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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 11466320 SANTA ROSA C A WILLOWSIDE RD NR SANTA ROSA CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°26'43", Longitude 122°48'22" NAD27
Drainage area 77.6  square miles
Gage datum 0.00 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 1998-10-01 -> 2021-09-30)

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
1 320 90 211 114 28 13 5.6 3.4 2.5 2.2 32 225
2 360 142 252 84 32 12 5.3 3.3 4.7 7.7 21 239
3 231 152 220 90 76 12 5.2 3.3 2.8 3.7 14 113
4 305 130 184 111 34 14 5 3.2 2.6 6.3 8 47
5 200 95 213 114 52 16 4.9 3.2 2.4 12 6.7 85
6 218 214 305 125 26 12 4.8 3.2 2.3 3.5 7.6 106
7 169 355 186 146 24 11 4.8 3.2 2.3 2.8 42 100
8 278 336 146 96 50 12 4.7 3.1 2.4 2.6 48 135
9 238 466 141 60 50 13 4.7 3.1 2.4 2.5 17 74
10 274 281 203 53 24 11 4.7 3 2.4 11 13 86
11 221 191 177 116 21 9.9 4.4 3 2.3 3.4 31 238
12 160 147 124 171 20 9.3 4.3 2.9 2.3 14 45 144
13 131 314 195 127 18 8.8 4.3 2.9 2.6 21 20 183
14 103 280 241 69 20 8.3 4.2 2.9 2.4 7.7 13 260
15 72 219 214 53 34 8.1 4.1 2.8 2.4 7.7 12 283
16 153 386 203 75 26 9.1 4 2.8 2.4 7.9 27 287
17 150 385 134 65 25 8.6 4 2.8 3.5 8.1 22 190
18 223 266 105 48 71 8.1 3.9 2.8 2.4 4.8 15 179
19 260 170 151 42 53 7.5 3.8 2.8 2.6 16 47 232
20 318 235 188 54 28 7.2 3.7 2.7 2.5 8.4 48 251
21 213 202 123 43 22 7 3.6 2.8 4.2 4 51 285
22 221 266 237 53 19 6.9 3.7 2.8 2.6 9.1 36 286
23 263 209 142 34 17 6.8 3.6 2.8 2.3 9.8 29 213
24 157 229 195 42 16 6.6 3.6 2.7 2.1 50 41 187
25 237 287 187 43 20 15 3.5 2.6 2.7 29 22 147
26 222 422 142 31 18 8.4 3.6 2.5 2.3 32 29 189
27 144 516 151 31 29 8.8 3.4 2.5 2.7 14 30 321
28 110 348 159 48 17 11 3.5 2.5 2.3 37 61 334
29 86 184 122 48 14 7.1 3.4 2.5 2.2 21 118 400
30 100   80 31 13 5.8 3.4 2.5 2.3 23 138 334
31 122   113   13   3.4 2.5   13   458