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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 06115200 Missouri River near Landusky MT


Fergus County, Montana
Hydrologic Unit Code 10040104
Latitude  47°37'53.15", Longitude 108°41'15.88" NAD83
Drainage area 40,649  square miles
Contributing drainage area 39,828  square miles
Gage datum 2,239.96 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 1933-10-01 -> 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 6,400 6,790 7,310 9,110 10,600 17,800 15,200 7,010 6,100 6,290 6,510 6,610
2 6,380 6,820 7,280 8,960 10,700 18,000 15,000 6,980 6,090 6,300 6,500 6,590
3 6,250 6,790 7,290 8,800 11,000 18,300 14,600 6,900 6,010 6,290 6,540 6,590
4 6,300 6,830 7,350 8,780 11,100 18,900 14,300 6,820 6,050 6,420 6,590 6,660
5 6,400 6,820 7,310 8,700 11,300 19,300 13,800 6,800 6,060 6,390 6,590 6,610
6 6,380 6,860 7,330 8,580 11,400 19,400 13,300 6,800 6,130 6,350 6,570 6,580
7 6,360 6,990 7,370 8,580 11,800 19,500 13,000 6,760 5,990 6,340 6,550 6,420
8 6,300 6,970 7,410 8,580 12,100 19,500 12,700 6,670 6,090 6,340 6,500 6,380
9 6,380 6,890 7,550 8,650 12,500 19,700 12,400 6,680 6,090 6,320 6,610 6,420
10 6,470 6,890 7,670 8,740 12,900 20,200 12,000 6,730 6,090 6,330 6,600 6,450
11 6,570 6,950 7,880 8,870 13,100 20,700 11,600 6,670 6,140 6,310 6,620 6,420
12 6,600 6,930 7,990 8,930 13,300 20,200 11,200 6,580 6,140 6,260 6,670 6,430
13 6,640 6,900 8,060 8,880 13,300 19,900 11,000 6,530 6,150 6,310 6,670 6,490
14 6,610 6,900 8,040 8,940 13,500 19,700 10,700 6,550 6,170 6,290 6,680 6,600
15 6,620 7,000 8,120 9,060 13,600 19,700 10,500 6,550 6,170 6,320 6,650 6,620
16 6,670 7,050 8,320 9,130 13,700 19,800 10,000 6,540 6,150 6,360 6,640 6,620
17 6,610 7,060 8,290 9,170 13,800 19,600 9,640 6,490 6,130 6,420 6,580 6,570
18 6,590 7,110 8,500 9,210 13,900 19,400 9,350 6,450 6,150 6,430 6,580 6,570
19 6,590 7,150 8,660 9,340 14,200 19,100 8,990 6,340 6,150 6,450 6,550 6,540
20 6,580 7,180 8,810 9,520 14,600 19,300 8,780 6,360 6,130 6,440 6,490 6,510
21 6,590 7,160 8,970 9,610 15,100 19,200 8,620 6,390 6,150 6,440 6,510 6,450
22 6,670 7,230 8,910 9,740 15,600 18,900 8,380 6,370 6,260 6,400 6,450 6,390
23 6,660 7,220 8,840 9,880 15,900 18,400 8,090 6,330 6,200 6,350 6,450 6,430
24 6,680 7,170 8,850 9,940 16,200 17,700 7,910 6,510 6,170 6,360 6,510 6,480
25 6,690 7,160 8,980 10,200 16,300 17,300 7,700 6,480 6,290 6,500 6,560 6,450
26 6,690 7,080 9,490 10,300 16,600 17,000 7,600 6,340 6,280 6,530 6,590 6,450
27 6,710 7,070 9,360 10,400 16,700 16,600 7,360 6,250 6,210 6,510 6,570 6,400
28 6,680 7,120 9,330 10,500 17,000 16,400 7,280 6,190 6,230 6,480 6,580 6,430
29 6,690 6,770 9,440 10,600 17,200 16,100 7,210 6,230 6,230 6,500 6,590 6,410
30 6,690   9,290 10,600 17,400 15,600 7,100 6,230 6,260 6,470 6,640 6,470
31 6,760   9,170   17,700   7,090 6,110   6,440   6,470