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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 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 1,838.84 feet above NAVD88
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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 -> 2025-09-30)

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 56 73 53 52 72 85 44 12 22 29 92 72
2 66 60 42 52 75 88 45 11 21 32 91 77
3 75 61 49 50 77 81 44 11 16 30 88 92
4 87 60 45 53 71 79 41 11 14 29 121 85
5 100 60 50 76 77 82 37 15 13 23 84 73
6 81 68 44 81 78 73 38 11 18 22 90 68
7 126 71 42 64 75 74 34 12 20 30 94 60
8 77 57 39 61 72 72 35 13 18 46 72 79
9 71 53 56 68 73 68 36 10 15 41 75 71
10 66 54 53 61 72 70 33 9.3 20 46 80 86
11 60 43 59 60 76 66 33 9.3 22 47 79 77
12 87 64 60 63 81 70 39 8.6 13 45 97 88
13 82 58 56 64 87 71 38 10 15 51 98 77
14 107 71 56 73 88 70 29 9 21 53 97 77
15 87 78 59 61 86 68 27 13 23 51 72 87
16 80 77 55 57 88 71 25 15 20 58 77 71
17 86 50 42 63 87 63 29 10 27 48 87 67
18 108 55 50 57 85 65 25 11 24 47 84 66
19 80 75 50 58 83 61 22 9.5 25 57 91 56
20 73 62 46 65 83 57 23 12 24 65 84 78
21 54 69 46 58 79 57 21 12 27 66 70 69
22 46 69 48 61 87 57 19 12 29 69 71 57
23 91 56 54 71 83 55 18 15 32 54 101 68
24 94 50 69 69 78 56 18 16 27 53 109 74
25 74 44 56 62 80 56 17 16 29 55 101 64
26 66 35 55 64 83 52 17 14 24 65 80 74
27 55 34 51 74 80 48 16 14 29 57 74 57
28 64 56 49 80 88 50 15 13 31 70 83 64
29 78 61 54 75 92 51 15 15 31 64 67 79
30 78   58 77 87 43 14 14 49 82 57 63
31 83   66   79   12 15   92   53