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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 -> 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 1,150 456 987 1,050 840 493 498 298 294 329 1,090 621
2 1,050 438 1,330 875 831 656 466 299 358 381 920 667
3 1,120 424 1,130 804 726 573 462 280 300 443 728 714
4 1,090 469 1,140 838 829 536 419 287 279 405 611 672
5 943 534 917 721 887 486 428 291 332 393 557 622
6 813 587 808 673 1,010 511 486 301 332 350 1,020 692
7 702 760 1,000 880 1,090 419 420 283 305 437 777 668
8 633 1,070 940 896 929 400 394 272 298 364 639 604
9 726 775 767 774 915 415 375 266 362 340 589 578
10 640 802 838 710 1,390 422 346 258 790 330 607 886
11 608 769 930 699 1,050 388 366 257 657 324 560 758
12 1,360 806 1,020 810 1,420 299 398 253 563 312 915 639
13 1,210 727 877 818 1,540 292 423 275 505 312 606 558
14 849 635 785 799 1,370 339 331 294 456 287 503 566
15 746 728 875 1,070 1,330 301 306 259 405 272 448 552
16 746 1,010 808 1,350 1,310 656 313 266 373 298 452 566
17 694 922 799 1,210 1,080 579 684 310 431 290 407 533
18 652 1,480 826 1,070 929 775 751 566 810 261 402 522
19 755 1,030 951 1,010 796 665 490 542 529 228 637 534
20 777 905 1,060 998 714 689 457 345 455 243 538 480
21 654 789 912 1,090 632 1,590 389 551 373 248 480 672
22 645 837 759 976 614 832 524 758 491 248 444 700
23 755 1,240 723 901 585 636 409 504 733 249 405 816
24 909 1,060 732 832 483 633 327 375 463 266 410 847
25 858 1,200 698 741 398 723 412 327 493 316 429 1,130
26 762 992 653 867 394 560 318 297 593 257 563 852
27 693 1,170 597 841 357 600 308 299 534 508 650 725
28 677 1,050 647 762 380 637 358 326 482 498 670 722
29 593 1,300 898 804 564 513 351 337 420 761 560 690
30 538   998 990 559 507 323 375 384 824 582 731
31 487   963   563   307 310   952   820