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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 06090300 Missouri River near Great Falls MT


Cascade County, Montana
Hydrologic Unit Code 10030102
Latitude  47°35'04.00", Longitude 111°03'38.09" NAD83
Drainage area 22,881  square miles
Gage datum 2,807.21 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 1956-10-01 -> 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 5,620 6,100 6,190 6,620 8,330 13,400 11,900 6,100 5,450 5,480 5,910 5,920
2 5,600 6,180 6,210 6,670 8,460 13,300 11,700 6,030 5,520 5,480 5,920 5,940
3 5,740 6,310 6,250 6,770 8,540 13,200 11,300 6,040 5,480 5,460 5,900 5,930
4 5,780 6,270 6,230 6,790 8,710 13,100 10,900 5,950 5,450 5,480 5,880 5,950
5 5,880 6,160 6,280 6,690 8,750 13,100 10,900 6,040 5,410 5,500 5,850 5,920
6 5,860 6,240 6,300 6,670 9,070 13,200 10,600 5,960 5,470 5,440 5,820 5,930
7 5,850 6,130 6,360 6,700 9,430 13,200 10,400 6,000 5,370 5,490 5,880 5,920
8 5,950 6,130 6,450 6,910 9,780 13,600 10,200 5,910 5,460 5,460 5,920 5,990
9 6,080 6,230 6,610 7,030 10,000 13,800 9,740 5,940 5,490 5,450 5,930 5,870
10 6,000 6,230 6,620 7,160 10,200 14,000 9,390 5,930 5,420 5,480 5,960 5,880
11 6,020 6,250 6,790 7,200 10,300 14,000 9,210 5,820 5,460 5,460 5,950 5,960
12 6,110 6,200 6,780 7,280 10,600 13,800 9,000 5,890 5,510 5,460 5,930 6,020
13 6,140 6,320 6,700 7,320 10,700 13,600 8,830 5,790 5,550 5,470 5,960 6,160
14 6,220 6,260 6,730 7,350 10,800 13,800 8,580 5,800 5,460 5,540 6,040 6,170
15 6,050 6,300 6,680 7,250 10,700 14,000 8,290 5,830 5,490 5,660 5,940 6,040
16 6,040 6,300 6,610 7,270 10,800 13,800 7,850 5,800 5,530 5,660 5,950 5,970
17 6,130 6,350 6,600 7,320 11,000 13,800 7,560 5,680 5,440 5,670 5,940 5,890
18 6,080 6,260 6,700 7,470 11,400 13,900 7,450 5,710 5,380 5,670 5,910 5,900
19 6,170 6,220 6,840 7,440 11,600 14,000 7,330 5,720 5,410 5,620 5,940 5,840
20 6,220 6,280 6,790 7,570 11,700 14,100 7,220 5,760 5,470 5,610 5,880 5,740
21 6,210 6,240 6,680 7,620 11,800 14,300 7,030 5,630 5,380 5,550 5,810 5,710
22 6,230 6,210 6,670 7,670 12,000 13,900 6,930 5,650 5,350 5,560 5,830 5,840
23 6,210 6,230 6,630 7,790 12,300 13,600 6,720 5,710 5,340 5,680 5,820 5,870
24 6,190 6,230 6,520 7,850 12,300 13,200 6,610 5,640 5,320 5,780 5,830 5,820
25 6,110 6,130 6,620 7,980 12,500 12,900 6,430 5,660 5,380 5,770 5,900 5,750
26 6,080 6,160 6,600 8,110 12,700 12,800 6,370 5,640 5,390 5,810 5,910 5,940
27 6,150 6,180 6,650 8,260 13,000 12,700 6,300 5,650 5,440 5,780 5,930 5,960
28 6,150 6,220 6,680 8,220 13,100 12,400 6,200 5,550 5,450 5,780 5,950 5,890
29 6,210 6,190 6,590 8,150 13,100 12,200 6,210 5,520 5,530 5,780 6,000 5,810
30 6,260   6,560 8,210 13,000 12,100 6,190 5,490 5,550 5,830 5,930 5,780
31 6,200   6,560   13,200   6,160 5,510   5,840   5,770