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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 01518700 Tioga River at Tioga Junction, PA


Tioga County, Pennsylvania
Hydrologic Unit Code 02050104
Latitude  41°57'09", Longitude  77°06'56" NAD27
Drainage area 446  square miles
Gage datum 987.62 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 1979-10-01 -> 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
1 621 467 708 1,290 889 488 373 244 146 281 492 699
2 570 528 767 1,220 874 416 272 176 207 289 442 816
3 524 557 780 1,260 793 416 227 150 241 303 409 788
4 618 518 867 1,470 703 415 227 150 188 232 312 733
5 680 548 879 1,570 659 416 226 148 147 218 265 518
6 593 569 865 1,490 659 579 185 134 137 326 263 448
7 512 544 812 1,540 666 591 226 119 140 279 276 433
8 470 584 945 1,550 594 519 232 116 132 227 309 405
9 447 532 982 1,520 617 397 199 196 174 173 322 367
10 587 533 917 1,480 756 291 198 216 258 151 420 428
11 616 540 846 1,330 825 225 157 151 405 172 459 570
12 630 574 988 1,210 865 245 216 158 422 236 560 551
13 780 535 1,070 1,120 870 260 291 193 350 227 529 585
14 686 462 1,130 1,070 741 332 246 260 280 228 407 599
15 659 410 1,080 1,120 570 491 198 257 234 250 385 625
16 629 560 990 1,120 682 384 197 187 169 226 409 547
17 560 650 1,100 1,210 640 389 173 151 225 227 466 535
18 537 785 1,160 1,110 607 366 245 236 267 203 423 651
19 621 849 1,130 999 637 329 200 259 276 278 394 554
20 576 899 1,100 1,060 670 355 154 266 333 447 425 481
21 605 917 980 1,020 611 453 153 355 351 489 402 536
22 603 851 1,120 990 577 419 221 291 345 430 371 548
23 656 761 1,120 917 530 366 206 241 407 357 410 698
24 734 823 1,100 886 491 303 302 216 390 299 360 830
25 784 888 1,110 867 401 254 237 133 389 381 367 771
26 780 800 1,250 918 361 301 225 131 270 433 486 739
27 746 706 1,290 903 360 332 355 99 228 511 710 696
28 680 752 1,240 842 404 386 373 129 308 529 711 652
29 574 930 1,160 863 508 300 318 193 313 474 665 623
30 457   1,220 915 488 348 221 179 288 505 645 679
31 444   1,210   376   261 162   489   725