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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 11451715 BEAR C AB HOLSTEN CHIMNEY CYN NR RUMSEY CA


Colusa County, California
Hydrologic Unit Code 18020116
Latitude  38°57'28", Longitude 122°20'30" NAD27
Drainage area 94.9  square miles
Gage datum 818.49 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 1997-10-01 -> 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 96 93 102 78 22 13 4.2 1.7 1.4 1.6 2.9 34
2 120 163 138 59 22 12 4 1.7 1.4 1.7 3 89
3 71 199 126 74 25 12 3.9 1.7 1.4 1.7 2.8 33
4 108 207 124 63 23 12 3.7 1.7 1.3 1.8 2.8 19
5 107 185 133 62 22 14 3.6 1.6 1.4 1.9 2.7 24
6 67 164 170 57 20 13 3.5 1.6 1.4 1.9 2.6 20
7 85 265 116 63 20 10 3.3 1.6 1.4 1.8 2.7 22
8 187 125 77 52 19 10 3.2 1.6 1.4 1.8 3.5 33
9 151 168 83 45 22 10 3.1 1.6 1.4 1.8 3.4 15
10 155 106 116 41 19 9.3 3 1.6 1.5 1.8 3.2 26
11 157 82 89 62 17 9.1 2.9 1.5 1.5 1.9 3.4 67
12 130 82 83 107 20 8.9 2.9 1.5 1.4 1.8 3.5 33
13 88 201 96 68 20 8.5 2.8 1.4 1.4 2 3.4 16
14 108 211 138 54 17 7.9 2.8 1.4 1.4 2.1 3.1 129
15 84 93 111 45 17 7.5 2.7 1.4 1.4 2 2.9 72
16 93 174 75 46 18 7.1 2.6 1.4 1.4 2 3 123
17 89 315 79 43 17 6.9 2.5 1.4 1.4 2 3.1 40
18 100 211 75 39 17 6.7 2.4 1.4 1.5 2 3 27
19 140 203 76 36 20 6.4 2.3 1.4 1.5 2.6 3.1 51
20 143 174 119 35 18 6.1 2.3 1.4 1.5 2.3 3.6 81
21 104 213 88 34 16 5.9 2.2 1.5 1.6 2.1 18 93
22 135 126 139 32 15 5.6 2.1 1.5 1.5 2.1 47 98
23 76 150 104 32 14 5.3 2.1 1.5 1.6 2.2 21 93
24 65 135 107 30 13 5.2 2.1 1.5 1.6 26 17 74
25 151 160 101 29 13 4.9 2 1.4 1.6 19 8.7 41
26 152 168 77 28 13 4.8 1.9 1.4 1.6 4.9 7.1 44
27 92 203 70 27 13 4.7 1.9 1.4 1.6 3.3 7.3 89
28 65 123 88 27 28 4.6 1.8 1.4 1.6 3 5.4 122
29 64 108 76 27 52 4.6 1.7 1.4 1.6 3 15 183
30 46   75 26 22 4.3 1.7 1.4 1.6 3 63 124
31 58   81   15   1.7 1.4   2.9   207