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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 01451650 Little Lehigh Creek at Tenth St. Br. at Allentown


Lehigh County, Pennsylvania
Hydrologic Unit Code 02040106
Latitude  40°35'47", Longitude  75°28'28" NAD27
Drainage area 98.2  square miles
Gage datum 244.93 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 -> 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
1 152 141 156 214 200 157 123 106 131 147 122 155
2 146 143 204 233 166 178 126 122 177 120 116 156
3 151 148 178 267 170 142 121 111 112 109 162 153
4 139 165 173 227 162 146 112 291 100 105 110 139
5 135 157 172 192 173 141 123 180 97 119 104 157
6 139 146 161 191 177 141 116 115 124 104 107 145
7 134 152 170 193 173 144 116 120 141 97 104 144
8 135 141 173 208 168 131 119 112 183 210 115 143
9 143 132 188 183 161 137 133 105 251 188 124 140
10 184 131 204 189 163 132 132 111 122 112 120 144
11 146 135 209 179 163 142 123 115 116 115 112 174
12 154 136 192 180 172 147 134 106 106 118 118 170
13 152 159 189 202 173 171 139 151 109 104 116 143
14 148 152 194 177 169 157 143 148 100 103 109 160
15 138 141 189 197 155 132 143 116 122 111 109 144
16 139 153 175 240 161 126 126 100 160 116 115 150
17 133 148 172 214 166 122 114 121 137 108 123 168
18 152 149 171 176 159 134 117 112 228 99 113 191
19 169 143 173 176 170 138 105 111 137 154 111 145
20 196 145 179 184 169 150 112 100 110 128 120 131
21 144 148 190 175 148 188 108 112 97 114 121 163
22 129 149 219 172 145 146 167 156 99 107 125 144
23 142 153 211 178 145 151 185 133 120 104 154 157
24 174 166 212 168 150 133 162 104 132 98 124 170
25 196 199 195 163 143 118 129 94 123 102 131 203
26 169 157 181 174 142 125 135 95 115 101 132 158
27 161 150 189 175 143 139 129 90 115 126 136 146
28 174 154 201 165 143 162 157 244 139 142 171 171
29 149 173 216 161 152 140 116 125 157 134 143 150
30 145   206 177 162 120 105 106 143 145 157 141
31 157   209   137   106 97   121   136