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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 11459150 PETALUMA R A COPLAND PUMPING STATION A PETALUMA CA


Sonoma County, California
Hydrologic Unit Code 18050002
Latitude  38°14'18", Longitude 122°38'21" NAD27
Drainage area 45.4  square miles
Gage datum 0 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 -> 2010-09-30)

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
1 421 212 105 214 101             272
2 808 261 219 69 118             457
3 243 308 416 285 226             197
4 345 148 185 235               70
5 234 531 236 498               80
6 184 544 728 136               113
7 149 882 182               81 56
8 186 138 231 105 83             170
9 157 389 195 126 147           124 128
10 140 153 62               101 181
11 188 149   488                
12 122 181 150 510             74 67
13 150 462 81 157           120   369
14 259 630 182 78           94   613
15 89 106 114 88               366
16 81 368 113 201               1,730
17 98 489 313 100               236
18 285 261 109 91               148
19 211 158 108                 629
20 476 198 111 25               427
21 333 276               174   310
22 265 230 772                 446
23 178 183 259                 151
24 156 262 177 144             80 111
25 636 210 531                 129
26 846 132 86 87           136   136
27 202 421   76 58             478
28 119 247 110   26           70 792
29 108 448 494             67 244 299
30 157   93                 464
31 249   184                 1,300