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USGS Daily Statistics for the Nation

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
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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 1897-10-01 -> 2024-09-30)

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
1 540 568 644 1,200 3,330 5,970 3,010 1,010 691 629 656 648
2 532 576 653 1,250 3,420 5,950 2,900 991 688 640 658 658
3 527 578 643 1,280 3,540 6,000 2,790 969 683 634 656 661
4 526 568 637 1,310 3,670 6,080 2,700 948 674 632 661 666
5 531 573 636 1,350 3,840 6,060 2,610 929 666 626 665 659
6 542 579 643 1,440 3,980 5,990 2,490 914 665 626 668 638
7 563 575 645 1,530 4,170 5,870 2,380 899 661 627 669 618
8 568 586 658 1,580 4,310 5,710 2,280 882 661 627 686 614
9 567 613 667 1,640 4,400 5,590 2,190 865 660 631 682 608
10 562 602 677 1,710 4,500 5,470 2,100 851 661 629 674 608
11 550 604 701 1,820 4,600 5,300 2,020 837 658 629 666 611
12 544 603 724 1,880 4,690 5,150 1,940 826 655 635 657 612
13 549 594 738 1,970 4,830 5,060 1,860 814 654 636 656 613
14 555 592 742 2,010 4,900 5,010 1,800 805 654 639 661 616
15 561 589 750 2,060 5,000 4,880 1,730 790 653 638 661 609
16 581 597 786 2,100 5,160 4,800 1,660 782 652 642 655 598
17 583 603 829 2,140 5,360 4,760 1,590 774 650 644 654 587
18 581 602 845 2,180 5,530 4,670 1,530 765 651 642 649 579
19 572 602 864 2,260 5,640 4,560 1,470 754 651 641 647 570
20 563 617 873 2,380 5,720 4,450 1,430 747 649 642 642 571
21 563 628 884 2,530 5,820 4,330 1,380 743 649 641 639 568
22 563 623 916 2,650 5,860 4,170 1,330 740 647 643 640 568
23 560 615 951 2,770 5,890 4,010 1,280 740 645 643 634 572
24 556 615 974 2,880 5,960 3,870 1,230 735 642 646 647 578
25 559 612 982 2,970 6,020 3,710 1,190 728 638 645 662 575
26 549 605 992 3,050 6,090 3,570 1,160 723 637 653 664 575
27 550 612 1,020 3,110 6,140 3,430 1,130 716 636 654 654 576
28 543 625 1,050 3,140 6,130 3,270 1,100 710 637 656 644 565
29 536 627 1,080 3,180 6,080 3,160 1,070 700 635 653 639 550
30 538   1,110 3,260 6,070 3,090 1,050 694 632 652 643 550
31 560   1,150   6,020   1,030 691   655   553