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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 -> 2024-09-30)

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 48 24 20 39 106 129 55 9.2 3.3 2.5 6.8 11
2 45 16 19 39 104 126 54 8.6 2.9 2.6 6.7 16
3 20 16 20 41 107 126 50 8.2 2.8 2.6 6.4 11
4 16 17 22 43 108 131 47 7.8 2.7 2.5 6 9.5
5 16 21 22 45 115 130 46 7.4 2.6 2.6 6.1 12
6 15 16 22 49 112 127 44 6.8 2.6 2.6 5.8 10
7 14 18 24 57 112 121 41 6.6 2.5 2.6 7.4 9.1
8 24 26 35 53 117 114 37 6.4 2.5 2.6 6.5 8.8
9 23 27 27 54 116 113 39 6 2.5 2.6 7.7 9.8
10 17 22 26 54 116 110 33 5.8 2.6 2.9 8.9 18
11 17 17 26 56 116 110 30 5.4 2.4 3.5 14 14
12 24 16 24 58 117 107 29 5.2 2.4 3.8 13 18
13 27 18 26 59 120 106 27 4.9 2.3 6.9 11 12
14 22 22 26 59 124 106 26 4.9 2.3 4.7 11 12
15 19 24 26 60 130 104 25 5.1 2.3 3.9 11 17
16 27 28 40 60 139 100 23 4.7 2.3 5.8 14 18
17 25 28 34 62 137 97 22 4.5 2.3 4.4 15 13
18 21 31 28 64 142 95 21 4.3 2.4 3.5 12 13
19 20 25 28 66 142 92 19 4.5 2.4 3.8 11 28
20 21 23 29 67 138 86 18 4.2 2.3 3.9 11 39
21 32 20 33 70 135 83 17 4.2 2.2 3.6 12 26
22 26 19 35 72 136 81 16 4 2.3 3.5 12 40
23 20 20 35 75 139 78 15 3.8 2.3 4 16 38
24 19 18 36 75 139 75 14 3.6 2.4 11 19 35
25 17 18 34 76 139 72 14 3.4 3 8.6 13 23
26 16 17 35 81 138 71 13 3.3 2.7 9.5 10 19
27 16 19 34 85 136 67 12 3.1 2.6 5.9 9.8 16
28 15 21 35 89 134 62 11 3 2.4 6.8 9.2 17
29 15 20 35 93 131 61 11 3 2.4 5.7 9.1 17
30 19   37 97 130 57 11 2.9 2.4 7.6 10 24
31 31   39   133   10 2.9   7   46