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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 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 water year of record in, ft3/s   (Calculation Period 1960-10-01 -> 2021-09-30)

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 49 24 20 40 105 128 55 9.4 3.4 2.5 6.5 11
2 46 17 20 40 104 126 55 8.8 2.9 2.6 6.3 17
3 20 16 20 41 108 126 50 8.4 2.8 2.7 6 11
4 16 17 22 43 109 131 47 7.9 2.7 2.6 5.5 9.7
5 15 22 22 45 116 129 46 7.5 2.6 2.6 5.7 13
6 15 16 23 50 113 126 44 6.9 2.6 2.6 5.5 10
7 14 19 24 59 113 121 41 6.7 2.6 2.7 7.3 9.2
8 24 27 36 54 119 114 38 6.5 2.5 2.6 6.3 9
9 23 28 27 54 119 113 39 6.1 2.5 2.7 6.5 10
10 16 22 27 54 118 111 34 5.9 2.6 3 8.1 18
11 17 18 26 56 119 110 31 5.5 2.5 3.5 14 15
12 24 16 24 57 119 107 29 5.3 2.4 3.9 13 19
13 27 18 26 59 121 106 28 5 2.3 7.2 10 13
14 22 22 26 60 125 106 26 4.9 2.3 4.8 11 12
15 19 25 25 61 130 104 25 5.1 2.3 4 11 17
16 28 28 41 61 139 101 23 4.8 2.3 6 14 18
17 26 29 34 62 136 98 22 4.5 2.3 4.5 16 14
18 21 32 28 64 141 95 21 4.3 2.5 3.6 13 13
19 20 26 28 66 140 92 19 4.5 2.4 3.9 11 29
20 21 23 29 67 136 88 18 4.2 2.4 4 11 41
21 33 20 34 70 131 85 17 4.2 2.3 3.7 12 27
22 26 20 35 71 133 83 16 4 2.3 3.6 12 42
23 20 20 36 73 137 80 15 3.8 2.3 4.1 17 39
24 19 18 37 74 138 77 15 3.6 2.4 7.1 19 36
25 17 18 34 75 138 73 14 3.4 3 7.1 13 24
26 16 18 35 81 137 73 13 3.3 2.7 9.5 11 19
27 16 19 34 85 135 68 12 3.1 2.6 5.7 10 17
28 15 21 35 89 134 63 12 3 2.4 6.6 9.4 17
29 15 20 36 93 131 62 11 3 2.4 5.4 9.2 17
30 20   38 96 129 58 11 2.9 2.5 7.3 10 23
31 32   40   132   10 2.9   6.6   42