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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 11465750 LAGUNA DE SANTA ROSA C NR SEBASTOPOL CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°25'32", Longitude 122°49'41" NAD27
Drainage area 79.6  square miles
Gage datum 0.00 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 1998-10-01 -> 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
1 234 164 263 106 20 4.8 1.9 0.47 0.21 0.22 9.8 130
2 285 151 194 77 16 4.3 1.7 0.45 0.22 0.23 10 218
3 220 230 202 64 20 3.9 1.6 0.44 0.24 0.25 9.1 183
4 200 148 165 58 40 3.7 1.5 0.43 0.25 0.3 7.2 115
5 282 160 158 89 30 3.8 1.4 0.41 0.25 0.51 6 77
6 227 138 220 84 29 3.9 1.3 0.4 0.23 0.95 5.1 70
7 221 232 200 131 24 3.7 1.2 0.39 0.22 1.3 4.9 80
8 238 196 130 88 20 3.5 1.2 0.39 0.21 1.1 7.8 81
9 301 317 132 72 30 3.4 1.1 0.37 0.19 0.87 21 88
10 300 324 220 53 30 3.5 1.1 0.36 0.19 0.76 25 71
11 291 210 221 50 20 3.9 1 0.34 0.19 0.7 18 115
12 233 140 152 143 16 3.2 1 0.34 0.19 0.72 14 156
13 178 260 146 98 13 2.9 0.96 0.33 0.19 0.88 16 113
14 164 305 180 72 12 2.7 0.92 0.32 0.19 1.6 15 151
15 183 183 154 52 11 2.5 0.86 0.32 0.19 3 11 131
16 135 220 159 47 11 2.4 0.81 0.31 0.2 1.9 8.9 222
17 200 311 150 50 10 2.4 0.77 0.3 0.19 1.5 8.9 175
18 162 261 88 41 10 2.5 0.74 0.29 0.2 1.2 9.8 140
19 197 268 103 35 27 2.4 0.72 0.29 0.2 1.1 12 175
20 226 248 189 30 32 2.3 0.7 0.28 0.2 1.1 31 234
21 230 261 128 30 18 2.1 0.68 0.28 0.21 1.4 34 203
22 256 195 208 31 12 2 0.66 0.27 0.21 3.3 29 221
23 256 222 181 36 9.5 1.9 0.64 0.27 0.22 2.6 24 240
24 205 189 132 23 7.8 1.8 0.62 0.26 0.22 23 28 207
25 174 244 197 26 6.9 1.7 0.59 0.27 0.22 120 28 146
26 392 283 154 24 6.3 1.8 0.55 0.27 0.22 55 23 161
27 215 199 107 21 6.9 2 0.54 0.26 0.22 27 21 203
28 161 381 113 17 8.5 2.3 0.52 0.25 0.22 18 22 307
29 128 204 142 20 8.7 2.2 0.51 0.24 0.22 14 59 313
30 118   97 25 6.6 2.1 0.5 0.23 0.22 14 112 249
31 128   74   5.5   0.48 0.22   12   360