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  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

    • 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 06288400 Bighorn River at Two Leggins Bridge, near Hardin


    Big Horn County, Montana
    Hydrologic Unit Code 10080015
    Latitude  45°38'39", Longitude 107°39'27" NAD27
    Drainage area 20,614  square miles
    Gage datum 2,937 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 2011-10-01 -> 2025-09-30)

    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 2,780 2,800 3,000 4,150 4,740 5,240 5,900 2,750 2,220 2,740 2,950 2,840
    2 2,790 2,810 3,050 4,130 4,730 5,480 5,920 2,670 2,230 2,780 2,910 2,840
    3 2,790 2,820 3,100 4,140 4,690 5,660 5,900 2,580 2,220 2,800 2,860 2,830
    4 2,800 2,820 3,080 4,160 4,620 5,650 5,810 2,530 2,250 2,870 2,870 2,800
    5 2,790 2,840 3,100 4,240 4,570 5,650 5,770 2,470 2,230 2,920 2,870 2,810
    6 2,790 2,830 3,200 4,310 4,540 5,710 5,710 2,440 2,260 2,900 2,880 2,820
    7 2,780 2,850 3,330 4,300 4,490 5,790 5,490 2,480 2,280 2,870 2,800 2,800
    8 2,790 2,810 3,310 4,340 4,520 5,760 5,410 2,420 2,300 2,840 2,800 2,810
    9 2,800 2,790 3,320 4,420 4,480 5,880 5,460 2,400 2,340 2,760 2,790 2,820
    10 2,810 2,940 3,300 4,740 4,450 5,900 5,420 2,410 2,360 2,740 2,800 2,810
    11 2,830 2,910 3,370 4,630 4,480 5,930 5,270 2,400 2,360 2,740 2,810 2,820
    12 2,830 2,850 3,450 4,400 4,480 6,040 5,150 2,400 2,370 2,800 2,830 2,820
    13 2,840 2,820 3,520 4,350 4,390 6,030 5,040 2,310 2,370 2,870 2,870 2,810
    14 2,860 2,850 3,600 4,340 4,370 6,060 4,940 2,340 2,360 2,860 2,890 2,800
    15 2,860 2,880 3,700 4,270 4,360 6,090 4,820 2,350 2,400 2,910 2,850 2,800
    16 2,860 2,920 3,700 4,260 4,410 6,220 4,730 2,320 2,400 2,920 2,840 2,790
    17 2,850 2,940 3,720 4,290 4,440 6,350 4,650 2,280 2,430 2,890 2,800 2,780
    18 2,830 2,940 3,730 4,380 4,440 6,530 4,460 2,290 2,440 2,890 2,800 2,790
    19 2,830 2,910 3,770 4,480 4,490 6,670 4,240 2,300 2,430 2,930 2,780 2,800
    20 2,810 2,910 3,900 4,560 4,510 6,730 4,110 2,300 2,450 2,910 2,800 2,800
    21 2,800 2,910 4,050 4,570 4,510 6,790 3,960 2,270 2,480 2,940 2,750 2,810
    22 2,800 2,890 4,140 4,560 4,560 6,860 3,800 2,250 2,530 2,960 2,770 2,810
    23 2,790 2,870 4,210 4,570 4,680 6,850 3,670 2,240 2,560 2,940 2,790 2,770
    24 2,800 2,910 4,250 4,600 4,670 6,920 3,540 2,240 2,590 2,920 2,800 2,770
    25 2,790 2,900 4,210 4,670 4,600 6,760 3,380 2,270 2,600 2,920 2,820 2,780
    26 2,810 2,900 4,120 4,690 4,530 6,480 3,190 2,300 2,600 2,950 2,820 2,790
    27 2,810 2,910 4,070 4,710 4,960 6,300 3,110 2,290 2,600 2,940 2,840 2,800
    28 2,810 2,950 4,110 4,800 5,060 6,100 3,010 2,260 2,610 2,940 2,870 2,770
    29 2,800 2,970 4,170 4,780 5,160 5,980 2,980 2,230 2,660 2,940 2,830 2,770
    30 2,820   4,220 4,770 5,120 5,920 2,920 2,250 2,690 2,960 2,850 2,780
    31 2,840   4,250   5,150   2,880 2,230   2,960   2,780