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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 12355500 N F Flathead River nr Columbia Falls MT


Flathead County, Montana
Hydrologic Unit Code 17010206
Latitude  48°29'44.87", Longitude 114°07'36.35" NAD83
Drainage area 1,556  square miles
Gage datum 3,145.59 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 1939-10-01 -> 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
1 796 735 753 1,500 6,050 11,900 6,590 2,150 1,230 1,110 1,250 1,130
2 780 747 738 1,530 6,200 11,800 6,370 2,090 1,220 1,150 1,240 1,180
3 774 753 740 1,590 6,440 12,000 6,120 2,040 1,200 1,130 1,240 1,180
4 758 754 754 1,670 6,710 12,200 5,900 1,970 1,180 1,100 1,250 1,180
5 755 755 756 1,760 6,980 12,200 5,680 1,910 1,160 1,090 1,290 1,140
6 764 754 767 1,880 7,400 12,100 5,460 1,860 1,160 1,070 1,300 1,090
7 778 757 780 2,000 7,770 12,000 5,240 1,810 1,160 1,060 1,370 1,080
8 799 763 787 2,100 8,000 11,800 5,030 1,760 1,140 1,050 1,470 1,040
9 796 774 789 2,210 8,200 11,700 4,850 1,740 1,130 1,050 1,370 1,010
10 792 772 802 2,330 8,450 11,100 4,660 1,710 1,110 1,070 1,300 1,040
11 769 779 811 2,440 8,710 10,700 4,490 1,670 1,100 1,080 1,350 1,030
12 755 768 832 2,530 8,950 10,400 4,310 1,630 1,090 1,100 1,390 1,040
13 756 762 868 2,670 9,400 10,300 4,190 1,590 1,080 1,090 1,380 1,020
14 767 759 875 2,850 9,640 10,200 4,090 1,550 1,070 1,100 1,410 999
15 790 755 906 2,980 9,690 9,990 3,970 1,520 1,070 1,120 1,390 978
16 810 760 1,010 3,070 9,970 9,830 3,790 1,490 1,070 1,150 1,400 947
17 832 754 1,020 3,190 10,400 9,830 3,600 1,460 1,070 1,180 1,320 929
18 810 745 1,020 3,410 10,800 9,820 3,450 1,430 1,080 1,180 1,260 905
19 805 743 1,040 3,580 10,900 9,540 3,320 1,400 1,100 1,170 1,220 888
20 791 747 1,050 3,830 11,100 9,290 3,200 1,370 1,100 1,220 1,210 888
21 786 746 1,050 4,090 11,200 9,050 3,070 1,350 1,110 1,240 1,200 891
22 785 748 1,050 4,330 11,500 8,700 2,940 1,340 1,110 1,220 1,160 885
23 780 729 1,080 4,560 11,700 8,480 2,820 1,330 1,100 1,210 1,140 886
24 781 720 1,110 4,880 11,700 8,250 2,710 1,340 1,090 1,180 1,190 872
25 776 723 1,150 5,160 11,800 7,990 2,630 1,340 1,080 1,180 1,220 866
26 758 734 1,200 5,200 12,000 7,680 2,550 1,330 1,090 1,200 1,180 861
27 739 749 1,220 5,230 12,100 7,390 2,480 1,320 1,090 1,220 1,140 887
28 731 747 1,260 5,350 12,000 7,090 2,400 1,300 1,080 1,210 1,120 900
29 725 721 1,320 5,550 11,900 6,830 2,340 1,270 1,060 1,230 1,110 870
30 729   1,380 5,790 11,900 6,720 2,280 1,250 1,070 1,250 1,120 842
31 727   1,440   11,900   2,220 1,240   1,240   819