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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 57 - 58 years of record in, ft3/s   (Calculation Period 1960-10-01 -> 2018-09-30)

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 40 104 129 56 9.6 3.4 2.6 6.7 11
2 49 17 20 40 103 126 56 9.0 3.0 2.7 6.5 17
3 21 16 21 41 107 125 51 8.5 2.8 2.7 6.3 11
4 17 18 23 43 109 130 48 8.1 2.7 2.6 5.7 9.9
5 16 23 23 45 117 127 47 7.7 2.7 2.7 5.9 13
6 15 17 23 47 112 124 45 7.1 2.6 2.7 5.8 11
7 14 20 25 49 111 121 42 6.8 2.6 2.7 7.6 9.4
8 29 31 38 50 117 115 38 6.6 2.6 2.7 6.6 9.1
9 25 31 28 51 117 115 40 6.2 2.6 2.7 6.6 10
10 16 23 28 53 117 112 34 6.0 2.7 3.0 8.3 21
11 17 18 27 55 118 111 31 5.6 2.5 3.6 15 16
12 24 17 24 57 119 107 29 5.4 2.4 4.0 14 19
13 28 18 27 59 120 105 28 5.1 2.4 7.5 11 13
14 23 21 26 59 125 106 27 5.0 2.3 5.0 12 13
15 19 25 26 60 130 104 25 5.3 2.3 4.2 11 20
16 29 29 43 60 139 101 24 4.9 2.3 6.2 11 21
17 27 30 35 62 137 98 23 4.6 2.4 4.7 15 14
18 22 33 29 64 142 96 21 4.4 2.5 3.7 13 14
19 21 26 29 65 141 93 20 4.6 2.5 4.1 11 31
20 22 24 30 66 138 88 18 4.3 2.4 4.1 11 43
21 34 21 34 69 134 86 17 4.2 2.3 3.8 12 28
22 28 20 34 70 136 84 16 4.1 2.3 3.7 12 44
23 21 20 35 72 139 81 16 3.9 2.4 4.3 17 41
24 19 19 37 71 141 78 15 3.6 2.5 7.5 20 38
25 18 18 34 71 140 75 14 3.4 3.1 7.4 13 25
26 17 18 35 77 139 74 13 3.3 2.8 10 10 20
27 17 20 34 81 137 69 12 3.2 2.7 5.9 9.1 17
28 15 22 35 85 136 64 12 3.1 2.5 6.9 9.1 18
29 16 21 36 90 132 64 11 3.0 2.4 5.6 9.1 18
30 20   38 93 130 59 11 2.9 2.5 7.6 10 25
31 34   41   134   10 2.9   6.8   45