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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 06054500 Missouri River at Toston MT


Broadwater County, Montana
Hydrologic Unit Code 10030101
Latitude  46°08'47.66", Longitude 111°25'13.00" NAD83
Drainage area 14,641  square miles
Gage datum 3,905.68 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 1889-10-01 -> 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 3,300 3,490 3,690 4,490 6,420 12,300 8,770 2,750 2,790 3,670 4,560 4,160
2 3,250 3,490 3,660 4,590 6,470 12,400 8,400 2,730 2,820 3,710 4,560 4,140
3 3,220 3,520 3,660 4,660 6,470 12,500 8,030 2,700 2,850 3,740 4,610 4,140
4 3,230 3,530 3,660 4,660 6,540 12,700 7,750 2,680 2,850 3,820 4,630 4,160
5 3,270 3,550 3,650 4,690 6,630 13,000 7,560 2,650 2,870 3,850 4,680 4,020
6 3,280 3,520 3,690 4,780 6,740 13,300 7,290 2,620 2,900 3,890 4,700 3,870
7 3,320 3,510 3,790 4,870 6,890 13,500 6,940 2,600 2,880 3,940 4,680 3,790
8 3,370 3,540 3,840 4,950 7,110 13,600 6,580 2,550 2,920 3,970 4,650 3,720
9 3,350 3,530 3,890 5,050 7,340 13,600 6,230 2,530 2,970 3,990 4,670 3,650
10 3,340 3,540 3,940 5,100 7,510 13,600 5,960 2,500 3,020 4,020 4,670 3,640
11 3,330 3,570 3,950 5,150 7,730 13,600 5,730 2,480 3,060 4,040 4,660 3,650
12 3,320 3,600 3,990 5,230 7,830 13,400 5,490 2,470 3,110 4,090 4,620 3,690
13 3,350 3,630 4,020 5,310 7,860 13,200 5,250 2,470 3,150 4,130 4,580 3,720
14 3,390 3,660 4,000 5,400 7,940 13,000 5,030 2,490 3,180 4,170 4,630 3,670
15 3,450 3,670 3,970 5,480 8,090 12,800 4,780 2,490 3,210 4,250 4,620 3,650
16 3,450 3,690 4,010 5,540 8,250 12,600 4,560 2,480 3,240 4,300 4,590 3,610
17 3,440 3,740 4,070 5,620 8,520 12,700 4,290 2,490 3,250 4,330 4,600 3,570
18 3,410 3,800 4,160 5,670 8,830 12,500 4,070 2,480 3,290 4,360 4,580 3,560
19 3,460 3,790 4,220 5,760 9,190 12,300 3,900 2,530 3,350 4,360 4,550 3,510
20 3,440 3,790 4,170 5,870 9,450 12,100 3,760 2,500 3,370 4,370 4,500 3,470
21 3,410 3,740 4,210 5,980 9,690 11,800 3,620 2,520 3,440 4,420 4,460 3,510
22 3,400 3,780 4,250 6,070 10,100 11,500 3,520 2,540 3,510 4,440 4,420 3,550
23 3,410 3,750 4,300 6,180 10,400 11,300 3,390 2,570 3,510 4,450 4,380 3,560
24 3,410 3,710 4,360 6,330 10,600 11,000 3,270 2,610 3,530 4,490 4,410 3,480
25 3,390 3,710 4,370 6,350 10,800 10,600 3,140 2,640 3,510 4,520 4,420 3,460
26 3,400 3,660 4,380 6,380 10,900 10,300 3,050 2,690 3,510 4,490 4,390 3,420
27 3,390 3,650 4,410 6,350 11,100 10,000 2,950 2,680 3,530 4,500 4,330 3,410
28 3,380 3,680 4,420 6,310 11,300 9,800 2,880 2,670 3,590 4,520 4,300 3,390
29 3,370 3,740 4,460 6,310 11,700 9,470 2,850 2,710 3,610 4,540 4,240 3,350
30 3,360   4,480 6,350 12,000 9,120 2,820 2,720 3,660 4,530 4,190 3,350
31 3,410   4,490   12,200   2,770 2,730   4,550   3,370