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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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 01451500 Little Lehigh Creek near Allentown, PA


Lehigh County, Pennsylvania
Hydrologic Unit Code 02040106
Latitude  40°34'56", Longitude  75°29'00" NAD27
Drainage area 80.8  square miles
Gage datum 252.71 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 1945-10-01 -> 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
1 106 104 124 158 146 123 89 83 87 94 79 102
2 109 113 142 172 127 131 92 90 105 79 78 102
3 108 124 129 195 129 114 90 90 80 75 103 97
4 103 130 128 168 134 110 86 166 72 71 77 95
5 100 117 133 174 132 106 88 113 70 74 74 105
6 103 110 138 167 132 106 90 84 85 71 73 102
7 100 126 135 159 131 108 132 87 90 69 77 107
8 101 119 132 158 128 104 89 84 96 118 84 106
9 109 105 134 147 125 101 92 88 102 110 84 103
10 123 103 138 147 124 99 93 86 75 75 82 101
11 104 108 149 143 122 100 89 82 75 74 79 118
12 104 107 142 142 127 102 96 80 77 75 81 117
13 102 129 140 151 134 111 97 100 77 71 82 131
14 104 126 147 143 131 106 96 96 73 69 80 129
15 103 118 148 150 120 98 96 82 81 79 80 108
16 97 118 135 179 123 96 89 75 94 79 81 107
17 94 115 134 164 123 94 84 92 84 75 84 112
18 101 114 131 141 119 95 84 89 132 72 78 120
19 119 112 131 139 118 98 81 91 87 99 75 101
20 118 112 140 139 121 106 83 76 76 89 83 95
21 110 114 144 132 115 119 83 77 71 77 85 124
22 111 115 160 130 112 133 102 98 72 73 90 112
23 103 119 157 133 111 139 111 87 79 73 99 108
24 135 140 153 128 117 98 99 74 90 73 86 110
25 173 163 146 128 111 110 86 71 81 74 94 124
26 170 160 145 137 108 94 85 70 76 73 94 110
27 145 130 150 137 108 96 88 70 103 78 91 104
28 135 138 150 137 106 102 113 143 95 86 108 112
29 114 129 155 131 133 117 96 84 97 85 103 105
30 109   145 134 141 97 82 73 83 89 102 102
31 113   148   128   81 72   78   101