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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 01474000 Wissahickon Creek at Mouth, Philadelphia, PA


Philadelphia County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°00'55", Longitude  75°12'26" NAD27
Drainage area 64.0  square miles
Gage datum 25.27 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 1965-10-01 -> 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
1 132 99 143 170 158 96 71 110 72 114 65 123
2 117 134 164 230 107 97 68 156 188 71 64 106
3 117 159 130 200 117 96 76 84 62 69 80 124
4 117 130 143 169 114 112 70 158 60 61 64 96
5 108 129 139 173 105 103 74 102 44 72 76 110
6 95 121 147 141 129 94 72 73 109 52 78 101
7 103 113 191 144 128 118 71 77 96 54 72 111
8 125 113 142 146 124 100 62 71 174 73 129 115
9 121 91 134 138 127 92 65 78 80 80 97 145
10 135 98 177 171 121 108 91 98 67 90 77 102
11 103 114 153 114 117 107 70 74 71 68 80 206
12 130 120 124 128 122 114 88 80 71 63 96 143
13 95 173 174 146 127 137 178 114 104 48 101 117
14 126 127 189 126 106 107 103 96 81 56 84 164
15 108 123 143 194 96 81 81 62 78 75 72 113
16 97 144 122 275 148 89 79 48 148 66 96 165
17 93 112 144 170 117 165 70 65 116 63 97 148
18 130 115 139 115 112 92 74 58 89 57 67 160
19 148 110 163 122 129 108 78 76 72 123 70 93
20 174 110 171 125 105 129 67 77 87 87 105 83
21 142 122 199 106 89 91 96 87 78 71 86 198
22 83 135 219 107 97 97 63 110 90 71 79 123
23 110 141 176 120 98 89 87 93 92 60 100 130
24 151 172 170 118 130 92 96 64 91 68 73 131
25 196 183 146 132 98 73 93 60 85 94 108 170
26 193 132 122 128 104 72 81 60 84 74 114 141
27 136 113 141 133 109 88 117 95 131 115 117 117
28 122 116 164 116 109 128 147 241 134 129 145 123
29 110 117 182 108 135 110 84 77 156 113 104 124
30 104   176 129 145 82 83 59 81 93 119 96
31 100   190   85   82 51   70   92