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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 11073495 CUCAMONGA C NR MIRA LOMA CA


San Bernardino County, California
Hydrologic Unit Code 18070203
Latitude  33°58'58", Longitude 117°35'55" NAD27
Drainage area 75.8  square miles
Gage datum 641.25 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 1985-10-01 -> 2025-09-30)

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 45 59 94 48 32 29 25 26 24 27 36 33
2 58 69 80 37 30 29 24 25 24 27 31 49
3 58 65 54 36 39 28 24 23 25 27 29 41
4 104 71 57 53 38 27 25 23 24 32 35 50
5 117 137 91 57 37 31 24 23 26 45 30 38
6 85 158 86 63 51 26 26 23 24 31 31 70
7 117 112 70 54 33 27 25 23 24 30 32 75
8 89 107 54 39 34 27 26 23 26 29 73 36
9 215 69 43 41 30 26 26 24 27 30 56 46
10 196 57 69 40 30 27 27 24 27 30 39 37
11 118 88 97 41 31 26 26 24 33 30 39 60
12 83 136 61 44 32 28 26 25 27 31 39 73
13 64 126 63 45 32 28 26 27 26 35 35 58
14 96 128 64 69 34 29 26 26 25 33 33 61
15 78 69 130 40 32 28 24 29 38 32 35 61
16 77 59 84 39 31 38 24 24 28 34 32 83
17 106 91 70 42 31 28 24 25 28 47 33 55
18 83 88 49 40 33 27 25 24 28 41 36 47
19 61 135 55 32 31 27 25 25 29 31 31 90
20 97 176 70 43 32 27 26 42 29 95 48 98
21 78 134 92 38 29 26 25 34 28 33 64 90
22 106 126 80 34 38 26 24 25 29 36 39 123
23 67 139 81 31 36 25 24 24 31 32 30 76
24 53 85 55 33 30 25 24 24 39 30 44 84
25 81 108 71 36 28 26 24 24 44 31 34 104
26 83 127 60 41 30 28 33 23 29 32 48 76
27 65 98 65 33 29 25 25 23 28 69 36 51
28 66 101 74 42 33 26 24 24 27 32 57 73
29 64 41 50 31 27 26 23 24 27 33 58 80
30 67   56 31 28 25 24 28 28 42 54 51
31 79   42   29   26 24   34   60