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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 01473900 Wissahickon Creek at Fort Washington, PA


Montgomery County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°07'26", Longitude  75°13'13" NAD27
Drainage area 40.8  square miles
Gage datum 139.98 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
1 107 64 103 100 120 49 51 81 111 97 46 85
2 78 66 147 139 64 58 35 100 116 53 35 50
3 78 86 97 95 66 66 30 54 48 41 48 91
4 63 81 97 75 64 91 28 153 36 42 42 50
5 63 86 116 62 72 62 31 54 27 36 52 49
6 89 110 127 82 74 59 51 34 77 28 47 56
7 101 93 142 101 105 98 34 40 71 30 53 81
8 87 93 111 105 70 62 43 33 133 57 80 65
9 110 59 88 80 65 67 52 56 44 47 41 106
10 109 67 110 63 48 79 78 72 40 29 49 75
11 71 94 113 68 59 71 56 48 42 45 35 150
12 95 80 130 83 70 90 63 35 41 38 49 116
13 71 148 165 115 77 114 61 87 39 26 59 71
14 117 79 104 73 57 63 45 70 39 34 38 93
15 68 71 82 186 64 48 46 36 64 46 39 68
16 66 103 81 184 103 106 49 27 31 39 79 123
17 71 77 84 91 78 122 46 26 26 38 67 119
18 96 67 92 67 76 51 46 30 65 33 46 132
19 70 59 94 82 84 51 37 61 53 59 55 64
20 90 65 121 81 57 124 32 32 34 45 56 55
21 60 73 114 65 48 58 36 64 37 28 34 116
22 49 96 103 67 64 46 48 86 32 30 65 60
23 78 99 100 86 50 45 71 42 57 32 74 115
24 88 111 111 69 48 70 59 27 52 47 61 108
25 147 116 93 62 42 39 62 33 45 46 73 115
26 84 96 72 69 63 55 42 27 40 46 64 118
27 69 85 77 94 74 75 53 58 38 131 74 90
28 67 88 102 73 64 124 81 192 139 105 83 115
29 52 63 107 82 89 39 44 50 101 107 56 96
30 57   151 133 53 33 33 41 49 77 96 65
31 71   100   42   41 33   50   62