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USGS Daily Statistics for the Nation

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 12363500 Flathead River near Kalispell, MT


Flathead County, Montana
Hydrologic Unit Code 17010208
Latitude  48°13'16.09", Longitude 114°14'30.79" NAD83
Drainage area 4,500  square miles
Gage datum 2,911 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 2020-10-01 -> 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 4,050 4,490 4,400 6,850 15,900 20,500 18,300 5,440 4,640 3,600 4,840 4,960
2 4,040 4,470 4,660 6,710 19,500 20,500 17,600 5,320 4,380 3,590 4,580 6,790
3 4,100 4,400 5,230 6,640 23,000 20,500 17,600 5,240 4,210 3,650 4,360 7,420
4 4,170 4,280 5,820 7,910 25,400 20,500 18,100 5,100 4,080 3,720 4,250 6,680
5 4,090 4,060 5,780 7,860 28,100 21,700 17,000 5,070 3,980 3,720 4,230 6,160
6 4,200 3,960 5,500 7,670 31,900 23,500 15,300 4,990 3,890 3,600 4,510 5,740
7 4,400 3,900 5,290 7,530 33,800 24,100 14,200 4,880 3,770 3,570 4,450 6,370
8 4,460 3,900 5,150 7,420 30,500 23,500 13,800 4,790 3,760 3,600 4,380 6,710
9 4,480 3,860 5,130 7,610 26,900 22,600 13,500 4,740 3,650 3,620 4,230 6,330
10 4,490 3,810 5,330 7,850 24,000 23,900 13,100 4,690 3,590 3,610 4,080 5,970
11 4,290 3,820 5,480 8,160 22,200 26,300 12,500 4,520 3,630 3,660 4,010 5,650
12 4,270 3,810 5,470 8,440 21,200 28,200 11,900 4,440 3,630 3,660 3,950 5,440
13 4,310 3,790 5,430 8,310 21,100 28,300 11,300 4,430 3,600 3,680 4,090 5,200
14 4,280 3,810 5,320 8,000 21,300 29,600 11,000 4,420 3,590 3,670 4,570 5,020
15 4,260 3,790 5,250 7,710 21,700 30,300 10,600 4,380 3,590 3,660 5,510 4,820
16 4,250 3,790 5,370 7,520 23,400 29,400 10,200 4,340 3,600 3,660 7,600 4,670
17 4,200 3,760 5,340 7,600 25,800 28,000 9,860 4,310 3,600 3,670 6,690 4,480
18 4,360 3,750 5,310 7,590 26,300 29,300 9,470 4,330 3,710 3,670 5,850 4,250
19 4,650 3,840 5,350 6,890 25,800 30,000 9,210 4,360 3,700 3,670 5,420 4,260
20 4,640 3,830 5,420 6,640 25,200 29,000 8,660 4,370 3,590 3,660 5,140 4,260
21 4,670 3,800 5,540 6,800 24,400 29,700 8,200 4,390 3,600 3,660 4,910 4,120
22 4,640 3,760 5,620 7,080 23,600 28,900 7,950 4,370 3,610 3,710 4,710 4,160
23 4,620 3,860 5,570 7,040 22,700 28,400 7,420 4,300 3,590 3,740 4,570 4,290
24 4,630 4,010 5,770 7,320 21,100 27,000 6,650 4,270 3,600 3,690 4,470 4,370
25 4,610 4,070 6,030 7,970 20,200 24,100 6,100 4,240 3,610 3,710 4,370 4,280
26 4,630 4,160 6,070 8,530 20,200 21,800 6,020 4,230 3,590 3,720 4,320 4,130
27 4,590 4,210 6,090 9,240 20,800 20,400 5,930 4,220 3,580 3,720 4,290 4,110
28 4,580 4,250 6,250 10,500 23,600 19,700 5,810 4,230 3,570 3,740 4,250 4,060
29 4,500 3,570 6,700 11,700 24,000 20,100 5,720 4,200 3,590 3,900 4,430 4,110
30 4,460   6,960 13,200 22,500 19,300 5,660 4,170 3,600 5,660 4,750 4,100
31 4,560   6,920   21,300   5,570 4,550   5,400   4,120