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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 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
1 235 159 255 104 19 4.7 1.9 0.47 0.21 0.22 9.5 127
2 281 160 188 76 16 4.3 1.7 0.45 0.22 0.23 9.6 212
3 217 250 196 63 19 3.8 1.6 0.44 0.24 0.24 8.8 178
4 198 181 160 57 39 3.7 1.5 0.43 0.25 0.29 6.9 112
5 277 232 153 87 29 3.7 1.4 0.41 0.25 0.49 5.8 76
6 223 181 213 82 29 3.8 1.3 0.4 0.23 0.91 4.9 68
7 216 265 194 128 23 3.6 1.2 0.39 0.22 1.2 4.7 78
8 232 210 126 86 19 3.4 1.2 0.39 0.21 1 7.5 78
9 293 317 127 71 29 3.3 1.1 0.37 0.19 0.83 20 85
10 291 320 213 51 29 3.4 1.1 0.36 0.19 0.73 24 69
11 282 207 213 49 20 3.8 1 0.34 0.19 0.68 17 111
12 226 139 147 139 15 3.1 1 0.34 0.19 0.69 13 152
13 173 277 142 95 13 2.9 0.96 0.33 0.19 0.84 16 111
14 159 342 175 70 12 2.6 0.92 0.32 0.19 1.5 14 180
15 177 196 152 50 11 2.5 0.86 0.32 0.19 2.9 10 169
16 132 223 157 46 10 2.4 0.81 0.31 0.2 1.9 8.7 234
17 193 308 149 48 9.8 2.3 0.77 0.3 0.19 1.5 8.8 190
18 157 257 92 40 10 2.4 0.74 0.29 0.2 1.2 9.7 149
19 190 262 104 34 26 2.4 0.72 0.29 0.2 1.1 12 177
20 218 243 186 30 31 2.2 0.7 0.28 0.2 1.1 30 232
21 223 254 126 29 18 2.1 0.68 0.28 0.21 1.4 59 200
22 248 190 203 30 12 1.9 0.66 0.27 0.21 3.2 125 218
23 247 216 176 35 9.3 1.9 0.64 0.27 0.22 2.5 122 238
24 198 184 129 23 7.6 1.8 0.62 0.26 0.22 22 68 211
25 168 236 191 25 6.7 1.7 0.59 0.27 0.22 116 49 154
26 378 274 149 24 6.2 1.8 0.55 0.27 0.22 53 35 166
27 208 193 104 20 6.7 2 0.54 0.26 0.22 26 29 217
28 156 368 110 17 8.3 2.3 0.52 0.25 0.22 17 28 316
29 123 204 138 20 8.5 2.2 0.51 0.24 0.22 13 61 320
30 114   94 24 6.5 2.1 0.5 0.23 0.22 13 111 260
31 124   72   5.4   0.48 0.22   11   359