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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 -> 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
1 125 92 481 127 28 9.2 0.97 0.1 0.02 28 3 10
2 109 108 512 142 26 9.7 1.1 0.1 0.02 2.9 1.8 10
3 51 132 401 113 35 10 1.5 0.03 0.06 5.2 1.3 12
4 147 129 422 90 30 18 1.4 0.01 0.02 5 1.9 28
5 125 97 422 88 39 24 1.6 0.04 0.19 6.6 1.5 24
6 164 122 406 118 46 18 1.9 0.06 0.11 13 1.3 67
7 223 163 317 99 48 18 1.8 0.04 0.07 2.3 3.8 67
8 220 174 300 79 43 16 1.7 0.02 0.11 3.7 11 32
9 264 316 220 68 43 15 1.5 0.02 0. 3.9 9.5 19
10 309 306 213 67 43 15 1.3 0.02 4.5 3.8 4 16
11 403 204 239 73 34 12 1.2 0.03 1.7 3.3 14 16
12 385 242 219 71 23 11 1.1 0.23 0.03 3.2 12 25
13 225 324 184 61 64 7.5 1.1 0.01 0.02 3.8 40 17
14 286 404 147 70 42 1.3 1 0.01 0.06 1.1 12 11
15 269 311 196 76 22 0.47 1.1 0.05 2 0.09 3.5 31
16 293 291 233 58 13 1.5 0.72 0.03 0.03 0.03 3.7 58
17 266 297 185 68 12 2.5 0.17 6.3 0.03 12 2.2 56
18 221 234 94 59 12 0.56 0.05 7.1 0.02 2.7 14 61
19 182 219 74 35 9.9 0.42 0.39 8.6 0.47 5.9 5.9 74
20 182 286 76 38 7.7 0.34 0.19 8.1 0.12 39 9 126
21 233 363 93 35 5.4 0.3 0.06 7.3 0.37 23 26 129
22 271 419 86 43 13 0.3 0.01 5.7 1.2 21 17 163
23 270 449 149 42 5.7 0.32 0.26 0.17 0.18 23 3.9 67
24 252 470 120 39 5.1 0.28 0.08 0.06 0.82 20 28 75
25 305 551 98 31 4.9 0.22 0.17 0.05 11 20 17 70
26 336 598 97 17 5.2 0.26 0.27 0.06 0.32 8 22 60
27 227 477 145 17 6.2 0.62 0.34 0.09 0.34 41 12 41
28 137 413 171 38 12 0.73 0.36 0.08 2.7 20 17 57
29 179 186 127 28 16 0.71 0.23 0.06 2.7 20 33 78
30 158   81 25 11 0.73 0.18 0.02 7.2 20 26 135
31 132   74   10   0.15 0.02   5.3   137