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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 306.61 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 1978-10-01 -> 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 31 19 75 40 9.4 4.7 2.8 2.4 2.2 2.1 5.6 19
2 26 28 101 22 11 4 3.3 2.4 2.2 2.3 11 32
3 27 25 43 16 8.7 4 2.8 2.4 2.1 2.4 5.3 46
4 166 60 35 27 7.1 3.8 2.7 2.4 2.2 2 3.6 24
5 179 39 65 44 9.6 3.8 2.7 2.3 2.2 1.8 3 9
6 46 43 64 39 8.2 3.6 2.7 2.4 2.3 1.8 5.1 7
7 24 134 53 48 6.6 3.7 2.7 2.5 2.1 2.2 3.5 11
8 76 80 26 24 6.1 3.8 2.6 2.1 2.2 2.1 18 17
9 110 62 44 19 6.3 4 2.5 2.2 2.2 2 15 5.6
10 122 49 91 25 5.7 5.3 2.5 2.3 2.1 1.8 4.9 49
11 75 25 40 27 5.4 4.3 2.6 2.4 2.2 1.8 3.2 77
12 58 24 56 17 5.9 3.7 2.5 2.1 2.3 1.8 5.7 41
13 115 72 101 13 5.2 3.6 2.5 2.2 2.3 2 33 53
14 88 60 52 15 5.3 3.6 2.4 2.3 2.4 3.7 9.1 21
15 50 103 32 12 7.7 3.5 2.5 2.4 2.6 9.5 5.4 37
16 125 109 38 25 14 3.5 2.5 3.7 4.1 35 21 37
17 46 60 37 12 6.4 3.3 2.4 2.4 3.1 6.2 16 29
18 58 75 26 14 9.8 3.3 2.4 2.1 4.1 3.1 38 19
19 63 140 22 14 17 3.1 2.6 2.5 4.1 6.1 8.2 20
20 54 139 33 16 6.4 3.1 2.6 2.2 2.8 4.6 11 39
21 43 87 59 19 6.7 3.3 2.6 2.1 2.7 6 8.9 50
22 114 36 72 14 5.4 3.1 2.6 2 2.5 6.9 15 93
23 50 32 39 17 4.9 3 2.5 2.1 3.1 3.8 19 54
24 91 43 49 13 4.8 3.1 2.3 2.2 3.8 96 11 39
25 29 42 29 19 4.8 3 2.4 2.2 5.3 60 4.8 36
26 64 29 24 8.8 4.5 2.9 2.4 2.1 2.7 10 15 15
27 85 65 27 8.8 4.4 2.9 2.6 2 2.4 8.9 21 54
28 72 57 27 30 4.4 3 2.4 2.1 2.4 27 10 11
29 45 16 48 13 4.3 3.3 2.4 2.2 2.2 7.5 16 49
30 20   30 12 14 2.9 2.4 2 2 11 27 41
31 15   103   6.7   2.5 2.2   4.1   216