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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 11066460 SANTA ANA R A MWD CROSSING CA


Riverside County, California
Hydrologic Unit Code 18070203
Latitude  33°58'06.50", Longitude 117°26'53.60" NAD83
Drainage area 852  square miles
Gage datum 685.64 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 1999-10-01 -> 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
1 141 89 289 127 79 65 50 55 52 54 64 103
2 121 117 152 126 79 65 50 54 53 53 59 80
3 131 156 128 119 81 67 49 68 53 53 60 81
4 86 119 101 132 88 64 49 67 52 53 63 127
5 267 365 122 284 88 64 49 55 51 63 59 76
6 169 352 122 178 84 64 49 55 51 58 61 126
7 226 169 133 174 73 63 50 55 66 54 63 161
8 231 128 126 138 74 63 50 54 59 54 101 87
9 831 173 94 141 70 62 49 55 52 55 115 70
10 942 103 129 146 74 61 49 56 50 56 96 68
11 1,020 155 124 116 91 60 49 57 51 56 63 82
12 240 192 162 118 93 59 48 57 54 55 68 164
13 127 242 160 110 90 59 52 57 54 67 67 190
14 120 484 123 147 81 58 50 55 50 57 62 133
15 155 176 338 138 76 55 57 56 116 58 63 150
16 186 134 217 102 81 54 57 55 55 59 67 155
17 258 128 145 110 86 54 50 54 51 80 62 164
18 168 219 122 119 82 54 52 56 51 101 62 101
19 155 254 109 96 92 54 57 56 49 62 62 191
20 270 271 119 97 80 54 63 88 51 288 74 497
21 364 306 182 90 73 53 50 118 51 84 136 692
22 491 210 179 83 89 53 49 60 52 62 84 798
23 263 205 157 82 93 53 53 59 52 60 62 166
24 101 134 121 84 80 54 52 55 50 69 83 313
25 118 298 115 85 73 62 53 53 50 62 72 205
26 100 313 112 95 72 59 57 53 50 61 88 156
27 137 195 107 83 73 54 54 52 50 246 93 102
28 134 295 113 86 69 51 51 54 51 76 109 183
29 127 85 153 78 66 50 50 58 51 63 105 243
30 85   163 80 66 51 51 54 51 64 133 88
31 90   136   66   57 55   60   117