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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 03084698 Turtle Creek at Wilmerding, PA


Allegheny County, Pennsylvania
Hydrologic Unit Code 05020005
Latitude  40°23'39", Longitude  79°48'22" NAD27
Drainage area 123  square miles
Gage datum 726.3 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 2003-10-01 -> 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
1 152 295 249 159 198 105 195 97 91 79 150 418
2 186 276 340 180 187 144 134 92 104 94 106 170
3 221 216 243 271 194 166 117 133 76 99 86 181
4 194 175 358 466 230 128 173 95 69 81 76 129
5 326 247 286 496 214 177 201 109 87 79 76 155
6 801 271 261 304 210 141 134 211 103 79 76 197
7 377 205 238 241 206 115 120 86 89 82 100 171
8 324 236 321 205 226 94 121 109 127 70 81 223
9 224 272 298 179 221 106 152 424 150 67 75 269
10 182 248 331 164 279 121 260 199 104 71 75 292
11 325 207 389 169 233 110 158 121 87 69 75 279
12 362 185 446 218 227 163 141 158 123 83 102 255
13 317 180 308 313 287 207 118 104 105 66 92 287
14 439 214 282 190 208 148 126 89 126 74 81 198
15 401 243 313 280 301 101 104 140 130 70 178 170
16 325 378 255 258 372 93 91 113 82 72 291 230
17 264 245 196 251 294 220 96 81 358 189 179 233
18 262 234 174 174 448 483 108 73 396 116 134 235
19 202 202 235 165 300 169 130 102 117 129 110 302
20 168 200 349 179 224 185 132 183 84 212 111 210
21 148 381 207 157 178 135 119 259 88 103 101 389
22 135 274 177 179 159 124 168 173 80 94 129 271
23 179 223 280 215 156 113 194 110 74 86 222 255
24 177 193 316 194 143 109 109 83 64 101 118 313
25 239 345 210 203 169 122 115 88 57 157 173 255
26 168 232 209 272 139 271 114 98 69 122 211 255
27 232 270 182 209 139 242 158 89 115 124 293 307
28 199 323 196 205 191 154 189 153 106 192 144 210
29 198 498 206 182 150 168 152 102 78 200 216 199
30 242   181 178 119 186 116 87 71 430 205 169
31 338   165   114   147 99   181   143