Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Surface-Water Daily Statistics for California

Click to hide state-specific text

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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 2023-09-30)

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
1 222 59 187 133 54 8.2 4.2 4 2.4 0.88 15 143
2 249 103 207 96 58 7.8 4.3 4 2.3 4.6 11 162
3 162 126 179 102 144 7.5 4.1 4 2.2 2.6 9.7 67
4 262 103 117 218 71 7.1 1.4 4 2.2 2.7 6.9 33
5 221 83 151 122 52 7.2 1.2 4 2.1 5.9 5.7 57
6 222 125 220 109 39 6.8 1.2 3.9 2 1.7 5.5 82
7 161 184 137 120 34 6.5 1.2 3.9 2.2 1.1 25 56
8 301 224 89 76 30 6 1 3.8 2.6 1 27 38
9 295 351 119 57 29 5.6 1.1 3.7 2.3 1.2 25 37
10 250 230 214 81 24 5.4 1.1 3.6 2.1 5.9 13 73
11 165 124 133 84 24 5.5 1.1 3.6 2 1.5 15 160
12 122 84 114 116 23 3 1.1 3.7 2.1 5.5 26 92
13 159 167 150 90 26 3 1.1 3.7 2.1 16 14 140
14 161 161 200 59 23 5.7 1 3.9 2.2 2.9 8 171
15 128 130 167 46 21 5.6 1 3.8 2.2 3.6 8.4 207
16 143 229 152 62 20 5.7 0.95 3.6 2.2 2.9 14 210
17 127 277 97 42 19 5.7 1 3.8 2.2 2.5 12 126
18 161 176 81 37 16 5.8 1 3.7 2.2 1.4 6.4 149
19 192 119 102 33 19 5.7 1 3.7 2.1 2.3 20 166
20 207 142 134 36 29 5.6 1 3.7 2.1 2.4 26 173
21 176 96 115 34 19 5.6 0.75 3.1 2.2 2 30 242
22 190 133 176 36 16 5.3 0.75 2.4 2.3 10 25 222
23 189 103 105 25 14 5.3 0.6 2.5 2 6.7 19 233
24 112 136 135 32 13 5.3 0.55 2.5 2.1 203 31 204
25 238 179 131 31 13 5.2 0.55 2.5 2.2 86 15 217
26 183 372 125 26 12 5.7 0.6 0.3 2.3 29 17 187
27 104 487 110 23 12 5.2 0.5 0.3 2.4 8.6 16 228
28 74 342 137 36 12 4.8 0.45 0.3 2.5 12 43 239
29 62 214 183 36 11 4.5 0.5 0.3 2.7 8.1 81 262
30 63   292 26 12 4.4 0.5 0.3 4 13 93 241
31 74   168   11   4 0.35   8.7   363