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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 11078000 SANTA ANA R A SANTA ANA CA


Orange County, California
Hydrologic Unit Code 18070203
Latitude  33°45'04", Longitude 117°54'27" NAD27
Drainage area 1,700  square miles
Gage datum 70 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 1939-10-01 -> 2022-09-30)

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
1 123 90 469 124 27 9.1 0.96 0.1 0.02 27 3 10
2 108 106 499 138 25 9.5 1.1 0.1 0.02 2.9 1.8 10
3 50 129 392 110 35 10 1.5 0.03 0.06 5.2 1.3 12
4 146 126 412 87 30 17 1.4 0.01 0.02 5 1.9 27
5 123 95 411 85 38 23 1.6 0.04 0.19 6.5 1.5 24
6 162 119 396 115 46 18 1.9 0.06 0.11 13 1.3 66
7 218 159 309 96 48 17 1.8 0.04 0.07 2.3 3.8 66
8 215 169 293 77 43 16 1.6 0.02 0.11 3.7 11 32
9 257 308 214 66 42 15 1.5 0.02 0. 3.9 9.4 18
10 301 298 209 65 43 14 1.2 0.02 4.4 3.7 3.9 16
11 393 199 234 71 34 12 1.2 0.03 1.7 3.3 14 16
12 375 236 214 69 23 11 1.1 0.22 0.03 3.1 11 25
13 220 316 180 60 63 7.4 1 0.01 0.02 3.8 40 16
14 279 394 144 68 42 1.3 1 0.01 0.06 1.1 12 14
15 263 303 191 74 22 0.47 1.1 0.05 1.9 0.09 3.4 31
16 285 284 228 56 13 1.5 0.71 0.03 0.03 0.03 3.6 58
17 259 290 181 66 12 2.4 0.17 6.2 0.03 12 2.2 56
18 215 228 91 58 12 0.55 0.05 7 0.02 2.7 14 60
19 178 213 72 34 9.8 0.42 0.39 8.5 0.46 5.8 5.9 73
20 177 279 74 38 7.6 0.34 0.19 8 0.12 39 8.9 125
21 228 354 91 35 5.3 0.3 0.06 7.2 0.37 23 25 127
22 264 409 84 42 13 0.3 0.01 5.6 1.2 21 16 161
23 263 438 145 41 5.6 0.32 0.25 0.17 0.18 23 3.9 68
24 246 459 117 39 5 0.28 0.08 0.06 0.81 20 28 92
25 298 538 95 30 4.8 0.22 0.17 0.05 11 20 17 83
26 328 583 94 17 5.1 0.26 0.27 0.06 0.32 7.9 21 71
27 222 466 142 17 6.2 0.61 0.34 0.08 0.33 40 12 43
28 133 403 167 37 12 0.72 0.36 0.08 2.7 20 17 58
29 178 186 124 28 16 0.7 0.23 0.06 2.7 20 32 88
30 154   79 25 11 0.72 0.17 0.02 7.1 19 25 154
31 129   72   10   0.14 0.02   5.2   136