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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 11051499 SANTA ANA R NR MENTONE (RIVER ONLY) CA


San Bernardino County, California
Hydrologic Unit Code 18070203
Latitude  34°06'30", Longitude 117°05'59" NAD27
Drainage area 210  square miles
Gage datum 1,950 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 1994-10-01 -> 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 2.7 26 106 103 49 36 11 16 5.3 1.8 2.4 3.1
2 2.6 20 31 100 50 30 12 16 5.2 2.1 2.6 2.9
3 8.4 19 37 99 47 30 12 17 5.7 1.8 2.3 3.2
4 5.4 20 37 93 47 29 12 16 4.8 2.0 2.1 3.6
5 13 20 121 96 53 28 12 16 4.6 2.2 2.0 3.6
6 7.5 19 113 95 67 27 12 16 4.4 4.4 2.0 4.9
7 12 21 101 91 59 26 12 16 4.3 3.9 2.0 4.2
8 32 35 95 92 45 23 11 15 3.9 3.4 2.9 4.5
9 34 20 70 90 47 22 11 15 3.5 2.9 4.5 3.6
10 39 18 51 81 52 21 11 16 2.8 2.6 4.6 6.5
11 42 15 94 76 82 19 10 16 3.3 2.3 6.5 4.8
12 23 13 81 74 99 18 16 16 4.3 1.5 11 4.6
13 20 13 75 71 108 18 33 18 3.6 1.5 7.9 4.4
14 17 88 71 63 93 18 37 17 3.6 1.3 4.3 4.2
15 18 151 70 70 63 18 36 14 3.3 1.2 6.4 4.1
16 16 71 70 77 59 18 21 8.6 4.4 1.3 7.3 3.9
17 17 41 69 82 62 18 19 8.0 3.6 2.0 7.8 4.0
18 15 33 71 89 61 17 18 7.4 2.9 3.0 9.1 4.1
19 9.0 29 85 84 58 17 18 6.8 2.2 4.1 5.0 3.7
20 7.1 47 91 81 47 17 19 4.7 2.0 14 2.5 3.0
21 6.5 67 87 71 39 16 19 3.7 2.1 23 3.6 2.4
22 6.4 63 85 65 39 16 16 3.5 2.2 10 11 3.5
23 6.5 65 74 62 43 14 18 3.4 2.4 6.8 6.3 3.2
24 12 77 73 56 41 16 18 3.2 2.2 5.7 4.5 2.9
25 17 48 81 57 42 22 18 3.0 2.1 4.0 4.0 3.0
26 55 39 83 49 41 20 18 2.6 2.5 3.0 3.9 4.7
27 33 33 82 43 43 15 17 2.4 2.2 3.2 4.0 5.2
28 24 41 107 41 38 14 16 2.4 2.0 2.3 4.7 5.7
29 21 11 111 44 37 12 15 2.4 1.9 2.2 4.5 5.0
30 20   108 48 39 12 15 2.2 1.9 2.1 3.7 2.9
31 22   102   41   16 2.5   2.2   2.6