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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 34 12 81 45 9.7 4.7 2.8 2.4 2.2 2.1 5.5 21
2 22 24 94 24 12 4 3.3 2.4 2.2 2.3 12 37
3 23 25 40 17 9.2 4 2.8 2.4 2.1 2.4 5.7 53
4 191 45 34 25 7.3 3.8 2.7 2.4 2.2 2 3.6 27
5 207 35 73 43 9.6 3.8 2.7 2.3 2.2 1.8 2.9 10
6 51 44 62 41 8.2 3.6 2.7 2.4 2.3 1.8 2.5 7.4
7 25 145 57 53 6.6 3.7 2.7 2.5 2.1 2.4 3.1 12
8 88 89 27 26 6.1 3.8 2.6 2.1 2.2 2.2 20 19
9 127 70 49 20 6.3 4 2.5 2.2 2.2 2 11 6.1
10 140 55 103 27 5.7 5.3 2.5 2.3 2.1 1.8 4.9 56
11 85 27 44 26 5.4 4.3 2.6 2.4 2.2 1.8 3.2 90
12 67 26 63 17 5.9 3.7 2.5 2.1 2.3 1.9 6.2 48
13 128 82 116 14 5.2 3.6 2.5 2.2 2.3 2.1 38 29
14 94 69 59 16 5.3 3.6 2.4 2.3 2.4 4.1 10 11
15 57 119 35 11 7.7 3.5 2.5 2.4 2.6 11 5.7 41
16 142 126 42 19 14 3.5 2.5 3.7 4.1 41 24 31
17 49 67 41 12 6.4 3.3 2.4 2.4 3.1 7.1 18 32
18 66 77 28 14 9.8 3.3 2.4 2.1 4.1 3.2 42 13
19 72 143 24 13 17 3.1 2.6 2.5 4.1 6.8 8.1 13
20 60 154 36 16 6.4 3.1 2.6 2.2 2.8 4.2 12 37
21 48 96 67 10 6.7 3.3 2.6 2.1 2.7 2.5 10 56
22 107 39 82 13 5.4 3.1 2.6 2 2.5 2.3 17 103
23 55 34 39 17 4.9 3 2.5 2.1 3.1 2.5 22 38
24 98 49 54 14 4.8 3.1 2.3 2.2 3.8 2.4 12 40
25 31 47 32 20 4.8 3 2.4 2.2 5.3 22 5.2 26
26 72 32 26 9 4.5 2.9 2.4 2.1 2.7 7.4 17 8.3
27 98 74 30 8.9 4.4 2.9 2.6 2 2.4 7.4 24 46
28 82 65 25 32 4.4 3 2.4 2.1 2.4 30 11 8.7
29 52 11 51 13 4.3 3.3 2.4 2.2 2.2 7.6 17 46
30 22   32 13 14 2.9 2.4 2 2 12 31 38
31 15   118   6.7   2.5 2.2   4.1   248