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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 01598500 NORTH BRANCH POTOMAC RIVER AT LUKE, MD


Allegany County, Maryland
Hydrologic Unit Code 02070002
Latitude  39°28'44.3", Longitude  79°03'49.6" NAD83
Drainage area 406  square miles
Gage datum 943.68 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 1898-10-01 -> 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
1 903 1,010 1,460 1,340 1,010 748 433 372 285 334 375 599
2 895 1,000 1,350 1,400 914 703 374 323 301 319 377 599
3 1,010 964 1,300 1,330 862 702 468 310 291 310 385 687
4 1,020 939 1,400 1,360 981 715 440 323 313 297 391 737
5 975 890 1,660 1,330 1,130 703 420 332 326 295 436 662
6 893 879 1,660 1,300 1,250 679 406 431 363 320 427 608
7 873 967 1,580 1,330 1,220 707 377 347 405 346 504 708
8 864 955 1,440 1,240 1,270 635 382 291 414 321 587 790
9 820 968 1,380 1,260 1,230 543 389 287 434 364 547 811
10 910 1,020 1,350 1,280 1,190 546 388 288 367 375 538 774
11 920 1,000 1,360 1,190 1,120 599 404 272 379 367 519 809
12 974 1,020 1,400 1,150 1,040 582 373 311 390 339 477 861
13 948 1,050 1,560 1,180 996 658 426 424 354 336 449 860
14 888 1,050 1,550 1,190 943 647 393 339 336 332 445 841
15 923 996 1,540 1,230 1,040 577 344 294 316 410 427 902
16 875 1,040 1,440 1,300 1,100 522 335 319 303 437 412 870
17 828 986 1,390 1,230 1,020 546 330 312 331 344 409 799
18 831 975 1,250 1,120 1,010 542 301 549 335 345 408 779
19 841 1,010 1,280 1,050 1,030 488 320 376 394 302 414 748
20 830 1,030 1,400 1,130 1,040 471 361 327 404 305 444 720
21 867 1,040 1,510 1,040 1,000 478 330 338 393 316 450 801
22 930 1,100 1,570 957 888 456 326 319 420 298 471 896
23 1,060 1,200 1,490 950 834 521 329 321 376 296 463 871
24 987 1,270 1,460 1,070 826 484 309 331 344 351 484 842
25 999 1,320 1,450 1,100 787 438 295 321 322 329 484 897
26 1,060 1,370 1,390 1,090 709 409 292 313 306 357 585 864
27 1,040 1,260 1,390 1,030 763 413 349 297 322 333 488 880
28 987 1,470 1,450 1,070 881 458 345 287 382 352 518 812
29 1,020 1,340 1,460 1,100 819 473 395 284 364 387 614 852
30 1,060   1,450 1,050 769 418 414 290 342 369 621 873
31 989   1,420   686   386 282   367   867