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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
1 106 104 125 157 146 123 89 83 87 94 79 102
2 110 114 144 173 127 131 92 90 105 79 78 102
3 108 125 130 197 129 114 90 90 80 75 103 97
4 104 131 129 169 134 110 86 166 72 71 77 95
5 101 118 134 175 132 106 88 113 70 74 74 105
6 104 111 138 163 132 106 90 84 85 71 73 102
7 100 127 136 159 131 108 132 87 90 69 77 107
8 102 120 132 159 128 104 89 84 96 118 84 106
9 110 106 135 147 125 101 92 88 102 110 84 103
10 124 104 139 148 124 99 93 86 75 75 82 101
11 104 109 151 144 122 100 89 82 75 74 79 118
12 105 108 143 141 127 102 96 80 77 75 81 117
13 103 130 141 151 134 111 97 100 77 71 82 132
14 105 127 148 143 131 106 96 96 73 69 80 130
15 104 119 149 150 120 98 96 82 81 79 80 108
16 98 118 136 179 123 96 89 75 94 79 81 108
17 94 114 135 164 123 94 84 92 84 75 84 112
18 102 115 132 141 119 95 84 89 132 72 78 121
19 120 113 132 139 118 98 81 91 87 99 75 102
20 119 113 141 139 121 106 83 76 76 89 83 95
21 111 114 145 132 115 119 83 77 71 77 85 125
22 112 116 162 130 112 133 102 98 72 73 90 113
23 103 119 159 133 111 139 111 87 79 73 99 109
24 136 141 154 128 117 98 99 74 90 73 86 111
25 175 164 147 128 111 110 86 71 81 74 94 125
26 172 161 146 137 108 94 85 70 76 73 94 111
27 146 131 151 137 108 96 88 70 103 78 91 105
28 136 139 152 137 106 102 113 143 95 86 108 113
29 115 129 156 131 133 117 96 84 97 85 103 106
30 110   147 134 141 97 82 73 83 89 102 102
31 114   149   128   81 72   78   101