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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).

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)

Updated May 12, 2020 - USGS water-resources monitoring activities were suspended effective June 1, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)
USGS monitoring activities at this site was funded by our partner and USGS Cooperative Matching Funds (06088500). Lack of partner funding for this site resulted in suspension of all USGS monitoring activities. Efforts are ongoing to secure funding for future monitoring. Historical data will continue to be available from USGS.

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 -> 2020-09-30)

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 4,500 6,400 12,200 8,760 2,760 2,800 3,680 4,570 4,160
2 3,250 3,490 3,660 4,600 6,440 12,300 8,390 2,740 2,830 3,720 4,570 4,140
3 3,220 3,520 3,660 4,670 6,440 12,500 8,020 2,700 2,860 3,750 4,610 4,140
4 3,230 3,530 3,660 4,680 6,510 12,700 7,750 2,680 2,860 3,830 4,630 4,160
5 3,270 3,550 3,650 4,700 6,610 13,000 7,570 2,660 2,880 3,870 4,680 4,020
6 3,280 3,520 3,690 4,790 6,730 13,300 7,290 2,630 2,920 3,900 4,700 3,870
7 3,320 3,510 3,790 4,880 6,880 13,500 6,940 2,600 2,890 3,960 4,680 3,790
8 3,370 3,540 3,840 4,970 7,110 13,600 6,590 2,560 2,930 3,980 4,650 3,720
9 3,350 3,530 3,880 5,060 7,350 13,600 6,230 2,540 2,980 4,000 4,670 3,650
10 3,340 3,540 3,940 5,110 7,530 13,600 5,970 2,510 3,030 4,040 4,670 3,640
11 3,330 3,570 3,950 5,160 7,740 13,600 5,740 2,490 3,070 4,050 4,660 3,650
12 3,320 3,600 3,990 5,230 7,850 13,400 5,500 2,480 3,120 4,100 4,620 3,690
13 3,350 3,630 4,020 5,310 7,880 13,200 5,260 2,470 3,170 4,140 4,580 3,720
14 3,390 3,660 4,010 5,410 7,950 13,000 5,040 2,490 3,190 4,180 4,630 3,670
15 3,450 3,670 3,980 5,490 8,110 12,800 4,800 2,500 3,220 4,260 4,620 3,650
16 3,450 3,690 4,020 5,550 8,270 12,700 4,570 2,480 3,250 4,310 4,590 3,610
17 3,440 3,740 4,070 5,640 8,530 12,700 4,300 2,500 3,270 4,340 4,600 3,570
18 3,410 3,800 4,160 5,690 8,850 12,500 4,080 2,490 3,310 4,370 4,580 3,560
19 3,460 3,790 4,220 5,780 9,210 12,300 3,910 2,540 3,370 4,370 4,550 3,510
20 3,440 3,790 4,180 5,890 9,450 12,100 3,770 2,510 3,380 4,380 4,500 3,470
21 3,410 3,740 4,210 5,990 9,670 11,800 3,640 2,520 3,450 4,420 4,460 3,510
22 3,400 3,780 4,260 6,080 10,100 11,500 3,530 2,550 3,520 4,440 4,420 3,550
23 3,410 3,750 4,300 6,190 10,300 11,300 3,400 2,580 3,520 4,460 4,380 3,560
24 3,410 3,710 4,360 6,330 10,600 11,000 3,280 2,620 3,540 4,500 4,410 3,480
25 3,390 3,710 4,380 6,350 10,800 10,600 3,150 2,650 3,520 4,530 4,420 3,460
26 3,400 3,660 4,380 6,380 10,900 10,400 3,050 2,690 3,520 4,500 4,390 3,420
27 3,390 3,650 4,410 6,350 11,100 10,100 2,950 2,690 3,540 4,520 4,330 3,410
28 3,380 3,680 4,430 6,310 11,300 9,820 2,880 2,680 3,610 4,520 4,300 3,390
29 3,370 3,740 4,470 6,310 11,700 9,490 2,850 2,720 3,630 4,540 4,240 3,350
30 3,360   4,490 6,350 12,000 9,120 2,820 2,730 3,670 4,530 4,190 3,350
31 3,410   4,490   12,200   2,770 2,750   4,550   3,370