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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

Updated September 21, 2018 - USGS water-resources monitoring will continue with partner funds and USGS Cooperative Matching Funds at the following site: USGS water-resources monitoring will be discontinued at the following sites effective October 1, 2018:
  • 06024540 Big Hole R bel Mudd Cr nr Wisdom, MT (seasonal water temperature)
  • 06308400 Pumpkin Cr nr Miles City, MT (annual streamflow, water temperature, and sampling)
USGS monitoring activities at these sites were funded by partner agencies. Lack of partner funding for these sites resulted in discontinuation of all streamgaging activities.

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 79 - 80 years of record in, ft3/s   (Calculation Period 1939-10-01 -> 2019-09-30)

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
1 795 732 755 1,520 6,110 12,000 6,700 2,200 1,250 1,140 1,250 1,130
2 779 744 737 1,550 6,220 11,900 6,470 2,140 1,240 1,180 1,250 1,110
3 771 754 736 1,610 6,450 12,100 6,200 2,080 1,220 1,160 1,240 1,120
4 753 756 746 1,680 6,730 12,300 5,980 2,020 1,200 1,130 1,250 1,140
5 751 756 750 1,770 6,990 12,300 5,760 1,950 1,190 1,110 1,290 1,120
6 763 754 765 1,900 7,400 12,300 5,550 1,900 1,180 1,100 1,280 1,070
7 778 760 782 2,030 7,770 12,200 5,330 1,850 1,180 1,080 1,350 1,020
8 801 768 792 2,130 8,040 12,000 5,120 1,800 1,160 1,070 1,470 975
9 799 782 798 2,250 8,300 11,900 4,930 1,770 1,150 1,060 1,380 966
10 794 782 812 2,380 8,590 11,200 4,750 1,750 1,140 1,080 1,310 1,000
11 775 789 820 2,490 8,880 10,800 4,570 1,710 1,130 1,100 1,360 1,010
12 763 778 843 2,580 9,110 10,500 4,390 1,670 1,110 1,120 1,410 1,020
13 761 772 882 2,730 9,520 10,300 4,270 1,630 1,100 1,110 1,390 1,010
14 773 770 891 2,910 9,730 10,300 4,180 1,590 1,090 1,120 1,430 988
15 802 767 924 3,040 9,760 10,000 4,060 1,550 1,090 1,150 1,380 970
16 824 773 1,030 3,130 10,000 9,930 3,870 1,520 1,100 1,170 1,340 941
17 844 766 1,050 3,260 10,400 9,980 3,680 1,490 1,090 1,200 1,280 925
18 821 757 1,040 3,490 10,800 9,950 3,530 1,460 1,110 1,200 1,240 906
19 817 753 1,060 3,680 11,000 9,660 3,390 1,430 1,130 1,200 1,210 887
20 801 756 1,060 3,940 11,200 9,410 3,260 1,400 1,130 1,250 1,200 886
21 793 756 1,060 4,200 11,400 9,170 3,130 1,380 1,140 1,270 1,190 890
22 792 761 1,070 4,450 11,700 8,830 3,000 1,360 1,140 1,250 1,160 882
23 787 741 1,090 4,680 11,900 8,610 2,880 1,360 1,130 1,230 1,140 882
24 788 732 1,110 5,010 12,000 8,370 2,770 1,370 1,120 1,220 1,200 869
25 783 733 1,160 5,290 12,100 8,110 2,690 1,370 1,110 1,220 1,240 867
26 763 742 1,210 5,320 12,300 7,810 2,610 1,360 1,120 1,240 1,200 865
27 744 759 1,230 5,340 12,400 7,520 2,540 1,350 1,120 1,250 1,150 892
28 735 756 1,270 5,470 12,300 7,210 2,460 1,320 1,100 1,250 1,140 903
29 729 715 1,320 5,680 12,100 6,940 2,400 1,290 1,080 1,250 1,120 870
30 732   1,380 5,890 12,100 6,830 2,330 1,270 1,090 1,230 1,130 841
31 727   1,450   12,100   2,270 1,260   1,240   818