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).


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 -> 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
1 539 572 644 1,200 3,270 5,940 3,050 1,020 695 629 654 648
2 528 580 651 1,250 3,340 5,930 2,940 1,000 693 641 655 658
3 522 580 639 1,280 3,440 5,990 2,830 979 687 634 652 657
4 522 572 631 1,310 3,580 6,070 2,730 957 679 632 656 664
5 528 577 631 1,340 3,750 6,050 2,640 938 670 626 658 659
6 540 582 639 1,430 3,880 6,000 2,530 922 669 626 660 636
7 562 579 641 1,520 4,070 5,890 2,420 906 665 628 661 615
8 567 591 654 1,570 4,220 5,740 2,310 889 664 628 680 611
9 567 619 664 1,620 4,330 5,630 2,210 871 661 632 679 604
10 562 606 676 1,690 4,460 5,510 2,130 857 661 629 671 604
11 551 609 702 1,790 4,580 5,330 2,040 843 659 629 663 607
12 543 608 726 1,860 4,680 5,180 1,960 832 657 636 654 607
13 548 597 742 1,960 4,830 5,100 1,890 820 656 636 653 609
14 555 593 746 2,010 4,900 5,060 1,820 812 656 639 657 613
15 562 590 755 2,070 4,990 4,930 1,750 796 656 638 656 605
16 581 598 791 2,120 5,140 4,860 1,680 788 655 643 650 595
17 581 605 834 2,160 5,320 4,830 1,610 781 653 645 649 586
18 579 605 850 2,210 5,480 4,740 1,550 772 654 642 646 578
19 570 606 869 2,280 5,590 4,620 1,490 760 654 640 643 570
20 562 621 875 2,400 5,670 4,500 1,450 753 652 641 636 568
21 562 633 886 2,540 5,770 4,380 1,390 748 651 639 634 565
22 562 631 921 2,650 5,830 4,220 1,340 744 648 641 636 565
23 560 623 957 2,780 5,890 4,060 1,290 744 645 640 630 570
24 555 621 979 2,870 5,980 3,920 1,240 739 643 644 644 577
25 558 618 986 2,960 6,050 3,770 1,210 731 640 644 661 573
26 549 612 994 3,040 6,110 3,630 1,170 726 638 653 664 573
27 551 615 1,020 3,090 6,130 3,490 1,140 718 638 652 655 573
28 545 626 1,050 3,130 6,090 3,320 1,110 713 639 655 646 562
29 540 630 1,080 3,170 6,030 3,210 1,080 704 636 652 639 547
30 543   1,110 3,230 6,040 3,130 1,060 698 632 650 643 547
31 565   1,150   5,990   1,040 695   653   550