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USGS Surface-Water 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 11042000 SAN LUIS REY R A OCEANSIDE CA


San Diego County, California
Hydrologic Unit Code 18070303
Latitude  33°13'05", Longitude 117°21'34" NAD27
Drainage area 557  square miles
Gage datum 20.00 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 1929-10-01 -> 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 27 54 184 75 38 17 9.2 4.5 4.2 4.8 4.4 15
2 25 48 187 74 35 17 9.2 4.5 4.2 4.3 4.2 9.2
3 25 49 279 62 33 16 9.1 4.6 4 3 3.9 9.7
4 37 50 128 59 33 16 8.8 4.4 3.9 2.6 3.8 10
5 55 49 169 58 34 16 8.7 4.3 3.8 2.4 3.7 10
6 64 63 188 57 34 16 8.6 4.4 3.7 2.5 3.8 13
7 52 143 107 57 32 15 8.4 4.3 3.7 2.6 3.9 30
8 65 72 99 59 31 14 8.1 4.3 3.6 2.8 4.3 11
9 54 84 94 50 30 14 7.8 4.3 3.5 2.6 4.7 10
10 163 70 92 68 30 14 7.6 4.3 2.4 2.6 5.1 11
11 178 68 133 89 28 14 7.5 4.2 2.2 2.7 5.9 12
12 94 58 114 58 26 13 7.4 4.2 2.2 2.9 11 13
13 54 62 104 53 28 13 7 4.3 2.1 2.8 12 12
14 41 136 100 50 27 13 6 4.2 2.1 2.7 8.8 11
15 59 182 104 49 24 12 4.6 4.2 2.1 2.6 7.1 11
16 65 132 147 49 23 12 4.1 4.3 2.1 2.8 6.6 12
17 83 123 112 46 22 12 4.4 5.5 2.1 2.9 6.2 22
18 47 156 135 46 22 11 5.5 4.8 2.1 3 6.9 27
19 42 104 112 45 23 11 5.2 4.7 2.1 3 6.3 31
20 35 128 87 45 22 11 4.9 4.8 2.1 4.4 7 23
21 45 177 102 47 21 11 3.6 5.6 2.1 6.1 9.1 20
22 52 114 103 44 21 11 3.5 5.4 2.2 5.9 10 70
23 54 120 92 41 20 10 3.9 5 2.2 4.7 11 51
24 47 99 98 39 20 10 4.6 5 2.4 4.3 7.5 36
25 44 98 80 38 20 9.8 4.5 4.8 2.5 3.9 17 45
26 52 112 74 38 20 9.6 4.6 4.7 2.5 3.7 10 30
27 43 79 95 38 19 9.6 4.5 4.6 2.5 7.2 7.7 25
28 43 114 113 37 19 9.4 4.5 4.4 2.5 9.6 7.9 25
29 105 85 88 39 18 9.5 4.5 4.5 2.4 8.6 9.3 27
30 66   74 40 18 9.3 4.5 4.3 2.4 6.2 16 34
31 65   66   17   4.5 4.2   5.1   36