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USGS Daily Statistics for California

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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 11458500 SONOMA C A AGUA CALIENTE CA


Sonoma County, California
Hydrologic Unit Code 18050002
Latitude  38°19'24", Longitude 122°29'36" NAD27
Drainage area 58.4  square miles
Gage datum 96.59 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 1954-10-01 -> 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
1 152 165 159 149 21 7.8 2.8 1.2 0.82 0.64 3.4 111
2 168 147 162 137 20 9 2.8 1.2 0.76 0.76 3.8 148
3 133 139 142 107 24 7.8 2.6 1.2 0.71 0.75 5 115
4 272 189 148 91 21 7.9 2.5 1.1 0.73 0.68 4.4 102
5 317 160 180 86 22 8.2 2.4 1.1 0.67 0.89 4.4 64
6 179 163 200 121 19 7.1 2.4 1.1 0.65 0.8 7.1 50
7 140 259 160 103 17 6.6 2.3 1.1 0.65 0.76 6.1 42
8 199 243 125 80 19 6.3 2.3 1.1 0.67 0.7 5.3 54
9 238 281 116 71 21 6.6 2.3 1 0.77 0.93 11 28
10 186 182 152 61 17 6.2 2.2 0.99 0.72 1.4 16 47
11 252 142 116 78 15 5.9 2 1 0.65 2.1 15 97
12 247 197 120 90 14 5.6 1.9 1 0.62 22 20 46
13 233 254 126 69 13 5.3 1.9 0.96 0.65 45 19 93
14 327 216 154 63 13 5.1 1.9 0.91 0.59 11 21 101
15 225 181 122 57 13 4.9 1.8 0.9 0.58 4.7 16 159
16 387 225 153 55 13 4.7 1.8 0.9 0.59 2.9 22 160
17 193 272 108 48 12 4.6 1.7 0.88 0.59 2.3 41 94
18 227 247 88 48 26 4.4 1.7 0.84 2.8 1.8 24 118
19 228 250 103 43 25 4.3 1.6 0.9 0.66 2.2 23 195
20 318 260 128 41 18 4.1 1.6 0.88 0.6 1.9 25 164
21 403 196 173 47 16 3.9 1.5 0.88 0.56 1.6 86 199
22 229 232 188 38 13 3.8 1.5 0.89 0.54 1.8 82 286
23 190 156 130 36 12 3.6 1.4 0.86 0.57 4.7 32 279
24 166 210 125 35 11 3.5 1.4 0.84 0.55 68 21 198
25 190 199 131 32 10 3.5 1.4 0.88 0.56 25 9 123
26 200 273 122 31 10 3.4 1.3 0.94 0.55 7.7 8.4 161
27 161 245 145 28 10 3.1 1.3 0.91 0.69 3.9 17 202
28 136 187 137 28 9.7 3.1 1.2 0.94 0.7 3.7 50 184
29 201 121 135 26 8.9 3 1.3 0.88 0.69 3.2 45 206
30 205   142 23 8.3 2.9 1.3 0.84 0.64 4.4 88 188
31 206   107   8   1.2 0.84   2.9   300