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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 11465240 DRY C BLW LAMBERT BR NR GEYSERVILLE CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°39'12", Longitude 122°55'34" NAD27
Drainage area 175  square miles
Gage datum 112.03 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 2011-10-01 -> 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
1 159 237 308 362 118 122 109 106 100 98 114 131
2 147 233 639 346 117 121 107 107 101 98 121 138
3 148 205 679 311 115 119 107 106 101 98 118 128
4 226 381 535 278 116 119 108 107 101 98 117 128
5 273 397 373 265 115 121 108 107 101 97 117 122
6 242 449 448 272 112 115 107 107 101 97 118 127
7 290 620 432 270 109 113 106 106 101 97 118 160
8 367 660 668 255 109 117 106 105 102 97 118 138
9 520 655 701 241 108 119 106 105 104 98 123 131
10 283 655 823 217 108 118 106 105 104 99 122 134
11 274 598 708 195 109 118 106 105 104 99 122 132
12 279 508 582 194 108 117 105 104 104 99 121 139
13 268 561 494 187 107 117 105 105 104 98 120 155
14 336 710 632 180 107 116 105 104 104 98 120 283
15 252 376 483 175 109 115 104 104 105 98 120 189
16 344 325 618 169 116 115 103 103 105 98 120 231
17 343 470 621 164 113 114 104 103 104 98 119 341
18 223 481 606 160 116 115 104 105 104 97 120 153
19 200 522 463 158 130 114 103 105 102 98 118 165
20 231 514 450 155 126 111 102 104 101 100 134 165
21 271 524 484 154 129 109 101 102 101 100 282 143
22 415 568 493 152 128 110 102 103 101 99 306 141
23 262 552 440 147 127 108 103 103 100 96 177 148
24 303 457 368 142 127 106 104 103 99 178 146 136
25 295 350 369 141 131 105 104 103 100 130 138 144
26 285 722 345 140 125 105 104 101 100 108 133 144
27 287 770 377 137 125 104 104 101 99 105 130 184
28 270 351 416 135 125 105 104 102 99 110 131 158
29 263 231 418 129 125 106 104 102 100 108 136 167
30 218   409 121 124 110 104 101 99 111 130 188
31 222   379   124   105 100   114   183