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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 11460600 LAGUNITAS C NR PT REYES STATION CA


Marin County, California
Hydrologic Unit Code 18050005
Latitude  38°04'49", Longitude 122°47'00" NAD27
Drainage area 81.7  square miles
Gage datum 16.81 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 1974-10-01 -> 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
1 341 222 233 134 36 14 7.7 6.8 6.5 6.5 12 70
2 279 260 252 124 33 14 7.7 6.7 6.6 6.6 12 96
3 176 345 247 121 36 13 7.6 6.7 6.6 6.5 12 80
4 433 403 218 109 34 14 7.6 6.7 6.5 6.6 11 56
5 241 354 224 106 32 13 7.5 6.8 6.5 6.8 11 48
6 156 299 248 90 28 13 7.5 6.7 6.4 6.6 18 47
7 149 477 225 110 24 12 7.5 6.7 6.5 6.5 12 49
8 317 398 194 105 25 12 7.4 6.7 6.5 6.5 12 56
9 370 340 295 86 30 13 7.3 6.7 6.6 6.8 16 71
10 297 251 345 82 24 12 7.3 6.6 6.7 7.2 15 84
11 304 176 278 138 21 12 7.2 6.6 6.6 6.8 15 115
12 300 203 217 202 20 11 7.2 6.6 6.6 6.7 15 97
13 302 367 313 125 19 11 7.2 6.6 6.5 9.3 22 77
14 338 463 326 84 19 11 7.1 6.6 6.6 8.3 15 103
15 257 302 269 68 19 11 7.2 6.6 6.5 7.1 17 112
16 284 353 237 66 22 11 7.2 6.7 6.6 7.4 35 133
17 231 463 201 66 20 9.9 7.1 6.7 6.6 7.9 41 105
18 234 439 167 54 24 9.1 7.1 6.6 6.6 7.8 40 84
19 252 438 152 46 37 8.7 7 6.7 6.6 8.8 30 148
20 292 414 208 43 30 8.5 7 6.8 6.5 9.4 29 133
21 227 393 202 38 26 8.3 7 6.7 6.5 9.1 47 146
22 324 292 280 35 23 8.2 7 6.7 6.5 9.6 57 183
23 298 262 224 38 20 8 6.9 6.6 6.5 9.7 43 167
24 233 226 229 37 18 7.8 6.8 6.6 6.6 52 59 178
25 235 267 255 36 17 7.8 6.8 6.6 6.5 31 41 185
26 324 337 192 32 16 7.8 6.8 6.6 6.5 16 37 132
27 281 341 174 32 20 7.8 6.8 6.5 6.5 11 44 172
28 231 272 175 33 21 7.8 6.7 6.5 6.5 11 54 187
29 201 293 142 32 18 7.9 6.7 6.5 6.5 11 71 277
30 157   136 32 17 7.8 6.7 6.6 6.5 11 92 259
31 182   184   15   6.8 6.5   10   400