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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
1 154 169 157 148 21 7.8 2.8 1.2 0.82 0.64 3.4 109
2 169 168 160 136 20 9 2.8 1.2 0.76 0.76 3.8 146
3 135 153 140 106 24 7.8 2.6 1.2 0.71 0.75 5 113
4 270 264 146 91 21 7.9 2.5 1.1 0.73 0.68 4.4 101
5 314 179 178 86 22 8.2 2.4 1.1 0.67 0.89 4.4 63
6 178 175 197 120 19 7.1 2.4 1.1 0.65 0.8 7.1 49
7 139 268 158 102 17 6.6 2.3 1.1 0.65 0.76 6.1 41
8 196 247 124 79 19 6.3 2.3 1.1 0.67 0.7 5.3 53
9 235 282 115 70 21 6.6 2.3 1 0.77 0.93 11 27
10 184 183 150 60 17 6.2 2.2 0.99 0.72 1.4 16 46
11 249 144 114 78 15 5.9 2 1 0.65 2.1 15 96
12 243 196 119 89 14 5.6 1.9 1 0.62 22 20 46
13 230 273 125 68 13 5.3 1.9 0.96 0.65 45 19 93
14 321 228 156 62 13 5.1 1.9 0.91 0.59 11 21 132
15 221 187 123 56 13 4.9 1.8 0.9 0.58 4.7 16 165
16 380 228 153 54 13 4.7 1.8 0.9 0.59 2.9 22 168
17 190 272 114 48 12 4.6 1.7 0.88 0.59 2.3 41 100
18 223 247 90 48 26 4.4 1.7 0.84 2.8 1.8 24 121
19 224 248 104 43 25 4.3 1.6 0.9 0.66 2.2 23 195
20 312 258 128 41 18 4.1 1.6 0.88 0.6 1.9 25 164
21 396 195 171 47 16 3.9 1.5 0.88 0.56 1.6 86 198
22 225 230 186 38 13 3.8 1.5 0.89 0.54 1.8 82 284
23 187 155 129 36 12 3.6 1.4 0.86 0.57 4.7 32 279
24 163 208 124 34 11 3.5 1.4 0.84 0.55 68 21 203
25 187 197 130 32 10 3.5 1.4 0.88 0.56 25 12 126
26 196 269 120 30 10 3.4 1.3 0.94 0.55 7.7 11 163
27 158 242 144 28 10 3.1 1.3 0.91 0.69 3.9 18 211
28 134 184 136 28 9.7 3.1 1.2 0.94 0.7 3.7 50 188
29 198 121 133 26 8.9 3 1.3 0.88 0.69 3.2 45 217
30 201   141 23 8.3 2.9 1.3 0.84 0.64 4.4 87 194
31 202   106   8   1.2 0.84   2.9   300