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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 11463200 BIG SULPHUR C NR CLOVERDALE CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°49'34", Longitude 122°59'45" NAD27
Drainage area 85.5  square miles
Gage datum 302.75 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 1956-10-01 -> 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
1 116 371 241 202 69 37 16 6.1 3.6 4.4 15 219
2 123 298 226 234 70 40 15 5.9 3.6 4.7 19 185
3 163 263 189 178 68 38 15 5.8 3.5 5 18 203
4 361 322 199 160 66 37 14 5.6 3.4 4.8 26 243
5 567 321 295 174 67 40 13 5.6 3.4 5.9 32 166
6 290 274 265 213 62 37 13 5.4 3.3 5.5 24 112
7 238 284 244 170 65 34 13 5.3 3.3 4.9 23 140
8 284 416 192 148 64 33 12 5.2 3.3 4.4 29 90
9 345 457 176 155 61 32 12 5.2 3.3 22 51 72
10 257 337 224 143 61 31 12 5.1 3.3 23 47 128
11 258 344 170 128 59 29 11 4.9 3.3 24 30 83
12 367 339 241 126 59 27 11 4.8 3.3 99 26 138
13 432 370 223 127 57 26 10 4.7 3.3 59 28 100
14 443 307 292 166 55 25 10 4.5 3.3 31 51 101
15 279 358 232 175 55 25 9.6 4.5 3.3 16 52 180
16 340 397 236 154 51 23 9.4 4.5 3.4 13 40 201
17 222 360 205 132 50 23 9.3 4.4 3.4 9.5 32 158
18 174 366 161 126 50 23 9 4.4 6.7 8.2 36 150
19 224 390 151 120 46 22 8.8 4.4 4.1 8.8 94 227
20 403 330 180 114 48 21 8.4 4.5 3.5 8.6 87 234
21 680 260 228 116 46 20 8.2 4.6 3.4 10 54 371
22 434 204 208 107 47 19 7.9 4.4 3.3 17 36 386
23 478 187 211 114 47 19 7.7 4.2 3.3 18 52 287
24 372 382 172 106 47 18 7.5 4.1 3.3 81 60 252
25 308 249 158 99 45 18 7.2 4 3.3 36 76 184
26 356 200 183 95 44 17 6.9 3.9 4.3 19 50 172
27 274 191 200 89 40 17 6.8 3.9 24 16 66 190
28 243 216 192 82 43 17 6.6 3.8 6.4 13 87 238
29 450 175 213 75 43 16 6.4 3.8 4.9 15 70 202
30 411   223 71 40 17 6.2 3.7 4.7 15 92 173
31 531   186   35   6.2 3.7   12   150