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USGS Daily Statistics for Washington

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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 12147600 SOUTH FORK TOLT RIVER NEAR INDEX, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°42'25", Longitude 121°35'56" NAD27
Drainage area 5.34  square miles
Gage datum 1,850 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 1959-10-01 -> 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 55 76 43 54 72 87 46 13 23 29 95 74
2 64 62 40 54 75 88 46 12 22 33 91 79
3 76 64 49 51 76 77 45 12 17 31 90 95
4 90 63 46 54 70 77 42 12 14 31 109 86
5 103 61 52 80 76 81 39 16 14 24 81 64
6 80 70 46 85 75 73 40 11 19 22 92 67
7 125 73 43 65 73 75 35 13 21 31 94 56
8 80 59 41 60 73 74 37 14 19 49 74 77
9 72 55 59 65 75 69 37 11 16 43 78 71
10 68 57 56 58 73 68 35 9.7 21 47 83 83
11 57 44 62 60 77 67 34 9.8 23 48 77 77
12 71 66 63 65 82 71 41 9 14 48 87 92
13 76 60 58 67 88 71 40 11 16 53 99 82
14 110 76 59 76 88 70 30 9.5 22 55 89 82
15 90 83 60 63 85 70 29 12 24 52 69 92
16 84 82 57 59 85 73 27 11 21 59 79 74
17 90 52 43 65 86 64 31 10 28 49 87 69
18 113 59 51 58 83 66 26 11 24 49 87 63
19 84 80 50 59 82 62 23 9.9 24 58 95 52
20 69 64 46 67 84 58 24 12 23 65 88 76
21 54 72 46 59 80 58 22 12 28 68 73 69
22 46 60 49 63 87 58 20 12 31 71 73 54
23 95 48 49 74 85 56 19 16 34 56 104 67
24 99 48 60 70 80 59 19 16 28 55 114 70
25 77 41 53 61 81 58 18 16 30 57 105 61
26 68 34 53 62 83 53 18 14 25 64 76 72
27 55 34 47 75 79 48 17 14 28 53 73 55
28 61 45 48 80 86 50 16 13 28 60 81 62
29 80 54 55 73 92 52 15 15 31 59 67 82
30 82   60 77 88 44 14 14 49 82 57 64
31 86   68   80   13 16   89   50