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USGS Surface-Water 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 11466200 SANTA ROSA C A SANTA ROSA CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°26'12", Longitude 122°43'25" NAD27
Drainage area 57.0  square miles
Gage datum 100.00 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 1939-10-01 -> 2024-09-30)

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
1 214 97 189 133 54 8.2 4.2 4 2.4 0.95 15 137
2 245 116 216 96 58 7.8 4.3 4 2.3 4.5 10 155
3 163 131 187 101 144 7.5 4.1 4 2.2 2.5 9.4 65
4 255 160 122 213 71 7.1 1.4 4 2.2 2.6 6.7 32
5 214 131 155 120 52 7.2 1.2 4 2.1 5.7 5.7 55
6 215 137 220 107 39 6.8 1.2 3.9 2 1.7 5.5 79
7 156 190 139 117 34 6.5 1.2 3.9 2.2 1.1 24 54
8 290 223 91 75 30 6 1 3.8 2.6 0.99 26 36
9 285 343 119 56 29 5.6 1.1 3.7 2.3 1.2 24 36
10 241 226 210 79 24 5.4 1.1 3.6 2.1 5.7 12 70
11 159 123 133 82 24 5.5 1.1 3.6 2 1.5 14 153
12 118 84 113 113 23 3 1.1 3.7 2.1 5.3 25 88
13 161 164 147 90 26 3 1.1 3.7 2.1 16 13 135
14 168 158 195 59 23 5.7 1 3.9 2.2 2.8 7.8 164
15 127 132 162 46 21 5.6 1 3.8 2.2 3.5 8.2 198
16 141 224 148 61 20 5.7 0.95 3.6 2.2 2.8 13 201
17 126 284 95 41 19 5.7 1 3.8 2.2 2.4 12 121
18 157 211 79 37 16 5.8 1 3.7 2.2 1.3 13 147
19 188 179 100 33 19 5.7 1 3.7 2.1 2.3 19 164
20 209 179 130 35 29 5.6 1 3.7 2.1 2.3 25 177
21 196 114 112 34 19 5.6 0.75 3.1 2.2 2 29 235
22 234 141 173 35 16 5.3 0.75 2.4 2.3 10 24 214
23 196 108 105 25 14 5.3 0.6 2.5 2 6.6 18 224
24 121 138 133 32 13 5.3 0.55 2.5 2.1 195 29 196
25 238 177 128 30 13 5.2 0.55 2.5 2.2 83 14 209
26 182 361 122 26 12 5.7 0.6 0.3 2.3 27 16 180
27 105 471 110 23 12 5.2 0.5 0.3 2.4 8.3 15 221
28 75 331 137 35 12 4.8 0.45 0.3 2.5 12 41 230
29 63 203 189 35 11 4.5 0.5 0.3 2.7 7.8 78 261
30 64   290 26 12 4.4 0.5 0.3 4 12 89 242
31 86   168   11   4 0.35   8.3   351