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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 1,850 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 -> 2023-09-30)

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 57 73 53 53 72 88 45 12 22 30 94 74
2 67 60 42 53 75 89 46 12 21 33 89 79
3 77 62 49 51 76 80 45 12 16 30 88 94
4 89 61 45 55 71 78 42 12 14 30 119 85
5 101 62 50 79 77 83 38 16 13 23 84 63
6 82 69 45 83 77 75 40 11 19 22 91 65
7 129 73 42 64 75 76 35 13 20 31 93 55
8 79 58 40 60 73 74 36 13 19 47 73 78
9 70 54 57 64 74 70 37 10 16 42 77 72
10 66 56 54 57 73 72 34 9.5 20 47 81 81
11 60 43 60 59 76 68 34 9.6 22 47 77 76
12 89 64 61 64 81 72 41 8.9 14 46 96 89
13 83 59 56 66 88 74 39 10 15 52 98 79
14 110 73 57 74 88 73 30 9.3 21 54 98 79
15 89 80 61 62 86 70 28 11 24 53 72 88
16 82 79 56 58 89 72 26 11 21 58 79 72
17 88 51 42 65 87 64 30 10 27 48 85 68
18 111 56 50 58 84 66 26 11 25 47 84 63
19 82 77 50 59 82 62 23 9.6 25 56 93 56
20 75 63 46 67 83 58 23 12 24 64 85 79
21 55 70 46 59 79 58 21 12 28 66 71 70
22 46 66 49 63 86 59 20 12 30 70 72 57
23 92 49 50 73 84 56 18 15 33 55 103 67
24 96 47 61 70 80 58 19 16 28 54 111 75
25 75 40 52 62 82 58 17 16 30 57 103 65
26 66 33 53 62 84 53 18 14 24 66 82 74
27 53 34 47 74 81 48 17 14 28 55 76 56
28 59 55 48 79 89 51 15 13 30 70 86 62
29 77 54 54 73 94 53 15 15 31 63 69 79
30 79   60 77 89 44 14 14 50 84 58 63
31 83   67   81   13 16   94   53