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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 11097000 BIG TUJUNGA C BL HANSEN DAM CA


Los Angeles County, California
Hydrologic Unit Code 18070105
Latitude  34°15'13", Longitude 118°23'17" NAD27
Drainage area 153  square miles
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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 1947-10-01 -> 2020-09-30)

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 14 11 150 42 26 14 3.2 1.4 2.1 2.4 2.4 4.9
2 14 12 270 36 26 14 2.8 1.5 2.1 4 3 3.4
3 12 17 178 39 23 14 3.1 2.3 2.1 2.2 4.6 2.9
4 9.3 12 150 53 21 13 2.9 3.1 2 1.4 5.6 2.4
5 11 14 139 57 27 14 2.8 2.7 1.8 3.9 5.6 4.7
6 10 30 103 41 31 12 3 2.5 1.7 1.9 5.5 11
7 17 35 95 36 27 10 4 2.1 1.8 1.6 5.8 6.8
8 28 53 73 31 18 10 3.3 2 2.3 1.3 5.9 3
9 79 73 56 26 17 9.1 2.7 2 2 1.3 5.7 2.5
10 132 149 50 26 17 9.9 2.2 1.9 2 1.3 3.7 2.6
11 111 78 59 25 17 7.6 1.7 2.1 2 1.2 4.2 3
12 50 96 60 29 18 7.1 1.3 2.3 2 1.2 4 2
13 36 81 52 23 24 6.7 1.9 2.1 2.1 1.2 3.6 3.4
14 48 70 49 21 25 6.9 2.3 2 1.8 1.2 3.5 1.9
15 45 64 44 21 23 8.5 2.5 1.9 4.6 1.2 3.1 2.9
16 44 54 44 23 23 7.9 2.6 2.1 9 1.2 2.8 2.7
17 48 86 32 19 23 5.9 2.1 2.7 3.1 1.3 2.7 1.8
18 66 88 37 20 23 5.6 2 2.2 2.3 1.4 2.7 1.5
19 49 147 36 18 23 5.3 2 2.5 2.1 1.5 3.3 3.3
20 32 120 27 25 22 5.2 2.2 2.5 2.1 2.6 3 6.6
21 32 135 40 27 22 5 2.1 2.1 2.2 2.2 2.8 0.74
22 30 119 41 30 20 4.8 2.2 2 2.3 3.6 4.7 14
23 34 145 64 26 20 4.6 2.2 2.1 2.2 5.4 35 14
24 49 181 60 25 24 4.9 2 2.1 2.4 1.9 28 7.2
25 163 225 47 24 20 4.8 1.9 2.3 2.4 1.7 7.8 4.5
26 92 146 39 21 20 4.8 1.8 2.3 2.2 1.7 4.7 2.4
27 53 107 37 18 18 4.2 1.6 2.1 2.3 1.8 4.6 4.2
28 41 102 36 19 18 4 1.8 1.9 2.2 1.9 4.5 4.3
29 36 51 30 18 18 4.2 1.9 1.8 2.1 1.7 3.8 14
30 28   33 23 17 4 1.8 1.9 2 2.6 8.4 16
31 20   37   17   1.3 2.1   4   19