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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 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 -> 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 3,650 3,760 4,010 4,580 6,090 7,880 6,870 3,460 3,400 3,520 3,780 3,920
2 3,750 3,880 4,000 4,660 6,000 7,840 6,740 3,440 3,370 3,540 3,750 3,950
3 3,840 3,810 4,050 4,670 6,010 7,980 6,440 3,490 3,440 3,560 3,780 4,040
4 3,800 3,840 4,080 4,640 6,070 7,990 5,980 3,440 3,540 3,560 3,710 4,030
5 3,820 3,920 4,090 4,720 6,060 7,840 6,100 3,410 3,560 3,550 3,750 4,050
6 3,800 3,980 4,140 4,750 6,080 7,750 6,300 3,500 3,470 3,550 3,750 4,000
7 3,760 4,110 4,190 4,900 6,040 8,010 6,100 3,530 3,350 3,480 3,670 4,050
8 3,760 4,110 4,210 4,850 6,110 8,180 5,940 3,430 3,460 3,470 3,670 4,030
9 3,770 4,120 4,220 4,820 6,180 8,340 5,780 3,380 3,520 3,600 3,670 3,970
10 3,880 4,060 4,350 4,850 6,310 8,560 5,650 3,420 3,570 3,660 3,690 3,940
11 3,880 4,000 4,380 4,930 6,320 8,660 5,410 3,470 3,570 3,640 3,760 3,920
12 3,880 3,960 4,420 4,980 6,360 8,640 5,290 3,420 3,490 3,680 3,740 3,870
13 3,900 3,960 4,510 5,140 6,350 8,480 5,090 3,450 3,600 3,670 3,780 3,820
14 3,850 4,020 4,540 5,270 6,490 8,380 4,900 3,490 3,580 3,650 3,770 3,900
15 3,840 4,000 4,540 5,380 6,620 8,340 4,710 3,470 3,620 3,740 3,750 3,860
16 3,870 4,020 4,480 5,480 6,640 8,250 4,590 3,430 3,630 3,730 3,830 3,830
17 3,810 4,120 4,490 5,490 6,700 8,350 4,490 3,450 3,610 3,670 3,820 3,860
18 3,820 3,990 4,490 5,440 6,770 8,680 4,430 3,450 3,580 3,730 3,870 3,850
19 3,830 3,940 4,530 5,400 6,820 8,510 4,240 3,440 3,530 3,760 3,960 3,760
20 3,920 3,930 4,580 5,510 7,140 8,320 4,160 3,430 3,570 3,700 3,970 3,720
21 3,890 3,950 4,700 5,600 7,260 8,270 4,070 3,450 3,560 3,750 3,850 3,760
22 3,790 3,890 4,710 5,560 7,250 8,010 3,990 3,420 3,590 3,730 3,820 3,790
23 3,830 3,990 4,660 5,530 7,330 7,990 3,940 3,520 3,610 3,670 3,820 3,880
24 3,830 4,040 4,660 5,680 7,360 7,860 3,860 3,470 3,710 3,690 3,790 3,870
25 3,820 4,100 4,680 5,740 7,340 7,790 3,750 3,510 3,750 3,740 3,740 3,450
26 3,780 4,040 4,620 5,780 7,520 7,590 3,630 3,490 3,610 3,700 3,890 3,630
27 3,720 3,980 4,560 5,680 7,650 7,390 3,610 3,500 3,550 3,740 3,930 3,840
28 3,770 4,010 4,580 5,890 7,910 7,260 3,560 3,550 3,640 3,710 3,830 3,750
29 3,870 4,570 4,620 5,920 8,120 7,110 3,560 3,520 3,610 3,800 3,920 3,700
30 3,880   4,610 5,960 7,980 6,970 3,500 3,500 3,600 3,780 3,910 3,670
31 3,850   4,600   7,960   3,530 3,470   3,740   3,690