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USGS Daily Statistics for the Nation

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 -> 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
1 629 505 713 982 590 368 302 126 113 141 339 422
2 634 483 742 1,070 600 387 287 116 104 181 348 393
3 615 478 710 1,160 564 416 232 129 106 175 336 413
4 640 449 834 1,210 542 401 211 121 91 148 322 493
5 559 410 969 1,280 520 364 223 124 97 127 307 479
6 560 380 988 1,180 514 348 208 140 167 118 315 526
7 536 409 931 1,040 562 352 182 142 126 168 286 591
8 481 509 920 979 598 308 184 154 108 143 270 634
9 494 410 878 914 599 306 173 120 114 168 258 560
10 485 430 846 882 602 368 165 127 111 139 263 542
11 465 484 788 860 572 301 182 108 101 132 307 569
12 621 444 799 1,030 659 267 195 143 115 137 336 553
13 638 449 818 929 714 387 202 141 102 172 292 629
14 517 519 776 842 630 381 180 135 231 190 314 556
15 486 516 870 844 567 377 257 101 177 225 337 573
16 472 498 874 803 552 354 252 94 139 313 368 521
17 432 546 955 789 555 302 216 93 115 204 394 484
18 521 626 851 732 547 270 214 112 134 209 386 481
19 455 571 802 745 506 272 176 147 165 210 403 456
20 466 557 858 731 497 235 172 109 143 186 416 444
21 508 554 803 754 562 305 156 96 129 207 402 558
22 633 605 944 700 540 319 146 138 128 202 389 586
23 576 744 847 642 556 408 143 115 124 176 415 531
24 534 720 840 613 492 294 162 98 116 208 448 488
25 578 778 845 628 442 411 148 99 200 217 447 523
26 603 724 809 650 492 392 126 86 163 201 457 497
27 752 724 825 625 461 314 150 89 147 247 428 552
28 617 671 822 633 533 257 131 85 170 265 431 608
29 558 632 866 620 462 245 131 80 198 304 412 667
30 576   886 594 377 245 152 89 150 329 409 758
31 592   959   365   115 96   291   639