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USGS Surface-Water 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 11460000 CORTE MADERA C A ROSS CA


Marin County, California
Hydrologic Unit Code 18050002
Latitude  37°57'47", Longitude 122°33'21" NAD27
Drainage area 18.1  square miles
Gage datum 10.44 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 1950-10-01 -> 2024-09-30)

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 41 52 58 50 6.9 2.1 0.92 0.37 0.29 0.41 2.8 39
2 35 57 73 54 6.3 3.5 0.91 0.34 0.28 0.64 3.5 61
3 45 46 56 36 6.7 2.4 0.86 0.39 0.24 0.28 3.1 56
4 152 60 56 29 5.7 2.3 0.84 0.35 0.22 0.23 2.9 47
5 101 62 58 31 5.3 2 0.93 0.32 0.23 0.29 7 35
6 69 68 59 34 4.8 2 0.8 0.32 0.27 0.27 6.5 39
7 63 117 50 32 4.6 1.9 0.81 0.33 0.3 0.46 3.5 39
8 75 109 41 24 4.4 2.3 0.92 0.33 0.36 0.28 3.5 24
9 94 102 49 20 4.2 1.8 0.68 0.34 0.61 2.3 9.4 34
10 79 61 70 23 4.1 1.7 0.62 0.32 0.34 2.4 15 37
11 91 48 48 29 3.8 1.5 0.62 0.36 0.31 2.7 17 43
12 90 92 55 23 3.6 1.5 0.58 0.3 0.35 7.6 14 29
13 104 132 81 17 3.4 1.5 0.56 0.27 0.4 14 29 32
14 141 118 81 15 3.2 1.4 0.55 0.27 0.31 5.7 18 22
15 86 85 64 15 3.9 1.3 0.57 0.32 0.33 4.5 15 57
16 139 101 65 13 3.5 1.3 0.55 0.28 0.46 3.7 27 41
17 88 136 47 13 3.5 1.3 0.53 0.27 0.47 2 21 38
18 94 95 41 12 8.4 1.3 0.51 0.29 2.4 0.93 18 46
19 82 114 49 13 6.5 1.2 0.5 0.3 0.6 0.91 16 102
20 129 93 49 12 5.3 1.2 0.49 0.3 0.36 1.3 14 71
21 135 61 68 16 4.7 1.1 0.46 0.34 0.56 1.7 20 66
22 87 61 58 10 3.8 1.2 0.44 0.34 0.36 3 13 112
23 69 51 51 12 3.4 1.1 0.44 0.3 0.33 4.5 14 95
24 87 62 62 10 3.1 1.1 0.44 0.24 0.42 32 21 82
25 71 61 51 10 2.9 1.1 0.44 0.24 0.45 15 11 70
26 71 78 51 9.1 2.6 1 0.41 0.25 0.39 3 9 59
27 58 62 55 14 4.4 1 0.42 0.27 0.6 2.5 18 56
28 41 63 53 9 2.9 1.1 0.4 0.3 0.38 2.9 24 58
29 76 24 38 7.7 2.4 1.1 0.41 0.31 0.4 3.7 23 57
30 81   50 8.4 2.4 0.95 0.35 0.42 0.42 2.7 30 52
31 74   52   2.2   0.35 0.31   1.7   51