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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 11174600 ALAMO CN NR PLEASANTON CA


Alameda County, California
Hydrologic Unit Code 18050004
Latitude  37°41'40", Longitude 121°55'10" NAD83
Drainage area 39.5  square miles
Gage datum 330 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 1978-10-01 -> 2019-09-30)

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 14 12 108 60 12 4.6 3.2 2.7 2.1 1.6 4.9 8.6
2 15 12 111 28 8.9 4.1 4.1 2.7 2.1 2.2 14 42
3 20 20 45 19 7.9 3.9 3.3 2.5 2.2 2.4 6.6 66
4 241 13 40 21 7.4 3.9 3.1 2.6 2.2 1.8 3.7 22
5 228 15 86 25 12 4.1 2.9 2.5 2.3 1.6 2.8 6.7
6 34 56 67 45 10 3.9 3.0 2.6 2.4 1.6 2.3 7.7
7 20 211 67 69 7.5 3.9 3.0 2.6 2.2 2.4 2.2 4.5
8 114 121 28 32 6.7 4.2 2.8 2.3 2.3 2.2 3.3 16
9 82 85 24 24 7.1 4.4 2.7 2.4 2.4 1.9 12 5.7
10 158 46 35 35 6.2 6.6 2.7 2.4 2.4 1.5 4.8 35
11 96 27 47 34 5.7 4.9 2.7 2.6 2.4 1.5 2.8 109
12 86 28 48 21 5.4 4.1 2.8 2.3 2.4 1.7 7.6 59
13 171 36 159 16 5.4 3.9 2.8 2.4 2.4 2.0 50 21
14 57 38 50 19 5.7 3.8 2.7 2.6 2.5 5.1 9.7 7.6
15 21 138 30 13 6.5 3.8 2.8 2.7 2.8 16 6.5 58
16 26 167 43 24 5.5 3.8 2.7 2.5 3.8 63 34 39
17 21 87 52 13 5.3 3.5 2.6 2.4 3.1 9.7 17 24
18 84 106 31 17 6.7 3.4 2.6 2.3 2.7 3.5 54 14
19 92 207 22 16 5.1 3.3 2.8 2.8 2.5 9.2 9.6 16
20 76 224 42 20 5.1 3.3 2.9 2.4 2.5 5.1 16 53
21 60 138 57 12 5.0 3.5 2.8 2.2 2.6 2.5 9.4 82
22 151 53 91 16 5.2 3.3 2.8 2.1 2.5 2.1 17 143
23 75 46 43 23 5.1 3.1 2.7 2.1 3.4 2.4 7.7 54
24 140 35 72 18 5.1 3.4 2.6 2.4 4.7 2.3 9.9 50
25 38 62 37 25 5.3 3.4 2.7 2.5 6.9 33 5.1 28
26 100 38 27 9.9 4.8 3.1 2.5 2.1 2.9 10 15 8.6
27 113 58 25 10 4.6 3.1 2.7 2.1 2.7 10 23 8.6
28 61 63 21 45 4.6 3.2 2.6 2.2 2.4 46 14 7.5
29 55 14 58 17 4.5 3.7 2.6 2.2 2.3 10 11 59
30 24   38 17 4.5 3.2 2.6 2.0 1.7 16 42 20
31 14   169   4.7   2.8 2.1   4.7   11