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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 06065500 Missouri River bl Hauser Dam near Helena MT


Lewis And Clark County, Montana
Hydrologic Unit Code 10030101
Latitude  46°45'58.29", Longitude 111°53'19.66" NAD83
Drainage area 16,669  square miles
Gage datum 3,580 feet above NAVD88
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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 1922-10-01 -> 2018-09-30)

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 3,590 3,710 3,970 4,530 5,980 7,970 6,810 3,390 3,350 3,450 3,740 3,890
2 3,700 3,830 3,960 4,620 5,900 7,930 6,670 3,380 3,320 3,480 3,710 3,920
3 3,790 3,760 4,010 4,620 5,930 8,080 6,360 3,430 3,390 3,510 3,740 4,000
4 3,750 3,780 4,040 4,600 5,980 8,070 5,870 3,380 3,500 3,520 3,670 4,000
5 3,770 3,860 4,050 4,660 5,980 7,900 6,030 3,360 3,520 3,510 3,710 4,010
6 3,750 3,920 4,100 4,690 6,000 7,780 6,270 3,450 3,420 3,510 3,710 3,950
7 3,710 4,060 4,140 4,850 5,970 8,020 6,050 3,480 3,300 3,440 3,620 4,000
8 3,710 4,060 4,160 4,790 6,050 8,200 5,890 3,370 3,410 3,420 3,610 3,990
9 3,710 4,060 4,170 4,760 6,130 8,380 5,750 3,320 3,460 3,560 3,610 3,930
10 3,810 4,010 4,310 4,790 6,270 8,630 5,630 3,370 3,510 3,630 3,630 3,890
11 3,810 3,940 4,340 4,860 6,280 8,740 5,390 3,410 3,510 3,610 3,710 3,870
12 3,810 3,900 4,380 4,900 6,320 8,710 5,250 3,360 3,430 3,640 3,690 3,810
13 3,830 3,900 4,480 5,070 6,330 8,570 5,050 3,390 3,550 3,630 3,730 3,770
14 3,780 3,950 4,510 5,210 6,490 8,470 4,860 3,440 3,530 3,610 3,730 3,850
15 3,770 3,930 4,510 5,320 6,630 8,430 4,660 3,420 3,570 3,700 3,700 3,810
16 3,800 3,970 4,450 5,410 6,650 8,330 4,530 3,380 3,570 3,700 3,790 3,780
17 3,750 4,070 4,450 5,420 6,720 8,440 4,430 3,400 3,560 3,640 3,770 3,810
18 3,770 3,930 4,450 5,370 6,790 8,780 4,370 3,400 3,530 3,700 3,820 3,800
19 3,790 3,880 4,500 5,330 6,840 8,580 4,170 3,390 3,480 3,740 3,920 3,710
20 3,880 3,880 4,550 5,450 7,180 8,370 4,080 3,370 3,520 3,670 3,930 3,670
21 3,850 3,890 4,680 5,540 7,310 8,310 4,000 3,390 3,510 3,720 3,810 3,710
22 3,740 3,830 4,690 5,480 7,300 8,040 3,910 3,370 3,540 3,700 3,770 3,740
23 3,780 3,940 4,630 5,420 7,380 7,990 3,870 3,460 3,560 3,630 3,780 3,830
24 3,780 3,990 4,630 5,580 7,400 7,850 3,780 3,410 3,660 3,650 3,740 3,820
25 3,780 4,050 4,650 5,630 7,390 7,780 3,670 3,460 3,700 3,710 3,690 3,390
26 3,730 3,990 4,590 5,670 7,570 7,580 3,560 3,430 3,570 3,660 3,850 3,570
27 3,670 3,930 4,520 5,570 7,700 7,390 3,540 3,450 3,500 3,710 3,890 3,790
28 3,720 3,960 4,530 5,780 7,970 7,240 3,490 3,500 3,590 3,680 3,790 3,700
29 3,830 4,530 4,570 5,810 8,190 7,080 3,490 3,470 3,560 3,770 3,890 3,640
30 3,840   4,560 5,850 8,060 6,930 3,420 3,450 3,550 3,750 3,870 3,610
31 3,800   4,540   8,040   3,460 3,420   3,700   3,630