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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 03101500 Shenango River at Pymatuning Dam, PA


Crawford County, Pennsylvania
Hydrologic Unit Code 05030102
Latitude  41°29'53", Longitude  80°27'37" NAD27
Drainage area 167  square miles
Gage datum 969.3 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 1934-10-01 -> 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
1 322 297 266 240 208 179 157 153 166 170 179 257
2 316 298 266 237 205 176 159 157 167 172 179 263
3 314 293 262 224 199 179 152 159 167 175 181 279
4 318 298 267 230 194 185 149 164 172 180 181 283
5 314 295 263 239 186 173 153 165 161 178 184 285
6 314 298 255 238 182 174 151 163 161 181 182 288
7 319 302 253 242 178 178 151 164 162 184 183 295
8 327 310 260 244 172 168 150 167 163 183 187 300
9 334 316 263 244 162 166 149 171 172 181 192 309
10 341 320 257 240 171 174 147 171 168 178 203 311
11 346 319 269 229 167 179 146 171 169 174 205 313
12 335 321 274 224 167 173 148 165 167 174 209 307
13 333 318 285 209 160 167 153 168 170 174 211 306
14 319 318 280 205 169 165 160 168 180 178 211 314
15 309 301 264 207 177 160 169 166 175 180 208 306
16 304 301 273 210 177 163 163 169 176 178 206 304
17 308 311 278 203 173 168 160 165 171 174 208 305
18 310 302 278 194 169 169 151 166 178 169 208 309
19 313 304 276 185 173 180 148 157 186 167 212 295
20 317 304 280 184 178 184 153 150 183 165 220 298
21 325 302 275 185 181 181 159 152 182 164 218 307
22 309 304 263 192 189 185 162 153 183 163 224 313
23 309 304 263 198 183 186 165 153 182 167 224 318
24 306 296 265 206 174 191 164 150 181 170 227 308
25 292 292 265 210 179 192 162 151 182 175 227 307
26 292 280 259 209 180 185 156 154 183 175 226 307
27 293 275 260 201 183 168 153 156 185 176 228 314
28 299 273 256 205 183 164 155 159 182 170 240 324
29 305 291 260 202 174 157 153 161 170 173 250 314
30 307   254 211 169 156 153 164 168 169 255 320
31 301   252   176   153 167   169   318