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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 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 -> 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
1 348 95 230 123 29 13 5.7 3.4 2.6 2.4 35 227
2 392 145 275 91 32 12 5.4 3.3 5.1 8.4 23 252
3 251 163 240 97 82 12 5.2 3.4 3.0 3.9 15 122
4 325 140 201 118 36 14 5.0 3.3 2.8 6.9 8.5 49
5 216 102 232 119 56 16 4.8 3.2 2.6 13 6.9 92
6 237 232 332 134 28 12 4.8 3.2 2.5 3.8 7.9 113
7 183 387 203 152 25 11 4.8 3.2 2.5 3.0 46 84
8 302 367 159 100 54 12 4.7 3.1 2.5 2.8 52 140
9 259 509 152 62 54 13 4.7 3.1 2.5 2.7 19 79
10 298 306 217 55 25 11 4.7 3.1 2.5 12 14 92
11 241 204 191 121 21 9.9 4.3 3.0 2.5 3.7 33 256
12 174 157 135 178 19 9.3 4.3 3.0 2.4 16 49 151
13 142 341 213 132 18 8.8 4.3 3.0 2.8 23 22 196
14 111 305 261 71 21 8.2 4.2 2.9 2.6 8.4 14 282
15 78 238 230 55 24 8.0 4.1 2.9 2.6 8.4 13 308
16 154 421 221 78 20 9.2 4.0 2.8 2.5 8.6 29 313
17 157 420 145 68 23 8.6 4.0 2.8 3.8 8.9 23 202
18 241 290 107 50 68 8.2 3.9 2.8 2.6 5.1 10 192
19 282 185 161 44 49 7.5 3.8 2.8 2.7 18 51 251
20 346 256 204 56 25 7.2 3.7 2.8 2.6 9.1 52 272
21 229 220 132 45 20 7.1 3.6 2.9 4.6 4.2 55 310
22 238 290 257 55 18 6.9 3.7 2.9 2.8 9.8 40 309
23 285 228 153 35 17 6.8 3.6 2.9 2.4 11 32 231
24 169 249 210 44 16 6.6 3.6 2.8 2.2 55 45 203
25 258 314 203 45 20 16 3.5 2.7 2.9 32 23 148
26 235 461 154 32 17 8.7 3.7 2.6 2.5 35 29 201
27 135 564 164 32 29 9.1 3.5 2.6 2.9 15 31 350
28 109 380 173 50 17 12 3.5 2.5 2.4 41 66 364
29 89 219 133 50 14 7.2 3.5 2.6 2.3 23 130 426
30 106   86 32 12 5.9 3.5 2.6 2.4 25 152 356
31 131   123   13   3.5 2.6   14   497