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USGS Surface-Water 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 -> 2021-09-30)

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 6,820 7,360 9,220 10,600 18,000 15,400 7,030 6,120 6,330 6,550 6,650
2 6,400 6,860 7,300 9,070 10,700 18,100 15,100 7,000 6,120 6,330 6,540 6,640
3 6,250 6,820 7,300 8,890 11,000 18,500 14,800 6,920 6,030 6,320 6,570 6,650
4 6,310 6,860 7,380 8,860 11,100 19,000 14,500 6,840 6,070 6,450 6,620 6,710
5 6,410 6,840 7,350 8,780 11,300 19,400 13,900 6,820 6,080 6,420 6,630 6,660
6 6,380 6,880 7,390 8,650 11,500 19,500 13,400 6,820 6,160 6,380 6,620 6,630
7 6,370 7,010 7,440 8,640 11,800 19,700 13,100 6,780 6,020 6,370 6,590 6,460
8 6,310 6,990 7,490 8,630 12,100 19,600 12,800 6,680 6,120 6,370 6,530 6,410
9 6,390 6,910 7,630 8,670 12,500 19,800 12,500 6,700 6,120 6,350 6,640 6,450
10 6,480 6,910 7,750 8,760 12,900 20,300 12,000 6,760 6,120 6,360 6,640 6,480
11 6,600 6,970 7,960 8,900 13,100 20,800 11,700 6,710 6,170 6,350 6,670 6,450
12 6,640 6,970 8,070 8,950 13,300 20,300 11,200 6,610 6,170 6,310 6,720 6,450
13 6,680 6,930 8,130 8,910 13,400 20,000 11,000 6,560 6,180 6,350 6,720 6,520
14 6,650 6,940 8,110 8,960 13,600 19,800 10,700 6,590 6,200 6,330 6,720 6,640
15 6,670 7,030 8,200 9,090 13,700 19,800 10,500 6,590 6,200 6,360 6,690 6,660
16 6,710 7,090 8,400 9,180 13,800 19,900 10,100 6,580 6,180 6,410 6,670 6,660
17 6,630 7,110 8,370 9,230 13,900 19,700 9,680 6,520 6,160 6,470 6,620 6,610
18 6,600 7,170 8,580 9,280 14,000 19,400 9,410 6,480 6,180 6,480 6,620 6,620
19 6,590 7,220 8,750 9,430 14,300 19,200 9,040 6,370 6,180 6,500 6,590 6,590
20 6,580 7,230 8,910 9,610 14,600 19,400 8,820 6,380 6,160 6,490 6,530 6,560
21 6,600 7,200 9,070 9,690 15,100 19,300 8,650 6,420 6,180 6,490 6,550 6,490
22 6,690 7,260 9,020 9,820 15,700 19,000 8,420 6,400 6,290 6,450 6,490 6,420
23 6,680 7,260 8,940 9,940 16,000 18,500 8,140 6,350 6,220 6,390 6,490 6,460
24 6,690 7,220 8,950 10,000 16,300 17,800 7,950 6,540 6,190 6,400 6,540 6,510
25 6,700 7,220 9,090 10,200 16,400 17,400 7,740 6,500 6,310 6,530 6,600 6,480
26 6,710 7,150 9,610 10,300 16,800 17,100 7,630 6,360 6,300 6,570 6,630 6,470
27 6,750 7,130 9,480 10,500 16,800 16,700 7,380 6,260 6,220 6,540 6,610 6,420
28 6,710 7,170 9,440 10,600 17,100 16,500 7,300 6,210 6,250 6,520 6,620 6,450
29 6,710 6,770 9,560 10,700 17,400 16,200 7,230 6,250 6,250 6,540 6,620 6,420
30 6,700   9,400 10,600 17,500 15,700 7,120 6,250 6,290 6,510 6,680 6,470
31 6,770   9,280   17,800   7,110 6,130   6,480   6,480