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USGS Surface-Water 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 -> 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
1 737 779 848 1,210 2,200 3,860 2,190 813 639 791 922 855
2 761 836 854 1,230 2,190 3,870 2,120 791 644 810 925 867
3 737 785 862 1,240 2,200 3,840 2,030 769 635 816 927 857
4 727 760 871 1,230 2,260 3,860 1,970 743 629 826 935 842
5 724 764 891 1,260 2,360 3,910 1,910 727 630 836 938 822
6 707 763 891 1,310 2,440 3,930 1,830 718 640 847 941 809
7 713 785 909 1,390 2,560 3,910 1,740 710 647 857 936 797
8 733 876 921 1,450 2,670 3,830 1,670 709 658 861 939 782
9 752 967 959 1,470 2,660 3,780 1,610 690 684 865 938 776
10 755 996 993 1,520 2,670 3,690 1,550 672 693 867 924 778
11 744 864 1,070 1,570 2,730 3,660 1,520 657 691 871 909 782
12 725 826 1,080 1,580 2,760 3,560 1,480 646 691 882 893 802
13 714 804 1,110 1,560 2,810 3,480 1,440 640 692 890 900 811
14 717 807 1,130 1,550 2,860 3,480 1,410 633 692 897 912 792
15 734 807 1,090 1,560 2,930 3,350 1,380 625 694 909 905 779
16 734 819 1,110 1,540 3,050 3,260 1,330 620 703 916 900 764
17 743 823 1,130 1,530 3,210 3,280 1,280 621 710 925 904 757
18 758 819 1,100 1,550 3,400 3,300 1,240 615 720 930 898 741
19 767 814 1,120 1,590 3,560 3,260 1,200 608 730 928 892 724
20 771 825 1,150 1,650 3,640 3,230 1,170 605 745 931 890 724
21 758 828 1,140 1,750 3,630 3,120 1,130 611 752 936 890 730
22 742 817 1,150 1,860 3,600 3,010 1,080 623 756 933 880 728
23 740 826 1,180 1,990 3,580 2,890 1,050 632 759 931 862 711
24 730 801 1,190 2,080 3,570 2,780 1,020 640 762 928 853 710
25 736 957 1,170 2,130 3,650 2,650 981 643 760 922 860 706
26 745 912 1,170 2,140 3,680 2,540 948 641 757 918 856 697
27 759 863 1,190 2,170 3,720 2,460 931 641 759 918 848 691
28 755 812 1,180 2,180 3,740 2,360 916 642 758 921 847 701
29 721 886 1,180 2,160 3,810 2,300 884 638 759 922 842 709
30 721   1,170 2,170 3,870 2,270 853 638 767 913 844 716
31 738   1,170   3,880   833 635   914   730