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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 11092450 LOS ANGELES R A SEPULVEDA DAM CA


Los Angeles County, California
Hydrologic Unit Code 18070105
Latitude  34°09'42", Longitude 118°27'57" NAD27
Drainage area 158  square miles
Gage datum 663.00 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 1942-10-01 -> 2021-09-30)

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 44 55 224 114 29 28 27 28 28 28 33 40
2 112 128 169 45 31 27 27 28 28 28 27 82
3 137 114 82 79 65 27 27 29 28 28 30 63
4 119 103 283 83 28 27 27 28 29 28 31 97
5 182 105 107 70 28 27 27 29 35 36 39 71
6 168 238 133 83 37 27 27 28 31 32 64 101
7 219 99 99 64 32 27 27 32 27 30 107 53
8 86 105 169 69 65 27 27 28 28 27 61 35
9 277 243 43 81 49 27 27 28 27 27 46 36
10 168 275 75 43 29 28 27 28 47 26 32 36
11 90 293 67 48 31 27 29 30 30 31 39 42
12 97 278 87 55 32 27 28 28 27 27 42 118
13 63 94 77 67 28 28 28 27 26 40 34 42
14 119 92 48 76 31 28 28 27 27 55 58 37
15 136 52 196 48 28 29 28 29 41 30 58 100
16 206 111 122 32 33 30 28 27 27 29 75 97
17 107 187 76 32 30 28 28 63 28 54 107 56
18 210 155 42 38 33 28 36 29 28 41 43 131
19 135 206 39 32 31 27 30 27 28 45 52 132
20 193 130 228 42 28 27 29 28 27 70 102 102
21 156 196 142 34 27 27 29 28 29 29 133 94
22 211 211 142 36 42 27 28 28 44 28 140 120
23 136 173 57 30 27 27 29 28 27 27 45 85
24 186 109 36 32 28 27 28 28 27 32 52 106
25 268 168 66 31 26 27 29 28 27 35 44 93
26 165 110 40 40 27 28 28 29 27 58 60 109
27 128 138 91 40 27 27 28 28 27 47 35 99
28 71 242 101 48 27 27 28 28 30 32 69 240
29 57 45 41 29 27 27 28 27 29 28 154 211
30 80   43 33 27 27 27 28 28 34 72 56
31 96   65   28   28 28   28   82