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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 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
Gage datum 945.75 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 1947-10-01 -> 2022-09-30)

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 13 10 144 41 25 13 3.1 1.4 2 2.3 2.3 4.7
2 13 11 259 35 25 14 2.8 1.5 2 3.9 2.9 3.3
3 11 17 171 37 22 14 3 2.2 2 2.1 4.4 2.8
4 8.9 11 144 51 20 13 2.9 3 1.9 1.4 5.3 2.3
5 11 14 133 55 26 14 2.7 2.6 1.8 3.7 5.4 4.5
6 9.9 29 99 40 30 12 2.9 2.4 1.7 1.9 5.3 11
7 16 33 92 35 26 9.6 3.9 2 1.8 1.6 5.6 6.5
8 27 51 70 30 17 9.8 3.2 1.9 2.3 1.3 5.6 2.9
9 76 70 54 25 17 8.8 2.6 1.9 2 1.2 5.5 2.4
10 126 143 48 25 17 9.7 2.1 1.8 2 1.2 3.6 2.5
11 107 75 56 24 17 7.4 1.6 2.1 1.9 1.1 4.1 2.9
12 48 93 58 28 17 6.9 1.3 2.2 2 1.2 3.8 1.9
13 35 78 50 22 23 6.5 1.8 2 2 1.2 3.5 3.3
14 46 67 47 20 24 6.7 2.2 2 1.8 1.2 3.4 1.8
15 44 61 42 20 22 8.3 2.4 1.8 4.4 1.1 2.9 2.7
16 43 52 43 22 22 7.6 2.5 2.1 8.8 1.1 2.7 2.6
17 46 82 31 18 22 5.7 2.1 2.6 3.1 1.2 2.6 1.7
18 63 84 36 19 22 5.4 1.9 2.2 2.2 1.3 2.6 1.4
19 47 141 35 18 22 5.1 2 2.4 2.1 1.4 3.2 3.2
20 31 116 26 24 21 5 2.1 2.4 2.1 2.5 2.9 6.3
21 31 130 38 26 21 4.8 2 2.1 2.1 2.1 2.7 0.71
22 29 114 39 29 19 4.7 2.1 2 2.2 3.5 4.5 14
23 32 139 61 25 20 4.5 2.1 2 2.2 5.2 33 13
24 47 174 57 24 23 4.8 1.9 2 2.3 1.8 27 6.9
25 156 216 45 23 19 4.6 1.8 2.3 2.4 1.7 7.5 4.3
26 88 140 38 20 19 4.7 1.7 2.2 2.2 1.6 4.6 2.3
27 51 103 35 17 17 4.1 1.5 2 2.3 1.7 4.5 4.1
28 39 98 34 18 17 3.9 1.8 1.8 2.1 1.8 4.4 4.1
29 34 48 29 17 17 4.1 1.9 1.8 2 1.6 3.6 13
30 27   32 22 16 3.9 1.7 1.9 1.9 2.5 8.1 15
31 20   36   16   1.3 2   3.8   18