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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).


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 12363000 Flathead River at Columbia Falls MT


Flathead County, Montana
Hydrologic Unit Code 17010208
Latitude  48°21'42.52", Longitude 114°11'05.82" NAD83
Drainage area 4,473  square miles
Gage datum 2,981.54 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 1951-10-01 -> 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 5,250 5,580 5,150 7,840 16,200 27,400 18,400 7,170 4,970 5,540 5,410 6,010
2 5,470 5,760 5,220 7,940 16,500 27,600 17,900 7,170 4,790 5,500 5,450 5,900
3 6,100 5,580 5,210 7,740 16,800 28,200 17,300 7,070 4,760 5,550 5,530 6,020
4 5,970 5,480 5,150 8,000 17,200 28,800 16,500 6,880 4,940 5,170 5,300 6,170
5 6,010 5,530 5,140 8,060 17,600 28,800 16,300 6,630 5,080 5,180 5,480 6,170
6 6,090 5,550 5,040 8,650 18,400 28,800 15,800 6,440 5,150 5,260 5,400 6,070
7 6,180 5,720 5,050 8,890 19,300 28,500 15,300 6,520 5,200 5,220 5,520 5,950
8 6,240 5,940 5,210 9,310 19,800 28,300 14,700 6,340 5,340 5,510 5,850 6,060
9 6,300 6,150 5,740 9,580 19,900 28,900 14,100 6,240 5,450 5,300 5,620 6,040
10 6,150 6,040 5,830 9,830 20,400 27,300 13,500 6,010 5,510 5,500 5,550 6,280
11 6,180 5,930 5,910 10,100 20,800 26,200 13,100 6,220 5,460 5,460 5,530 6,280
12 6,230 5,700 5,750 10,500 20,900 25,600 12,600 6,000 5,270 5,780 5,950 6,140
13 6,130 5,610 6,070 11,000 21,700 25,400 12,400 5,850 5,440 5,820 5,750 6,180
14 5,600 5,670 5,750 11,200 22,300 25,700 12,100 5,820 5,210 5,670 5,590 6,170
15 5,650 5,760 5,810 11,500 22,600 25,000 11,800 5,780 5,190 5,120 5,460 6,000
16 5,800 5,670 6,220 11,600 23,300 24,800 11,500 5,860 5,300 5,190 5,710 6,020
17 5,910 5,500 6,210 11,900 24,500 25,200 11,000 5,740 5,340 5,290 5,830 6,210
18 5,820 5,410 6,070 12,100 25,300 24,900 10,700 5,900 5,280 5,280 5,670 6,440
19 5,760 5,430 6,160 12,700 25,700 24,600 10,200 5,710 5,320 5,120 5,390 6,190
20 5,880 5,550 6,210 12,900 26,200 24,500 9,870 5,580 5,380 5,300 5,450 6,190
21 5,760 5,490 6,280 13,300 26,700 23,800 9,630 5,830 5,560 5,270 5,730 6,210
22 5,870 5,700 6,440 13,900 27,100 23,200 9,170 5,720 5,710 5,390 5,660 6,220
23 5,790 5,670 6,650 14,300 27,400 23,000 8,890 5,710 5,660 5,430 5,670 5,960
24 6,100 5,370 6,820 15,000 27,600 22,200 8,660 5,690 5,500 5,280 5,630 5,450
25 6,000 5,280 6,670 15,700 27,600 21,400 8,520 5,620 5,400 5,300 5,470 5,010
26 5,880 5,290 6,930 15,700 28,000 21,000 8,230 5,490 5,170 5,560 5,490 5,150
27 5,710 5,430 7,030 15,800 28,000 20,300 7,990 5,490 5,260 5,590 5,430 5,330
28 5,580 5,190 6,920 15,900 27,500 19,800 7,940 5,450 5,230 5,440 5,220 5,530
29 5,500 5,890 7,190 16,100 27,300 19,100 7,480 5,460 5,360 5,380 5,290 5,600
30 5,490   7,250 16,100 27,700 18,800 7,200 5,420 5,500 5,270 5,770 5,600
31 5,390   7,540   27,700   7,010 5,200   5,300   5,490