Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Montana

Click to hide state-specific text
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 12340000 Blackfoot River near Bonner MT


Missoula County, Montana
Hydrologic Unit Code 17010203
Latitude  46°53'57.88", Longitude 113°45'22.75" NAD83
Drainage area 2,287  square miles
Gage datum 3,344.76 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1897-10-01 -> 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
1 539 573 644 1,200 3,280 5,940 3,040 1,010 694 630 655 648
2 530 582 651 1,250 3,340 5,930 2,920 999 692 642 658 659
3 525 581 639 1,280 3,440 5,990 2,810 976 687 635 656 659
4 525 570 631 1,310 3,570 6,070 2,720 954 678 634 660 665
5 530 575 631 1,350 3,750 6,050 2,630 935 670 627 663 659
6 542 581 639 1,440 3,880 5,990 2,510 919 668 628 666 635
7 563 579 641 1,530 4,060 5,870 2,400 903 664 629 666 614
8 568 590 654 1,590 4,220 5,720 2,300 886 664 629 685 611
9 568 617 663 1,640 4,330 5,610 2,200 868 663 633 683 604
10 562 604 676 1,710 4,450 5,490 2,120 855 664 631 675 605
11 551 606 701 1,820 4,580 5,300 2,030 841 661 630 666 608
12 544 606 724 1,880 4,690 5,160 1,950 831 658 637 657 608
13 548 597 739 1,970 4,840 5,070 1,880 819 657 637 656 610
14 554 594 744 2,030 4,920 5,040 1,820 810 657 640 659 614
15 560 590 752 2,080 5,020 4,910 1,740 795 656 639 659 607
16 581 598 788 2,130 5,170 4,830 1,670 787 655 644 653 597
17 582 605 831 2,170 5,360 4,810 1,600 780 654 645 652 587
18 580 604 846 2,210 5,520 4,710 1,540 771 654 642 649 579
19 571 604 865 2,290 5,620 4,600 1,490 759 654 641 646 570
20 563 618 872 2,420 5,680 4,480 1,450 752 652 641 640 569
21 562 630 883 2,580 5,770 4,350 1,390 747 652 640 637 566
22 562 628 918 2,690 5,820 4,200 1,340 742 648 642 638 566
23 560 622 954 2,820 5,880 4,030 1,290 743 645 641 633 571
24 556 620 977 2,910 5,960 3,900 1,240 738 643 645 646 578
25 559 616 984 3,010 6,040 3,740 1,200 731 639 645 663 574
26 550 607 994 3,080 6,100 3,610 1,170 725 638 654 666 573
27 551 614 1,020 3,130 6,120 3,470 1,130 717 638 654 656 573
28 545 626 1,050 3,160 6,090 3,300 1,110 712 640 657 647 563
29 540 627 1,080 3,190 6,040 3,190 1,080 703 636 653 640 548
30 542   1,110 3,240 6,040 3,110 1,060 697 633 651 644 548
31 565   1,150   6,000   1,040 694   654   549