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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 01452000 Jordan Creek at Allentown, PA


Lehigh County, Pennsylvania
Hydrologic Unit Code 02040106
Latitude  40°37'23", Longitude  75°28'58" NAD27
Drainage area 75.8  square miles
Gage datum 257.82 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 1944-10-01 -> 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
1 142 127 173 206 154 102 66 52 63 88 93 163
2 156 145 194 228 129 107 75 64 125 75 92 173
3 150 175 182 297 121 100 59 60 74 66 111 149
4 157 195 179 252 129 92 53 133 55 58 96 153
5 144 161 204 250 118 86 52 124 50 61 87 172
6 140 132 195 240 145 89 57 70 61 61 80 171
7 130 171 196 211 134 91 61 72 88 55 91 190
8 135 155 180 192 128 82 53 70 78 71 104 177
9 151 116 194 169 120 77 61 67 144 105 107 160
10 189 110 211 171 116 72 71 70 65 72 96 154
11 145 119 235 172 119 76 57 66 57 64 93 181
12 133 120 228 149 122 89 53 67 61 71 99 193
13 132 162 204 162 123 94 58 97 82 61 111 197
14 134 156 223 164 122 97 60 123 60 56 103 203
15 128 141 237 174 110 83 75 78 60 73 105 176
16 117 138 202 238 109 79 70 61 72 81 109 151
17 107 139 189 204 118 76 58 56 86 78 123 154
18 118 146 192 157 108 73 61 73 103 65 102 167
19 137 150 172 142 114 78 59 122 105 110 90 141
20 178 149 197 135 122 80 54 66 72 113 99 125
21 151 151 208 124 104 103 57 67 62 94 121 160
22 134 153 257 118 94 106 69 85 66 79 134 166
23 124 164 280 117 100 159 77 86 84 84 149 147
24 182 200 254 111 111 89 86 60 83 77 119 157
25 206 246 228 118 107 72 85 49 83 71 133 175
26 245 229 225 115 115 67 66 47 66 72 143 158
27 231 188 238 119 98 70 63 43 88 74 135 147
28 213 201 226 127 94 93 71 91 105 90 175 152
29 164 175 234 123 130 85 69 62 98 95 176 145
30 152   197 121 142 73 58 51 80 104 173 145
31 154   193   116   50 55   93   148