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USGS Daily Statistics for Maryland

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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 -> 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
1 903 1,010 1,460 1,350 1,020 747 434 373 285 336 375 599
2 895 1,000 1,350 1,400 919 706 375 324 301 319 377 599
3 1,010 964 1,300 1,290 867 706 470 311 291 310 385 687
4 1,020 939 1,400 1,320 983 719 441 323 314 297 391 737
5 975 890 1,670 1,300 1,130 706 421 332 327 295 436 662
6 893 879 1,660 1,270 1,260 683 407 433 364 320 427 608
7 873 967 1,590 1,310 1,220 711 375 348 407 346 504 708
8 864 955 1,440 1,220 1,280 638 383 291 416 321 587 790
9 820 968 1,380 1,250 1,230 545 390 286 436 364 547 811
10 910 1,020 1,340 1,270 1,190 548 389 288 369 375 538 774
11 920 1,000 1,350 1,190 1,120 601 406 272 381 367 519 809
12 974 1,020 1,390 1,140 1,040 585 374 311 392 339 477 861
13 948 1,050 1,560 1,160 999 661 428 426 356 336 449 860
14 888 1,050 1,550 1,170 945 650 394 339 337 332 445 841
15 923 996 1,540 1,210 1,050 580 345 294 317 410 427 902
16 875 1,040 1,440 1,290 1,110 524 335 319 304 437 412 870
17 828 986 1,390 1,220 1,030 548 330 312 333 344 409 799
18 831 975 1,260 1,120 1,010 545 301 552 337 345 408 779
19 841 1,010 1,280 1,050 1,030 490 320 377 396 302 414 748
20 830 1,030 1,410 1,130 1,040 473 361 327 407 305 444 720
21 867 1,040 1,520 1,040 1,010 480 330 338 395 316 450 801
22 930 1,100 1,580 960 890 458 326 319 422 298 471 896
23 1,060 1,200 1,500 953 836 524 330 322 378 296 463 871
24 987 1,270 1,470 1,080 829 486 309 332 346 351 484 842
25 999 1,320 1,460 1,110 790 440 295 322 324 329 484 897
26 1,060 1,370 1,400 1,090 710 410 292 313 308 357 585 864
27 1,040 1,260 1,410 1,040 765 414 350 297 324 333 488 880
28 987 1,470 1,460 1,080 885 459 345 287 384 352 518 812
29 1,020 1,340 1,470 1,110 822 475 396 284 367 387 614 852
30 1,060   1,460 1,050 773 419 415 290 344 369 621 873
31 989   1,430   688   387 282   367   867