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USGS Surface-Water 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 11022480 SAN DIEGO R A MAST RD NR SANTEE CA


San Diego County, California
Hydrologic Unit Code 18070304
Latitude  32°50'25", Longitude 117°01'30" NAD27
Drainage area 368  square miles
Gage datum 280 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 1911-10-01 -> 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 21 33 104 67 26 5.9 3.2 2.4 2.5 1.4 4.2 7.6
2 26 53 98 57 27 5.7 3.1 2.4 2.3 1.4 3.5 5.8
3 28 46 110 50 26 5.5 3 2.5 2.3 1.3 3 7.3
4 28 44 91 36 29 5.4 3 2.4 2.3 1.4 4.8 13
5 31 39 103 39 39 5.8 3 2.4 2.3 2.4 4.1 14
6 35 59 84 72 27 5.3 2.9 2.3 1.7 1.7 2.8 20
7 43 55 71 52 23 5.1 2.9 2.3 1.7 1.7 3.1 21
8 33 68 62 57 22 5.1 2.9 2.3 1.3 1.6 8 10
9 29 87 48 48 22 5.3 2.9 2.3 1.3 1.9 6 11
10 29 71 51 52 20 5.5 2.8 2.3 2.1 3.5 6.2 13
11 35 75 73 53 18 4.8 2.8 2.3 2.2 2.7 9.8 12
12 28 50 117 56 17 4.7 2.8 2.2 1.3 2.2 9.9 10
13 27 50 90 92 16 4.5 2.6 2.3 1.3 2.3 5.3 11
14 33 102 89 60 13 4.3 2.6 2.5 1.3 1.7 5.9 14
15 41 114 85 48 13 4.1 2.6 2.3 1.9 1.5 3.8 13
16 53 333 77 43 12 4.1 2.5 2.3 1.7 1.8 4 16
17 43 148 77 38 12 3.9 2.5 3.5 1.6 2.6 4.9 19
18 47 87 63 33 13 3.8 3.2 2.6 1.6 2.9 4.5 14
19 29 77 56 29 12 3.8 3.3 2.4 1.6 7.4 3.7 15
20 35 87 54 29 11 3.7 2.7 5.7 1.6 9.4 6.1 23
21 37 127 61 28 10 3.7 2.5 2.8 1.7 6.9 9.9 29
22 25 95 56 30 11 3.6 2.5 2.6 1.8 3.3 7.5 52
23 25 93 61 26 9.3 3.5 2.5 2.5 1.5 3.3 13 28
24 20 81 55 26 8.4 3.4 2.5 2.4 1.4 2.6 6.8 36
25 29 72 52 23 8.2 3.3 2.5 2.3 3.8 2.7 14 30
26 28 66 51 23 7.6 3.3 2.5 2.5 2 2.8 8.8 114
27 38 72 55 20 7.4 3.2 2.5 2.3 1.5 11 7.6 50
28 24 70 50 21 7.4 3.2 2.4 2.3 1.4 5.2 9.7 29
29 48 52 48 23 6.9 3.2 2.3 2.2 1.3 5.6 12 34
30 57   41 25 6.5 3.2 2.3 2.2 1.4 4.8 15 23
31 52   37   6.2   3.2 2.3   4.3   22