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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 11465350 DRY C NR MOUTH NR HEALDSBURG CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°35'15", Longitude 122°51'40" NAD27
Drainage area 217  square miles
Gage datum 50 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 1981-10-01 -> 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
1 130 339 340 211 111 97 99 88 90 74 99 117
2 124 282 355 198 110 98 98 88 89 75 102 122
3 161 263 336 188 106 94 98 88 89 76 98 155
4 205 246 271 182 108 95 98 88 88 76 97 127
5 201 257 360 178 104 96 98 89 87 76 102 135
6 200 374 443 211 106 94 98 89 87 75 102 153
7 210 592 457 215 109 99 96 89 86 74 106 129
8 480 397 337 186 111 98 97 88 86 75 109 125
9 366 474 371 175 106 97 93 89 87 74 107 127
10 442 398 429 160 102 96 91 90 87 75 106 164
11 349 311 396 142 100 96 92 91 85 75 107 384
12 235 409 343 158 102 96 93 91 84 75 108 214
13 274 419 416 165 103 97 96 92 83 75 108 171
14 342 430 414 154 99 100 96 91 82 79 108 158
15 371 412 385 147 98 99 95 91 83 78 109 270
16 351 316 476 145 97 102 94 90 83 78 107 238
17 369 306 476 148 100 100 94 91 83 78 110 200
18 370 263 424 155 98 98 94 90 83 79 108 184
19 323 248 360 150 101 99 93 91 82 80 133 195
20 303 380 349 135 100 101 93 91 82 80 130 180
21 216 313 342 123 99 100 91 91 82 83 123 180
22 338 250 493 121 101 103 88 91 82 85 117 163
23 244 313 337 121 97 100 87 90 80 84 117 154
24 364 297 386 118 99 99 87 90 79 86 118 147
25 364 301 337 119 99 99 86 90 76 88 117 143
26 376 328 321 121 97 100 86 90 78 87 122 139
27 368 322 311 118 97 98 85 90 78 82 124 135
28 393 329 284 115 99 99 86 90 77 87 120 137
29 372 132 267 114 98 100 87 90 77 90 121 132
30 373   233 115 93 102 88 92 76 100 125 136
31 377   224   95   88 91   99   130