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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 -> 2022-09-30)

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
1 540 571 646 1,200 3,340 6,000 3,030 1,010 692 629 658 650
2 531 579 655 1,250 3,410 5,980 2,920 996 690 640 659 661
3 527 580 639 1,280 3,510 6,040 2,810 974 685 634 657 663
4 526 570 631 1,320 3,630 6,110 2,710 953 676 632 662 669
5 531 574 631 1,360 3,790 6,090 2,620 933 668 626 665 662
6 542 580 639 1,440 3,910 6,020 2,510 917 666 626 669 638
7 564 576 641 1,540 4,090 5,900 2,400 902 663 628 670 618
8 569 588 655 1,590 4,240 5,740 2,290 885 662 627 688 615
9 569 615 665 1,650 4,350 5,630 2,190 867 662 632 686 609
10 563 604 677 1,720 4,460 5,500 2,110 854 663 630 677 609
11 551 606 701 1,820 4,580 5,310 2,030 840 660 629 669 611
12 545 605 723 1,890 4,680 5,150 1,950 829 657 636 659 612
13 550 596 738 1,970 4,820 5,070 1,870 817 656 637 658 614
14 556 593 742 2,020 4,900 5,030 1,810 809 656 640 662 617
15 562 590 749 2,080 5,000 4,900 1,740 793 655 640 662 610
16 582 598 785 2,120 5,160 4,820 1,670 785 653 644 656 599
17 584 605 829 2,160 5,350 4,790 1,600 778 652 646 656 589
18 582 604 845 2,200 5,510 4,700 1,540 769 653 644 652 580
19 573 604 865 2,280 5,630 4,580 1,480 758 653 643 650 572
20 565 618 874 2,410 5,720 4,460 1,440 751 651 644 644 571
21 564 630 885 2,560 5,830 4,330 1,390 746 651 643 641 569
22 564 627 919 2,680 5,870 4,180 1,330 742 647 645 641 569
23 562 620 954 2,810 5,910 4,010 1,290 742 644 644 635 573
24 557 619 976 2,910 5,990 3,880 1,240 737 642 648 649 579
25 560 616 982 3,010 6,060 3,720 1,200 730 638 646 665 574
26 550 608 992 3,090 6,120 3,590 1,170 724 637 655 667 574
27 550 614 1,020 3,140 6,170 3,450 1,130 717 637 655 658 575
28 544 627 1,050 3,180 6,140 3,290 1,100 711 638 658 648 564
29 539 627 1,080 3,210 6,090 3,180 1,080 702 635 655 642 549
30 541   1,110 3,270 6,090 3,100 1,050 695 632 654 645 548
31 563   1,150   6,050   1,030 693   656   551