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USGS Daily Statistics for the Nation

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 11044300 SANTA MARGARITA R A FPUD SUMP NR FALLBROOK CA


San Diego County, California
Hydrologic Unit Code 18070302
Latitude  33°24'49", Longitude 117°14'25" NAD27
Drainage area 620  square miles
Gage datum 335.58 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 1989-10-01 -> 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 37 43 277 51 13 9.9 6.6 5.9 5.4 5.4 6.8 58
2 24 33 63 28 12 10 6.2 5.6 5.5 5.2 6 9.9
3 57 58 43 23 12 10 6.2 5.3 5.4 5.3 5.7 8.4
4 72 46 31 22 18 10 6.2 5.2 5.4 5.8 5.8 34
5 91 59 63 38 22 11 6.3 5 5.3 6.4 5.7 17
6 124 127 65 30 17 11 6.2 5 5.2 6.7 5.5 35
7 176 86 45 52 14 10 6.1 5 5.1 5.9 5.5 38
8 65 343 37 36 13 9.7 6.1 4.9 5 6.2 15 22
9 153 91 32 28 12 9.4 6.9 4.8 5.3 6 18 10
10 162 44 43 151 12 9.9 6.6 4.8 5.3 5.5 8.5 12
11 222 46 137 46 12 9.3 6.3 4.8 5.3 5.4 7.4 10
12 64 105 78 30 13 8.8 6.1 4.6 5.6 5.9 7.3 20
13 92 98 76 24 22 8.7 6.2 4.8 5.4 6.9 8.8 36
14 110 469 39 34 16 8.7 6 5.1 5.4 7 8 39
15 121 127 97 32 17 8.5 5.9 5.1 5.6 5.9 6.8 33
16 506 47 83 21 15 8.6 5.8 5.1 5.7 5.9 9.5 28
17 200 88 40 20 13 8 5.9 5.2 5.6 6.7 6.8 37
18 259 108 32 23 13 7.8 6 5.3 5.6 8.3 6.3 30
19 71 195 35 19 13 7.6 6 5.3 5.3 8.2 6.2 15
20 97 125 50 17 12 7.4 5.9 15 5.7 57 7 51
21 157 152 125 17 12 7.2 5.8 27 5.8 15 21 131
22 201 203 84 16 12 7.3 5.6 7.4 5.7 7.5 27 438
23 162 256 84 15 20 7.5 5.7 6 5.6 6.5 8.7 75
24 43 194 45 16 15 7.5 5.7 5.5 5.3 6.3 7.1 83
25 46 164 45 16 13 7 5.7 5.3 5.1 6.4 10 25
26 52 141 46 17 12 6.8 5.6 5.3 6.1 6.5 7.5 47
27 56 117 184 16 11 6.5 5.6 5.2 5.5 63 11 18
28 45 160 60 20 11 6.5 5.7 5.3 5.3 27 19 35
29 34 18 45 15 11 6.8 5.8 5.3 5.3 12 23 129
30 21   52 14 9.8 6.5 5.8 5.2 5.2 8.2 44 39
31 27   63   9.8   5.7 5   8.2   27