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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).


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 12331800 Clark Fork near Drummond MT


Granite County, Montana
Hydrologic Unit Code 17010202
Latitude  46°42'42.89", Longitude 113°19'50.81" NAD83
Drainage area 2,516  square miles
Gage datum 3,810 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 1992-10-01 -> 2019-09-30)

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
1 524 615 567 729 1,030 1,690 1,120 415 362 503 615 586
2 520 597 566 725 998 1,740 1,120 405 369 513 616 588
3 497 538 564 714 973 1,750 1,070 394 364 520 621 577
4 490 539 567 704 993 1,780 1,070 379 363 535 623 555
5 480 549 580 707 1,020 1,830 1,040 378 367 549 623 538
6 479 539 593 727 1,020 1,830 976 378 374 562 620 517
7 483 566 603 756 1,060 1,850 925 377 378 568 617 503
8 510 686 618 760 1,090 1,850 879 383 388 573 620 496
9 525 869 641 781 1,090 1,850 837 368 402 579 627 494
10 515 748 708 797 1,110 1,850 801 359 407 584 623 496
11 505 614 753 816 1,150 1,890 788 346 407 593 613 512
12 481 571 744 841 1,170 1,820 774 341 404 602 608 523
13 479 568 800 845 1,170 1,750 755 340 412 606 609 537
14 504 573 807 847 1,170 1,820 741 342 413 616 608 523
15 534 576 752 854 1,170 1,730 715 339 419 623 600 519
16 519 592 760 833 1,210 1,700 686 341 430 624 599 513
17 525 581 758 823 1,280 1,760 651 347 438 628 600 507
18 536 576 719 831 1,380 1,810 632 345 442 625 600 487
19 539 572 728 847 1,400 1,800 607 339 447 625 599 478
20 539 577 749 859 1,410 1,800 595 331 459 629 595 472
21 525 565 738 879 1,410 1,720 575 333 466 633 592 485
22 508 572 747 918 1,420 1,640 551 347 468 629 587 477
23 500 586 795 961 1,460 1,590 532 349 472 625 573 464
24 498 545 783 990 1,500 1,510 510 355 479 623 562 461
25 515 531 754 1,020 1,590 1,430 491 351 479 619 565 460
26 519 512 734 1,010 1,640 1,380 472 346 478 616 566 458
27 547 513 736 1,010 1,630 1,350 470 351 479 614 572 461
28 521 528 711 1,010 1,630 1,270 471 352 478 618 578 467
29 500 557 703 1,020 1,650 1,200 453 357 480 621 584 479
30 512   695 1,040 1,670 1,160 435 358 486 618 584 486
31 512   709   1,680   427 356   613   486