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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 11085000 SAN GABRIEL R BL SANTA FE DAM NR BALDWIN PK CA


Los Angeles County, California
Hydrologic Unit Code 18070106
Latitude  34°06'44", Longitude 117°58'07" NAD27
Drainage area 236  square miles
Gage datum 402.38 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 1942-10-01 -> 2024-09-30)

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 57 45 275 77 68 29 12 16 5.2 3.8 7.4 13
2 31 48 375 81 62 27 12 15 4.9 2.9 7.3 16
3 24 56 374 60 56 27 1.8 13 3.8 2.8 7.1 17
4 22 44 371 60 59 28 1.8 13 1.6 4.3 7.1 19
5 24 70 363 71 60 26 3.5 13 0.81 4.3 8 18
6 23 112 302 68 89 25 8.5 13 2.1 2.3 11 18
7 19 81 249 51 74 24 10 11 2.7 0.75 7.1 18
8 19 70 246 53 48 20 11 11 2.9 0. 6.6 19
9 171 72 219 50 47 24 15 11 2.9 0. 6.5 18
10 253 61 143 37 50 26 19 13 2.6 0.03 6.1 18
11 270 72 99 32 47 22 16 14 6.9 0.07 5.6 19
12 123 93 90 34 75 22 9.6 12 7.8 0.08 2.9 18
13 96 96 92 33 87 23 5.6 10 11 0.15 1.6 17
14 221 116 92 30 70 24 8.2 10 13 0.13 1.4 18
15 191 129 108 33 55 21 12 10 15 1.8 0.57 18
16 145 177 128 41 52 18 16 9.1 14 1.7 0.06 17
17 130 274 126 28 54 19 20 5.2 13 1.2 0.03 12
18 194 177 86 24 51 22 19 4.5 14 1 0.18 10
19 139 283 88 27 48 21 18 10 12 0.45 0. 10
20 103 341 102 34 44 18 19 11 11 2.2 2.2 9.6
21 75 346 112 46 46 17 17 12 12 1.9 0.75 9.5
22 59 333 109 55 43 13 16 12 12 2.9 0.2 17
23 153 283 101 56 44 5 18 11 10 1.7 82 27
24 186 409 83 55 49 8.7 18 8.9 6.8 0.13 75 26
25 278 448 82 52 48 17 16 3.9 6.3 0.22 36 27
26 441 471 84 51 41 18 15 2.9 6.3 0.19 20 30
27 207 356 83 52 39 19 13 3.8 3.4 2.4 9.9 23
28 206 264 76 49 43 18 14 4 3.6 6.7 14 33
29 45 27 56 51 42 16 15 4.2 4 6.9 13 53
30 46   47 76 39 16 17 4.8 4 9.4 12 58
31 49   64   31   17 5.5   7.9   66