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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 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 71 63 89 68 22 5.6 3.6 2.4 2.3 2.1 1.4 2.7
2 32 71 91 62 22 5.5 3.6 2.4 2.2 2 1.3 25
3 26 78 126 57 16 5.4 3.5 2.3 2.2 1.8 1.2 6.5
4 37 88 132 50 20 5.3 3.5 2.3 2.2 2.1 1.2 3.1
5 68 75 89 65 24 5.2 3.4 2.4 2.2 2.5 1.2 2.5
6 58 67 97 56 21 7.7 3.3 2.3 2.2 2.3 1.2 6.4
7 41 99 102 45 17 9.6 3.2 2.3 2.2 2.4 1.2 4.3
8 62 72 83 34 17 9.8 3.1 2.3 2.2 2.3 3.4 6.9
9 103 75 77 34 16 8.7 3 2.3 2.2 2 3.4 4.3
10 158 96 166 31 13 7.9 3 2.4 2.2 1.5 1.4 11
11 168 73 141 33 12 7.8 3 2.3 2.2 1.5 1.3 35
12 133 64 129 34 11 7.7 2.9 2.3 2.2 1.5 1.3 31
13 92 65 126 40 10 9 2.9 2.3 2.2 1.6 1.3 14
14 120 83 106 30 10 10 2.8 2.3 2.2 1.6 1.3 18
15 139 83 99 27 10 10 2.8 2.3 2.2 2.3 1.3 14
16 176 80 97 27 11 10 2.8 2.3 2.2 2.9 1.3 27
17 146 85 85 28 9.5 10 2.8 2.3 2.2 2.9 1.3 20
18 116 81 76 26 8.7 9.9 2.7 2.3 2.2 2.9 3.4 13
19 114 71 74 27 8.6 9.6 2.7 2.3 2.2 2.9 2 17
20 105 107 99 29 8.1 9.5 2.7 2.3 2.1 3 2.3 13
21 81 102 88 30 7.7 9.4 2.7 2.3 2.2 3.1 1.9 7.8
22 79 84 141 29 7.7 9.3 2.7 2.3 2.2 3.1 3.1 46
23 75 71 121 27 7.1 9.3 2.7 2.3 2.1 3.1 3.3 66
24 47 106 116 26 6.7 9.2 2.6 2.3 2.2 3.2 2.5 56
25 73 112 105 29 6.5 9 2.6 2.3 2.2 12 2.3 40
26 70 102 105 25 6.4 6 2.6 2.4 2.2 3.6 2.2 44
27 69 100 95 25 6.3 3.8 2.6 2.3 2.2 3 2.4 67
28 77 98 89 26 6.1 3.7 2.6 2.4 2.2 3 2.9 36
29 73 15 85 27 6 3.7 2.5 2.3 2.2 2.3 2.7 42
30 66   86 25 5.8 3.7 2.5 2.3 2.2 1.6 2.4 50
31 65   74   5.7   2.4 2.3   1.6   159