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USGS Daily Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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 12334550 Clark Fork at Turah Bridge nr Bonner MT


Missoula County, Montana
Hydrologic Unit Code 17010202
Latitude  46°49'33.28", Longitude 113°48'50.51" NAD83
Drainage area 3,657  square miles
Gage datum 3,320 feet above NAVD88
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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 1985-10-01 -> 2025-09-30)

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
1 735 772 848 1,200 2,180 3,820 2,160 805 634 785 916 850
2 757 828 854 1,220 2,170 3,820 2,090 783 638 803 920 862
3 735 779 862 1,230 2,170 3,790 2,000 761 629 810 922 852
4 727 754 871 1,230 2,240 3,830 1,940 735 624 819 930 837
5 723 757 891 1,270 2,330 3,870 1,890 721 625 830 933 817
6 707 755 891 1,330 2,420 3,890 1,810 713 634 841 936 805
7 712 778 909 1,390 2,530 3,870 1,720 704 641 850 931 794
8 731 868 921 1,450 2,630 3,790 1,650 702 651 854 933 782
9 749 957 959 1,470 2,630 3,740 1,590 684 676 858 933 775
10 753 985 993 1,520 2,640 3,650 1,530 666 685 860 919 775
11 742 855 1,070 1,570 2,700 3,620 1,500 650 683 865 904 779
12 725 816 1,080 1,580 2,730 3,520 1,460 639 684 875 889 798
13 713 794 1,110 1,560 2,780 3,440 1,430 634 687 883 896 808
14 715 798 1,130 1,550 2,840 3,440 1,400 628 688 890 907 790
15 731 801 1,090 1,570 2,910 3,300 1,360 620 689 902 900 778
16 730 813 1,110 1,560 3,030 3,220 1,310 617 698 909 895 762
17 741 816 1,130 1,540 3,180 3,240 1,270 617 705 918 899 754
18 756 813 1,100 1,560 3,370 3,260 1,230 611 717 923 893 740
19 761 808 1,120 1,590 3,520 3,220 1,190 605 727 921 888 724
20 762 819 1,150 1,650 3,600 3,190 1,150 602 742 924 884 723
21 745 822 1,140 1,740 3,580 3,080 1,110 607 747 929 885 729
22 730 812 1,150 1,850 3,560 2,960 1,070 619 752 926 877 727
23 732 822 1,180 1,980 3,540 2,850 1,040 628 755 925 860 710
24 723 801 1,190 2,060 3,530 2,740 1,010 635 758 922 851 710
25 729 957 1,170 2,110 3,610 2,610 971 638 755 916 858 706
26 737 912 1,170 2,130 3,640 2,500 938 636 752 912 853 697
27 749 863 1,190 2,150 3,670 2,420 921 636 753 912 845 691
28 745 812 1,180 2,160 3,690 2,330 906 637 753 915 844 700
29 712 886 1,180 2,140 3,760 2,270 875 634 754 916 838 709
30 713   1,170 2,160 3,830 2,240 845 633 762 907 840 715
31 731   1,170   3,840   826 630   909   729