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USGS 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 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 -> 2021-09-30)

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 11 12 81 51 10 5.1 3.1 2.6 2.3 1.8 4.5 21
2 13 25 99 26 8 4.4 3.8 2.6 2.2 2.3 11 39
3 16 24 40 18 7.3 4.1 3.2 2.5 2.3 2.6 5.7 50
4 182 39 33 27 6.8 4 3.1 2.6 2.3 2.2 3.6 25
5 170 28 66 49 11 4.1 2.9 2.5 2.3 2 2.9 9.7
6 45 45 64 47 8.9 3.9 2.9 2.6 2.4 1.9 2.6 7.4
7 23 156 58 61 6.9 3.9 2.9 2.7 2.3 2.5 2.5 12
8 86 94 24 29 6.2 4.1 2.8 2.3 2.3 2.3 3.3 21
9 64 74 22 22 6.5 4.3 2.7 2.4 2.4 2.1 9.6 6.2
10 117 58 36 30 5.8 6 2.7 2.4 2.4 1.8 4.5 27
11 71 28 41 29 5.4 4.7 2.8 2.6 2.5 1.9 3 82
12 64 27 41 18 6.1 4 2.7 2.3 2.6 2 6.5 47
13 126 88 129 15 5.1 3.8 2.7 2.4 2.5 2.2 41 30
14 43 73 51 17 5.3 3.8 2.7 2.6 2.6 4.4 11 11
15 21 128 34 12 8.5 3.7 2.7 2.6 2.8 12 6 44
16 60 136 46 21 17 3.7 2.8 4.3 4.7 45 26 33
17 42 72 45 12 6.9 3.5 2.6 2.7 3.4 7.6 19 34
18 67 83 28 15 11 3.4 2.6 2.4 2.7 3.3 46 13
19 71 155 19 14 20 3.3 2.8 2.7 2.5 7.3 8.7 14
20 62 166 39 18 6.9 3.3 2.8 2.4 2.5 4.4 13 40
21 48 103 48 11 7.3 3.5 2.8 2.3 2.7 2.6 11 61
22 113 41 75 14 5.8 3.3 2.7 2.1 2.5 2.4 18 112
23 57 36 40 20 5.3 3.1 2.7 2.2 3.2 2.6 24 42
24 104 27 60 15 5.1 3.3 2.6 2.4 4.3 2.6 13 43
25 31 47 34 21 5.2 3.3 2.7 2.4 6.2 24 5.5 28
26 76 31 27 9 4.8 3.1 2.5 2.1 2.9 8 18 8.7
27 104 56 33 9.4 4.7 3.1 2.7 2.1 2.6 8 26 7.8
28 87 51 23 37 4.7 3.1 2.6 2.2 2.4 33 12 7.1
29 54 11 50 15 4.6 3.6 2.5 2.3 2.3 8.1 18 46
30 22   33 14 18 3.1 2.6 2 1.8 13 34 17
31 14   138   7.8   2.7 2.2   4.3   11