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 October 2, 2017 - USGS streamflow monitoring was reactivated with partner funding at the following site effective October 1, 2017 : - USGS streamflow monitoring was discontinued at the following sites effective September 12, 2017 :
  • 06111800 Big Spring Cr at R&B Trading Post nr Lewistown, MT (POR 2 yrs)
  • 06216900 Pryor Cr nr Huntley, MT (POR 24 yrs)
  • 12335100 Blackfoot R ab Nevada Cr nr Helmville, MT (POR 17 yrs)
  • 12365700 Stillwater R at Lawrence Park at Kalispell, MT (POR 10 yrs)
  • 12366080 Whitefish R nr mouth at Kalispell, MT (POR 10 yrs)
- USGS streamflow monitoring was discontinued at the following site effective October 1, 2017 :
  • 06307600 Hanging Woman Cr nr Birney, MT
USGS monitoring activities at these sites were funded by partner agencies. Lack of partner funding for these sites resulted in discontinuation of all streamgaging activities. Questions or concerns 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 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 80 - 84 years of record in, ft3/s   (Calculation Period 1897-10-01 -> 2017-09-30)

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
1 541 573 642 1,170 3,150 5,850 3,060 1,020 695 631 654 643
2 532 580 649 1,220 3,220 5,850 2,950 1,000 693 641 655 654
3 525 581 636 1,250 3,340 5,930 2,840 980 688 634 652 653
4 524 569 628 1,280 3,480 6,020 2,740 958 679 633 656 660
5 529 573 628 1,320 3,640 6,010 2,650 938 671 626 658 655
6 542 579 636 1,400 3,750 5,960 2,540 923 669 626 661 634
7 564 575 639 1,500 3,890 5,860 2,430 907 665 628 662 616
8 567 585 652 1,550 4,030 5,720 2,320 890 664 628 682 612
9 567 611 662 1,590 4,150 5,610 2,220 871 662 632 680 605
10 560 600 675 1,650 4,260 5,500 2,140 858 662 629 672 605
11 548 601 701 1,760 4,380 5,320 2,050 844 660 629 664 607
12 541 602 725 1,830 4,490 5,180 1,970 832 658 636 654 606
13 547 594 740 1,930 4,650 5,100 1,890 820 657 637 654 608
14 556 590 741 1,990 4,740 5,050 1,830 812 657 639 657 613
15 563 584 745 2,050 4,850 4,930 1,750 797 656 639 657 607
16 583 594 773 2,090 5,010 4,860 1,680 789 654 643 650 597
17 583 600 813 2,130 5,190 4,830 1,610 782 653 645 650 589
18 579 600 830 2,180 5,370 4,740 1,550 772 654 642 647 582
19 568 606 843 2,250 5,490 4,610 1,490 760 654 641 643 570
20 560 620 847 2,370 5,590 4,490 1,450 753 652 641 637 566
21 560 632 860 2,500 5,700 4,360 1,400 747 651 640 634 563
22 561 630 893 2,610 5,760 4,200 1,340 743 648 641 636 565
23 558 624 927 2,730 5,810 4,040 1,300 743 645 641 629 573
24 554 619 947 2,820 5,890 3,910 1,250 738 643 645 637 582
25 557 615 952 2,910 5,950 3,760 1,210 732 639 645 651 577
26 548 607 961 2,980 6,010 3,630 1,170 726 638 654 656 575
27 549 611 986 3,030 6,040 3,490 1,140 718 638 652 648 576
28 543 623 1,020 3,040 6,010 3,330 1,110 713 639 656 639 563
29 539 630 1,050 3,050 5,950 3,220 1,090 703 636 652 632 548
30 542   1,080 3,100 5,960 3,130 1,060 697 633 651 638 548
31 564   1,110   5,920   1,040 695   654   550