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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 03029000 Clarion River at Ridgway, PA


Elk County, Pennsylvania
Hydrologic Unit Code 05010005
Latitude  41°25'15", Longitude  78°44'10" NAD27
Drainage area 303  square miles
Gage datum 1,354.5 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 2017-10-01 -> 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 1,070 569 1,000 960 715 419 430 294 292 314 976 572
2 973 528 1,300 898 717 534 419 296 344 358 825 621
3 1,020 490 1,110 1,160 669 481 420 280 295 413 657 716
4 989 510 1,090 1,180 758 450 391 289 278 380 555 713
5 860 555 888 975 796 412 426 291 322 369 506 634
6 746 586 809 837 868 443 431 299 323 333 902 681
7 651 724 1,080 907 905 374 379 292 301 412 693 648
8 588 987 961 872 789 354 361 294 298 347 573 584
9 695 727 887 746 771 363 351 274 468 326 529 556
10 805 751 1,010 701 1,130 367 345 270 784 314 545 825
11 668 730 1,030 744 883 341 338 270 627 308 504 714
12 1,280 758 1,080 1,450 1,180 284 371 330 534 294 807 603
13 1,200 686 924 1,180 1,260 281 439 433 483 292 542 529
14 852 606 820 1,020 1,130 325 327 330 435 283 454 532
15 720 686 920 1,120 1,110 289 306 319 388 284 406 518
16 720 930 831 1,260 1,080 533 311 295 358 292 408 528
17 660 852 820 1,150 894 484 604 316 404 280 376 499
18 626 1,330 822 1,060 787 621 673 527 720 253 398 499
19 710 936 908 968 664 541 453 499 485 223 584 506
20 719 822 993 945 617 563 429 329 422 238 494 453
21 613 718 860 979 554 1,210 417 499 353 250 462 615
22 597 765 720 856 519 665 487 675 450 248 550 637
23 696 1,130 736 779 499 527 384 465 654 245 445 736
24 847 962 726 722 421 529 316 362 433 255 424 762
25 1,060 1,080 687 641 355 589 390 369 457 297 429 1,000
26 1,320 896 640 714 351 491 313 304 540 246 538 765
27 1,080 1,050 582 693 326 543 357 298 490 461 610 738
28 1,070 1,150 618 638 343 539 357 326 443 453 622 841
29 908 1,380 829 675 475 444 343 334 389 690 523 735
30 747   914 804 485 440 316 381 359 779 538 746
31 639   891   472   299 313   873   801