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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 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 -> 2019-09-30)

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
1 242 65 207 152 54 8.2 4.2 4.0 2.4 0.96 15 160
2 283 111 238 109 58 7.8 4.3 4.0 2.3 5.5 9.6 191
3 180 143 207 117 144 7.5 4.1 4.0 2.2 3.1 8.8 80
4 265 118 134 258 71 7.1 1.4 4.0 2.2 3.2 4.0 35
5 165 91 167 139 52 7.2 1.2 4.0 2.1 7.1 4.4 63
6 220 144 248 126 39 6.8 1.2 3.9 2.0 2.0 4.4 92
7 163 217 154 139 34 6.5 1.2 3.9 2.2 1.3 26 46
8 303 267 94 87 30 6.0 1.0 3.8 2.6 1.1 26 38
9 231 420 82 64 29 5.6 1.1 3.7 2.3 1.4 8.3 42
10 236 275 144 94 24 5.4 1.1 3.6 2.1 7.0 7.5 72
11 156 143 115 98 24 5.5 1.1 3.6 2.0 1.8 14 181
12 112 96 90 138 23 3.0 1.1 3.7 2.1 6.6 29 95
13 145 198 146 106 26 3.0 1.1 3.7 2.1 20 15 123
14 107 190 176 68 23 5.7 1.0 3.9 2.2 3.4 8.2 177
15 98 153 169 53 21 5.6 1.0 3.8 2.2 4.3 8.8 221
16 122 274 166 68 20 5.7 0.95 3.6 2.2 3.5 15 212
17 126 332 104 48 19 5.7 1.0 3.8 2.2 2.9 13 134
18 175 210 83 42 16 5.8 1.0 3.7 2.2 1.5 4.8 168
19 216 141 103 37 19 5.7 1.0 3.7 2.1 2.7 22 192
20 238 169 149 41 29 5.6 1.0 3.7 2.1 2.5 31 202
21 201 114 84 37 19 5.6 0.75 3.1 2.2 1.5 35 286
22 219 158 154 40 16 5.3 0.75 2.4 2.3 4.8 30 252
23 220 119 105 28 14 5.3 0.60 2.5 2.0 6.7 22 211
24 128 152 148 37 13 5.3 0.55 2.5 2.1 42 36 219
25 281 208 147 35 13 5.2 0.55 2.5 2.2 14 17 232
26 208 441 142 29 12 5.7 0.60 0.30 2.3 3.7 18 207
27 107 570 125 26 12 5.2 0.50 0.30 2.4 2.4 18 200
28 76 379 129 41 12 4.8 0.45 0.30 2.5 11 51 264
29 67 255 197 41 11 4.5 0.50 0.30 2.7 6.9 97 286
30 71   339 30 12 4.4 0.50 0.30 4.0 13 112 241
31 84   193   11   4.0 0.35   7.5   369