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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).

Updated September 18, 2020 - USGS water-resources monitoring activities were restored effective August 17, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)


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 -> 2020-09-30)

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
1 526 615 560 750 1,070 1,730 1,110 415 363 516 621 581
2 525 605 559 751 1,030 1,770 1,110 406 369 526 623 582
3 506 547 555 748 1,000 1,780 1,060 395 364 533 628 585
4 502 532 557 740 1,020 1,810 1,060 380 362 548 631 567
5 491 539 569 766 1,040 1,850 1,040 378 367 560 631 549
6 489 533 583 802 1,050 1,850 972 378 373 573 628 526
7 494 558 600 819 1,080 1,870 925 378 383 578 624 511
8 516 669 615 866 1,120 1,860 885 383 393 583 627 506
9 531 834 638 883 1,120 1,860 846 368 416 590 634 504
10 521 722 702 887 1,130 1,850 810 361 423 595 630 506
11 511 600 745 872 1,170 1,880 795 351 421 603 618 523
12 488 565 736 887 1,200 1,810 778 349 418 613 613 534
13 481 567 791 885 1,200 1,740 757 348 424 617 616 546
14 501 573 798 884 1,200 1,800 748 349 424 627 616 533
15 527 577 745 886 1,210 1,720 723 345 429 633 608 530
16 513 592 753 864 1,250 1,690 695 346 438 634 607 521
17 523 582 752 853 1,330 1,740 661 352 446 637 608 516
18 536 575 714 860 1,450 1,790 640 350 450 635 609 496
19 540 567 723 878 1,470 1,770 614 343 457 635 609 489
20 540 571 744 904 1,470 1,770 600 335 469 639 605 487
21 528 561 733 944 1,460 1,700 579 334 476 642 601 498
22 511 568 743 980 1,460 1,620 555 348 478 638 593 491
23 505 582 791 1,020 1,490 1,570 535 351 482 635 580 477
24 503 546 783 1,050 1,530 1,500 513 357 489 633 570 476
25 518 530 762 1,080 1,610 1,420 493 353 488 629 573 474
26 523 506 756 1,070 1,660 1,360 474 348 487 627 572 470
27 549 509 765 1,070 1,670 1,340 471 352 490 624 576 468
28 526 522 740 1,060 1,680 1,260 470 353 490 627 582 476
29 504 590 727 1,060 1,700 1,190 453 358 494 627 584 487
30 513   716 1,070 1,710 1,150 435 359 500 620 584 495
31 515   729   1,710   427 357   617   493