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USGS 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 11172955 ALAMEDA C BL DIV DAM NR SUNOL CA


Alameda County, California
Hydrologic Unit Code 18050004
Latitude  37°29'55", Longitude 121°46'46" NAD83
Drainage area 34.9  square miles
Gage datum 840 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 2010-10-01 -> 2020-09-30)

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 3.8 11 22 25 6.9 3 1.1 0.3 0.1 0.06 0.1 4.2
2 3.4 25 46 20 6.5 2.9 1.1 0.3 0.1 0.06 0.1 36
3 4.7 42 36 17 6.2 2.8 1 0.29 0.09 0.05 0.09 5.1
4 18 77 26 15 6 2.8 0.98 0.29 0.09 0.06 0.1 2.4
5 23 39 27 14 5.8 2.9 0.94 0.29 0.09 0.08 0.09 2.4
6 39 29 62 14 5.7 2.7 0.85 0.28 0.09 0.08 0.1 2.9
7 39 144 81 24 5.6 2.5 0.83 0.27 0.09 0.07 0.1 1.9
8 95 62 39 22 5.3 2.4 0.8 0.27 0.09 0.07 0.1 2.3
9 85 74 30 18 5 2.3 0.77 0.27 0.08 0.06 0.11 2.4
10 168 129 27 16 4.8 2.3 0.75 0.23 0.08 0.05 0.11 14
11 99 52 38 15 4.6 2.2 0.71 0.21 0.08 0.06 0.13 26
12 35 29 63 15 4.4 2.1 0.67 0.19 0.08 0.06 0.15 36
13 19 32 91 26 4.2 2 0.65 0.18 0.08 0.06 0.16 6.4
14 14 87 83 19 4.2 2 0.63 0.17 0.07 0.06 0.15 3.5
15 13 84 40 15 4.4 1.9 0.6 0.16 0.07 0.06 0.14 17
16 30 66 38 15 4.5 1.8 0.59 0.15 0.08 0.06 0.21 42
17 67 68 31 15 4.6 1.7 0.57 0.15 0.08 0.06 0.18 22
18 62 50 29 14 4.6 1.6 0.54 0.16 0.08 0.07 0.15 14
19 77 34 32 13 5.2 1.6 0.54 0.15 0.08 0.07 0.18 16
20 92 160 80 12 4.8 1.5 0.51 0.16 0.07 0.07 0.25 17
21 83 144 58 11 4.3 1.4 0.5 0.16 0.07 0.07 0.3 8.5
22 90 73 100 11 5 1.4 0.46 0.16 0.07 0.07 0.25 64
23 79 38 58 11 4.3 1.3 0.43 0.15 0.07 0.07 1.4 77
24 43 24 87 10 3.8 1.3 0.43 0.13 0.07 0.07 3.6 46
25 30 68 65 9.6 3.6 1.3 0.4 0.13 0.06 0.08 0.87 25
26 21 23 53 9.2 3.7 1.2 0.39 0.12 0.06 0.07 0.55 28
27 16 16 38 8.9 3.7 1.1 0.37 0.11 0.06 0.07 2.1 14
28 14 20 30 8.5 3.5 1.2 0.34 0.11 0.06 0.08 4.1 8.6
29 12 4.3 25 7.9 3.4 1.1 0.32 0.1 0.06 0.07 1.7 31
30 13   23 7.4 3.2 1.1 0.32 0.11 0.06 0.1 2.5 5.3
31 12   22   3.1   0.31 0.11   0.09   4.4