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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 1.86 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 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 86 72 54 41 6.9 2.6 0.98 0.39 0.19 0.19 4.8 65
2 123 80 90 25 7.4 2.5 0.91 0.38 0.19 1.1 7 79
3 66 76 74 26 23 2.3 0.88 0.36 0.21 0.53 3.8 34
4 111 111 61 26 13 3.1 0.8 0.37 0.21 0.44 2.8 15
5 129 74 69 40 15 3.6 0.76 0.38 0.2 1.4 1.8 18
6 87 69 109 42 8.2 2.8 0.79 0.38 0.2 0.92 1.6 27
7 63 129 59 50 6.4 2.1 0.77 0.37 0.19 0.38 7.7 27
8 132 95 46 27 9.3 2.1 0.71 0.35 0.2 0.28 17 38
9 136 140 65 17 18 2.7 0.69 0.34 0.2 0.26 15 19
10 107 76 127 13 7 2.2 0.68 0.34 0.21 0.88 5.5 26
11 82 51 76 39 5.2 1.9 0.68 0.35 0.21 0.77 6.5 58
12 51 49 54 61 4.5 1.8 0.67 0.33 0.21 0.87 12 42
13 47 172 61 34 4.3 1.7 0.61 0.32 0.22 7.6 6 55
14 83 106 98 19 4.7 1.6 0.57 0.29 0.22 5.4 4.6 117
15 52 51 63 13 7.6 1.5 0.56 0.29 0.22 1.1 2.4 85
16 69 130 63 22 7.8 1.5 0.54 0.3 0.21 0.89 6.6 107
17 55 123 45 20 5.8 1.9 0.53 0.3 0.19 1.1 5.5 53
18 78 92 29 13 12 1.9 0.52 0.33 0.19 0.99 11 67
19 89 79 54 11 18 1.6 0.52 0.28 0.45 3.3 9.5 89
20 109 87 63 13 7.1 1.3 0.52 0.27 0.3 5.8 19 87
21 78 74 59 11 4.5 1.3 0.5 0.26 0.28 1.8 50 74
22 99 70 120 12 3.8 1.2 0.48 0.25 0.26 2.6 65 100
23 68 67 54 8.8 3.3 1.1 0.48 0.24 0.22 2.9 32 96
24 46 79 61 10 3.1 1.1 0.47 0.23 0.19 64 14 59
25 78 95 68 9.9 3.5 1.3 0.43 0.23 0.19 48 7.3 42
26 89 120 47 8.7 3.7 1.4 0.41 0.22 0.21 8.7 6.2 55
27 46 152 34 7.7 4.5 1.2 0.4 0.22 0.2 3.5 8.5 157
28 33 95 65 8.7 4.6 1.6 0.41 0.22 0.19 8.1 7.9 143
29 26 87 49 11 3 1.7 0.4 0.23 0.19 8.3 31 136
30 32   32 8.2 2.6 1.1 0.4 0.21 0.19 4 39 126
31 49   33   2.5   0.39 0.2   4.1   180