 20 113 205 48 19 14 11 8.5 7.2
29 6.1 6.5 8 20 125 200 46 19 14 11 8.5 7.2
30 6.1   8.2 21 130 194 45 18 14 11 8.5 7.1
31 6.2   8.4   135   43 17   11   7.5