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USGS Surface-Water 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 11173510 ALAMEDA C BL CALAVERAS C NR SUNOL CA


Alameda County, California
Hydrologic Unit Code 18050004
Latitude  37°30'13", Longitude 121°49'25" NAD27
Drainage area 139  square miles
Gage datum 429.83 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 1995-10-01 -> 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 69 64 88 67 22 5.6 3.6 2.4 2.3 2.1 1.7 2.8
2 31 72 110 61 22 5.5 3.6 2.4 2.2 2 1.5 24
3 27 78 130 56 16 5.4 3.5 2.3 2.2 1.8 1.3 6.5
4 37 108 142 50 20 5.3 3.5 2.3 2.2 2.1 1.3 3.2
5 66 94 103 65 24 5.2 3.4 2.4 2.2 2.5 1.3 2.6
6 56 74 109 56 21 7.7 3.3 2.3 2.2 2.5 1.3 6.3
7 40 105 114 45 17 9.6 3.2 2.3 2.2 2.6 1.4 4.3
8 60 77 95 34 17 9.8 3.1 2.3 2.2 2.6 3.4 6.9
9 99 77 88 34 16 8.7 3 2.3 2.2 2.3 3.4 4.3
10 152 96 173 31 13 7.9 3 2.4 2.2 1.8 1.5 11
11 164 73 145 33 12 7.8 3 2.3 2.2 1.8 1.4 34
12 129 65 128 34 11 7.7 2.9 2.3 2.2 1.8 1.4 30
13 89 65 123 40 10 9 2.9 2.3 2.2 1.8 1.4 14
14 119 82 103 30 10 10 2.8 2.3 2.2 1.8 1.4 17
15 135 82 97 27 10 10 2.8 2.3 2.2 2.5 1.4 13
16 170 79 95 27 11 10 2.8 2.3 2.2 3.1 1.5 26
17 143 84 83 28 9.5 10 2.8 2.3 2.2 3.1 1.5 19
18 113 80 74 26 8.7 9.9 2.7 2.3 2.2 3.1 3.5 12
19 110 75 73 27 8.6 9.6 2.7 2.3 2.2 3.1 2.2 17
20 102 108 96 29 8.1 9.5 2.7 2.3 2.1 3.1 2.4 12
21 81 110 86 30 7.7 9.4 2.7 2.3 2.2 3.2 2 7.7
22 104 98 137 29 7.7 9.3 2.7 2.3 2.2 3.3 3.2 44
23 78 85 118 27 7.1 9.3 2.7 2.3 2.1 3.3 3.4 64
24 51 119 113 26 6.7 9.2 2.6 2.3 2.2 3.4 2.6 54
25 74 124 103 29 6.5 9 2.6 2.3 2.2 12 2.4 39
26 69 114 103 25 6.4 6 2.6 2.4 2.2 3.8 2.4 43
27 68 107 92 25 6.3 3.8 2.6 2.3 2.2 3.2 2.5 65
28 75 98 87 26 6.1 3.7 2.6 2.4 2.2 3.1 3 35
29 72 19 84 27 6 3.7 2.5 2.3 2.2 2.5 2.9 41
30 65   85 25 5.8 3.7 2.5 2.3 2.2 1.8 2.5 49
31 64   74   5.7   2.4 2.3   1.8   153