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USGS 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 10336660 BLACKWOOD C NR TAHOE CITY CA


Placer County, California
Hydrologic Unit Code 16050101
Latitude  39°06'27", Longitude 120°09'40" NAD27
Drainage area 11.2  square miles
Gage datum 6,234.59 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 56 - 57 years of record in, ft3/s   (Calculation Period 1960-10-01 -> 2017-09-30)

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 52 25 21 40 103 127 55 9.5 3.4 2.5 5.8 11
2 50 17 20 39 101 124 55 8.9 2.9 2.7 5.8 18
3 21 16 21 40 105 123 50 8.5 2.8 2.7 5.7 11
4 17 17 23 42 105 127 47 8.0 2.7 2.6 5.2 9.9
5 16 22 23 45 111 125 46 7.6 2.6 2.7 5.5 13
6 15 16 23 46 108 122 44 7.0 2.6 2.7 5.3 11
7 14 16 25 47 108 118 41 6.8 2.6 2.7 7.3 9.4
8 13 18 38 49 115 113 38 6.6 2.5 2.7 6.3 8.9
9 13 19 28 51 115 112 39 6.2 2.5 2.7 6.3 9.7
10 13 17 28 52 114 108 34 5.9 2.6 3.0 8.1 10
11 15 15 27 55 114 108 30 5.5 2.5 3.6 15 11
12 23 15 24 56 115 105 29 5.4 2.4 4.0 14 18
13 27 16 27 58 119 104 28 5.1 2.3 7.5 11 12
14 22 20 26 59 124 104 27 5.0 2.3 5.0 12 12
15 19 24 26 60 130 102 25 5.2 2.3 4.2 11 12
16 28 28 42 59 139 99 24 4.8 2.3 6.2 11 11
17 26 29 35 60 137 95 22 4.6 2.3 4.7 15 12
18 21 33 29 61 142 92 21 4.4 2.4 3.4 13 12
19 20 26 28 64 141 88 19 4.5 2.4 3.9 11 30
20 22 23 29 65 137 83 18 4.3 2.3 3.9 11 43
21 34 20 32 69 132 82 17 4.2 2.2 3.6 12 28
22 27 20 32 69 133 81 16 4.0 2.3 3.6 12 44
23 21 20 34 70 136 79 15 3.8 2.3 4.2 17 41
24 19 19 36 69 136 76 15 3.6 2.4 7.4 20 38
25 17 18 34 70 136 72 14 3.4 3.1 7.4 13 25
26 16 18 35 76 136 72 13 3.3 2.8 10 10 20
27 17 20 34 80 135 68 12 3.2 2.6 5.5 9.0 17
28 15 21 35 84 133 63 12 3.1 2.4 5.0 9.0 18
29 16 21 36 89 130 63 11 3.0 2.4 4.6 9.0 17
30 20   37 92 127 58 11 2.9 2.5 5.8 10 24
31 34   40   131   10 2.9   5.5   45