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USGS Daily Statistics for the Nation

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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 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 51 94 48 29 29 25 26 24 27 36 33
2 58 65 80 37 29 28 24 25 24 27 31 49
3 58 62 54 36 39 28 24 23 25 27 29 41
4 104 67 57 53 38 27 25 23 24 32 35 50
5 117 135 91 57 36 31 24 23 26 45 30 38
6 85 157 86 63 49 26 26 23 24 31 31 70
7 117 112 70 54 32 27 25 23 24 30 32 75
8 89 106 54 39 33 27 26 23 26 29 73 36
9 215 69 43 41 29 26 26 24 27 30 56 46
10 196 57 68 40 28 27 27 24 27 30 39 37
11 118 88 95 41 28 27 26 24 33 30 39 60
12 83 136 60 44 31 28 26 25 27 31 39 73
13 64 126 63 45 31 29 26 27 26 35 35 58
14 96 128 62 69 33 29 26 26 25 33 33 61
15 78 69 128 40 31 28 24 29 38 32 35 61
16 77 59 80 39 30 38 24 24 28 34 32 83
17 106 91 64 42 30 28 24 25 28 47 33 55
18 83 88 48 40 31 27 25 24 28 41 36 47
19 61 135 55 32 30 27 25 25 29 31 31 90
20 97 176 70 43 30 27 26 42 29 95 48 98
21 78 134 92 38 27 26 25 34 28 33 64 90
22 106 126 80 34 36 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 65 101 74 40 33 26 24 24 27 32 57 73
29 59 41 50 29 27 26 23 24 27 33 58 80
30 58   56 29 28 25 24 28 28 42 54 51
31 68   42   28   26 24   34   60