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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 11465680 LAGUNA DE SANTA ROSA A STONY PT RD NR COTATI CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°21'08", Longitude 122°44'35" NAD27
Drainage area 40.8  square miles
Gage datum 0.00 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 -> 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 87 58 55 41 7 2.6 0.98 0.39 0.19 0.19 5 67
2 126 60 93 25 7.5 2.5 0.91 0.38 0.19 1.2 7 82
3 65 64 77 27 24 2.3 0.88 0.36 0.21 0.55 3.8 34
4 112 59 63 27 13 3.1 0.8 0.37 0.21 0.46 2.8 15
5 132 54 71 41 15 3.6 0.76 0.38 0.2 1.5 1.9 19
6 89 65 113 44 8.4 2.8 0.79 0.38 0.2 0.96 1.6 28
7 64 121 61 51 6.4 2.1 0.77 0.37 0.19 0.39 8 28
8 136 95 47 27 9.3 2.1 0.71 0.35 0.2 0.29 17 39
9 140 143 67 17 18 2.7 0.69 0.34 0.2 0.27 16 20
10 110 77 131 13 7 2.2 0.68 0.34 0.21 0.91 5.7 27
11 85 51 79 40 5.2 1.9 0.68 0.35 0.21 0.8 6.3 60
12 52 49 54 63 4.5 1.8 0.67 0.33 0.21 0.91 12 40
13 48 141 61 35 4.3 1.7 0.61 0.32 0.22 7.9 6.1 54
14 86 94 99 19 4.7 1.6 0.57 0.29 0.22 5.6 4 83
15 53 49 63 13 7.6 1.5 0.56 0.29 0.22 1.2 1.9 80
16 71 132 64 23 7.8 1.5 0.54 0.3 0.21 0.92 6.7 97
17 57 126 41 20 5.8 1.9 0.53 0.3 0.19 1.1 5.7 47
18 81 94 27 13 12 1.9 0.52 0.33 0.19 1 12 66
19 91 81 55 11 18 1.6 0.52 0.28 0.45 3.4 9.8 90
20 112 89 64 13 7.1 1.3 0.52 0.27 0.3 6 11 89
21 81 75 60 11 4.5 1.3 0.5 0.26 0.28 1.9 11 74
22 102 72 124 12 3.8 1.2 0.48 0.25 0.26 2.7 9.9 101
23 71 68 55 8.9 3.3 1.1 0.48 0.24 0.22 3 10 94
24 47 81 63 11 3.1 1.1 0.47 0.23 0.19 67 9.7 52
25 81 98 70 10 3.5 1.3 0.43 0.23 0.19 50 5.4 40
26 92 124 48 8.8 3.7 1.4 0.41 0.22 0.21 9 4.1 54
27 48 157 35 7.6 4.5 1.2 0.4 0.22 0.2 3.7 7 140
28 34 98 67 8.7 4.6 1.6 0.41 0.22 0.19 8.4 7.1 141
29 27 87 51 12 3 1.7 0.4 0.23 0.19 8.6 31 128
30 33   33 8.3 2.6 1.1 0.4 0.21 0.19 4.2 40 125
31 50   32   2.5   0.39 0.2   4.2   184