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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 01603000 NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND, MD


Allegany County, Maryland
Hydrologic Unit Code 02070002
Latitude  39°37'18.5", Longitude  78°46'24.3" NAD83
Drainage area 877  square miles
Gage datum 584.57 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 1928-10-01 -> 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 1,620 1,580 2,540 2,620 1,840 1,330 682 530 510 524 597 1,150
2 1,800 1,590 2,400 2,700 1,690 1,250 623 461 460 510 623 1,180
3 1,700 1,640 2,290 2,680 1,720 1,280 582 486 423 477 655 1,060
4 1,650 1,680 2,540 2,580 1,850 1,350 737 485 426 455 701 1,090
5 1,620 1,680 3,190 2,700 2,070 1,310 678 449 510 435 855 1,060
6 1,590 1,640 3,150 2,430 2,290 1,170 625 553 568 470 719 991
7 1,630 1,740 2,970 2,470 2,450 1,120 612 520 793 477 750 1,100
8 1,620 1,710 2,610 2,320 2,560 1,070 616 444 581 478 923 1,300
9 1,500 1,650 2,470 2,350 2,390 1,010 602 432 779 565 870 1,320
10 1,610 1,820 2,440 2,470 2,220 939 584 400 681 571 835 1,240
11 1,590 1,780 2,550 2,290 2,100 1,040 589 399 519 519 792 1,290
12 1,600 1,790 2,600 2,250 2,080 1,020 552 429 486 494 797 1,280
13 1,550 1,850 2,920 2,480 2,200 1,080 666 566 483 449 743 1,310
14 1,430 2,000 3,090 2,420 2,190 1,050 595 537 433 498 723 1,330
15 1,460 1,900 3,080 2,310 1,980 907 520 428 436 858 714 1,380
16 1,470 1,930 2,820 2,480 2,140 814 480 411 414 1,030 709 1,500
17 1,400 1,960 2,880 2,640 2,080 799 468 444 527 623 738 1,410
18 1,420 1,910 2,880 2,210 1,970 965 460 633 722 626 693 1,350
19 1,690 2,020 2,610 2,050 1,900 917 437 615 677 528 780 1,300
20 1,490 2,040 2,870 2,350 1,820 937 522 481 589 495 885 1,170
21 1,440 2,030 2,950 2,110 1,820 952 493 468 526 583 822 1,220
22 1,560 2,060 3,060 1,910 1,720 848 477 455 552 530 856 1,290
23 1,570 2,290 2,820 1,810 1,640 924 511 447 545 576 851 1,310
24 1,640 2,370 2,970 1,840 1,520 910 491 510 527 636 817 1,360
25 1,780 2,470 2,970 2,030 1,470 729 446 474 561 565 837 1,410
26 1,840 2,670 2,700 2,380 1,330 665 399 455 575 557 819 1,500
27 1,840 2,630 2,540 2,060 1,290 651 467 476 516 528 846 1,500
28 1,810 2,510 2,660 2,110 1,570 762 492 457 640 895 1,000 1,420
29 1,660 2,500 2,840 2,100 1,570 769 520 424 558 839 1,100 1,480
30 1,640   2,630 1,950 1,460 694 575 413 522 786 1,140 1,610
31 1,620   2,710   1,430   520 409   632   1,560