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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 03017500 Tionesta Creek at Lynch, PA


Forest County, Pennsylvania
Hydrologic Unit Code 05010003
Latitude  41°36'07", Longitude  79°03'01" NAD27
Drainage area 233  square miles
Gage datum 1,252.0 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 1937-10-01 -> 2023-09-30)

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
1 632 496 714 993 596 372 304 128 115 145 348 426
2 638 476 743 1,080 607 392 289 116 106 186 357 395
3 620 473 710 1,130 570 422 234 129 108 180 346 413
4 645 445 838 1,190 548 407 213 121 92 152 331 489
5 564 407 977 1,270 525 368 225 126 99 130 315 478
6 565 378 994 1,180 520 351 209 139 172 121 324 527
7 540 408 924 1,040 569 355 184 138 125 172 293 595
8 485 511 921 982 605 311 185 155 108 146 277 639
9 496 411 875 918 607 310 174 120 115 172 265 564
10 465 430 838 887 609 372 167 126 112 143 270 544
11 455 484 783 858 578 305 184 108 102 136 313 572
12 619 445 796 945 665 270 197 143 117 141 344 557
13 631 450 818 864 721 392 205 136 104 176 296 634
14 512 522 778 807 637 386 183 135 238 192 319 561
15 485 520 874 826 573 382 261 101 182 229 342 579
16 472 502 880 794 557 359 256 93 143 321 373 526
17 433 551 963 785 561 306 218 93 118 209 400 489
18 524 633 857 722 549 273 216 112 137 214 389 484
19 457 577 808 743 508 274 180 147 169 216 408 459
20 469 564 866 731 500 237 176 109 147 190 422 448
21 512 560 810 756 568 308 156 97 132 212 407 565
22 640 612 955 702 546 323 148 141 131 206 381 593
23 581 751 853 645 562 414 146 116 127 180 413 537
24 537 728 847 616 497 297 165 98 117 213 450 493
25 560 788 852 632 446 417 152 94 203 223 449 529
26 539 733 815 655 498 394 128 83 167 206 460 502
27 707 732 831 630 467 303 148 89 150 255 431 555
28 576 670 830 638 540 256 131 85 174 273 435 601
29 520 610 875 625 467 244 129 80 204 313 416 667
30 556   895 599 379 244 153 89 154 335 413 762
31 580   969   369   116 98   296   642