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USGS Surface-Water 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 03034000 Mahoning Creek at Punxsutawney, PA


Jefferson County, Pennsylvania
Hydrologic Unit Code 05010006
Latitude  40°56'21", Longitude  79°00'31" NAD27
Drainage area 158  square miles
Gage datum 1,205.5 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 1938-10-01 -> 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
1 406 326 508 564 347 229 177 132 108 111 174 321
2 418 353 516 582 342 221 196 107 121 119 159 295
3 400 371 506 606 318 202 171 110 131 117 172 288
4 428 374 545 577 317 202 146 100 142 127 177 311
5 448 391 603 625 300 192 146 112 107 133 175 297
6 454 339 602 545 292 222 128 102 96 115 166 288
7 387 345 531 495 331 230 133 127 104 103 155 305
8 348 335 520 458 338 213 151 121 90 105 222 322
9 321 299 530 457 343 206 139 122 126 113 193 313
10 331 336 561 476 359 185 138 130 183 115 185 319
11 295 358 534 456 339 167 157 117 134 116 191 346
12 306 350 537 493 395 197 208 142 96 111 190 368
13 321 363 559 482 421 207 192 132 113 99 178 356
14 317 395 579 472 358 207 169 112 111 105 172 333
15 325 400 609 488 332 230 186 126 93 126 182 335
16 306 406 566 471 351 207 160 117 82 132 227 327
17 278 406 569 457 339 198 138 105 110 115 271 316
18 293 425 514 403 368 213 122 117 239 125 243 374
19 404 415 501 371 349 241 251 99 125 131 250 344
20 359 415 548 398 330 206 288 90 103 138 262 326
21 352 448 546 373 366 234 165 120 92 157 237 353
22 339 460 582 351 314 240 149 120 93 130 227 356
23 332 525 530 350 290 353 161 99 100 113 238 340
24 377 557 540 357 290 218 128 87 96 135 237 355
25 416 547 541 365 293 214 113 77 95 126 233 371
26 397 486 512 382 312 214 104 93 99 129 301 341
27 431 491 523 374 285 214 120 86 115 136 331 336
28 365 492 525 361 267 273 129 85 138 156 393 362
29 353 406 572 362 268 206 120 115 151 162 346 389
30 375   608 353 226 175 107 121 140 174 316 451
31 366   624   250   117 110   160   444