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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 11046530 SAN JUAN C AT LA NOVIA ST BR AT SAN JUAN CAPIS CA


Orange County, California
Hydrologic Unit Code 18070301
Latitude  33°30'09", Longitude 117°38'50" NAD27
Drainage area 109  square miles
Gage datum 81.51 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 1985-10-01 -> 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 12 15 71 31 8.8 3.8 1.7 0.59 0.33 0.24 0.6 3
2 11 18 50 25 8.6 3.8 1.7 0.56 0.33 0.24 0.58 2.3
3 15 24 46 23 8.7 3.7 1.6 0.53 0.38 0.26 0.58 2
4 23 18 37 25 8.7 3.5 1.6 0.51 0.36 0.27 0.56 2.3
5 22 31 179 28 10 3.9 1.5 0.49 0.37 0.43 0.51 2.2
6 16 46 140 30 13 3.5 1.3 0.48 0.36 0.54 0.53 8.6
7 37 33 51 26 12 3.4 1.2 0.49 0.36 0.28 0.55 9.3
8 41 92 42 24 9 3.3 1.1 0.47 0.37 0.24 1.3 3.2
9 106 55 37 23 8.6 3.2 1.1 0.5 0.3 0.25 1 2.5
10 160 33 37 31 8.1 3 1 0.52 0.27 0.26 0.61 3.2
11 241 29 83 21 7.8 3 0.95 0.47 0.27 0.29 1.1 4.8
12 35 40 38 20 8 3.1 0.93 0.46 0.29 0.32 1.3 3.6
13 26 39 31 17 14 3.1 0.9 0.42 0.28 0.31 1.1 2.3
14 35 125 29 18 12 2.9 0.79 0.41 0.31 0.28 0.89 2.2
15 48 86 71 19 9.6 2.8 0.74 0.39 0.32 0.27 0.87 5.6
16 148 53 69 15 8.9 2.7 0.74 0.37 0.29 0.49 0.87 3.2
17 87 46 40 15 8.4 3 0.7 0.37 0.29 1.3 0.83 5.3
18 107 52 30 16 8 2.7 0.69 0.36 0.33 1.3 0.78 5.5
19 50 76 30 14 7.5 2.5 0.69 0.36 0.28 1.2 0.84 8.3
20 35 87 29 13 7.1 2.4 0.69 1.2 0.31 8.2 1.5 18
21 42 93 46 13 6.8 2.4 0.74 2.8 0.32 1.2 4 45
22 68 125 41 12 6.8 2.3 0.71 1 0.33 0.69 5.1 177
23 44 194 52 11 6.5 2.1 0.69 0.72 0.3 0.58 1.4 29
24 22 201 38 12 6 2.1 0.7 0.68 0.3 0.5 3.4 18
25 26 105 38 11 5.7 2 0.7 0.6 0.29 0.5 3.7 11
26 62 92 34 11 5.2 1.9 0.7 0.48 0.3 0.56 2.3 17
27 29 72 43 11 4.9 1.8 0.7 0.44 0.29 8.9 2.5 7.3
28 19 60 30 10 4.9 1.8 0.66 0.44 0.26 3 8.8 8.6
29 17 11 29 9.6 4.6 1.9 0.6 0.39 0.26 0.87 9.3 21
30 13   29 9.2 4.3 1.7 0.64 0.37 0.26 1 4.5 9
31 14   33   4   0.6 0.37   0.79   11