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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 12120600 ISSAQUAH CREEK NEAR HOBART, WA


King County, Washington
Hydrologic Unit Code 17110012
Latitude  47°27'27", Longitude 122°00'14" NAD27
Drainage area 17.6  square miles
Gage datum 326.63 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 1986-10-01 -> 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 85 100 82 61 44 36 21 12 12 16 43 84
2 82 84 73 65 43 36 21 12 11 15 40 75
3 86 76 79 63 43 38 23 12 12 15 36 81
4 77 77 76 63 42 37 22 12 11 15 44 83
5 83 88 73 72 45 35 21 12 11 14 46 82
6 101 103 72 65 44 34 20 12 12 13 63 76
7 135 93 69 64 43 36 20 12 11 14 76 71
8 109 100 64 66 40 33 20 12 11 16 56 78
9 115 94 69 64 39 35 22 12 11 16 54 86
10 105 83 76 61 38 38 21 12 12 19 63 77
11 105 70 70 66 37 39 23 11 12 19 59 79
12 109 65 73 64 35 39 20 11 11 16 76 86
13 103 60 75 64 35 39 19 12 11 17 82 90
14 94 61 75 70 35 34 17 12 11 18 98 86
15 86 62 81 64 37 32 17 11 12 19 74 75
16 86 70 82 62 38 31 17 11 12 22 64 76
17 87 72 76 60 37 29 17 11 13 22 67 73
18 95 72 76 55 36 29 16 11 15 22 66 72
19 82 88 80 53 34 27 15 11 14 25 66 70
20 80 83 77 56 33 27 15 11 13 31 65 81
21 87 78 70 51 35 27 15 12 13 35 66 80
22 81 79 71 48 37 26 14 12 12 36 76 74
23 79 75 70 52 35 27 15 13 12 28 86 72
24 80 68 69 54 32 29 15 15 13 25 111 77
25 85 64 70 49 31 26 14 13 13 25 102 75
26 81 60 65 47 32 24 14 13 13 32 92 74
27 80 62 67 45 36 23 13 13 13 33 89 83
28 86 76 65 45 48 23 13 12 14 36 89 82
29 100 64 64 45 47 24 13 12 14 36 95 91
30 108   64 47 39 22 13 12 17 33 90 97
31 98   63   40   12 12   41   87