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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 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 -> 2024-09-30)

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 2,230 2,770 2,990 2,840
2 2,790 2,810 3,050 4,130 4,730 5,480 5,920 2,670 2,240 2,800 2,940 2,840
3 2,790 2,820 3,100 4,140 4,690 5,660 5,900 2,580 2,230 2,830 2,880 2,830
4 2,800 2,820 3,080 4,160 4,620 5,650 5,810 2,530 2,280 2,900 2,890 2,800
5 2,790 2,840 3,100 4,240 4,570 5,650 5,770 2,470 2,250 2,950 2,910 2,810
6 2,790 2,830 3,200 4,310 4,540 5,710 5,710 2,440 2,260 2,930 2,910 2,820
7 2,780 2,850 3,330 4,300 4,490 5,790 5,490 2,480 2,280 2,900 2,820 2,800
8 2,790 2,810 3,310 4,340 4,520 5,760 5,410 2,420 2,300 2,880 2,820 2,810
9 2,800 2,790 3,320 4,420 4,480 5,880 5,460 2,400 2,340 2,790 2,810 2,820
10 2,810 2,940 3,300 4,740 4,450 5,900 5,420 2,410 2,360 2,770 2,810 2,810
11 2,830 2,910 3,370 4,630 4,480 5,930 5,270 2,400 2,360 2,770 2,820 2,820
12 2,830 2,850 3,450 4,400 4,480 6,040 5,150 2,400 2,370 2,830 2,840 2,820
13 2,840 2,820 3,520 4,350 4,390 6,030 5,040 2,310 2,380 2,910 2,870 2,810
14 2,860 2,850 3,600 4,340 4,370 6,060 4,940 2,340 2,370 2,900 2,890 2,800
15 2,860 2,880 3,700 4,270 4,360 6,090 4,820 2,350 2,410 2,960 2,850 2,800
16 2,860 2,920 3,700 4,260 4,410 6,220 4,730 2,320 2,420 2,960 2,840 2,790
17 2,850 2,940 3,720 4,290 4,440 6,350 4,650 2,280 2,440 2,930 2,800 2,780
18 2,830 2,940 3,730 4,380 4,440 6,530 4,460 2,290 2,440 2,920 2,800 2,790
19 2,830 2,910 3,770 4,480 4,490 6,670 4,240 2,300 2,430 2,970 2,780 2,800
20 2,810 2,910 3,900 4,560 4,510 6,730 4,110 2,300 2,450 2,940 2,800 2,800
21 2,800 2,910 4,050 4,570 4,510 6,790 3,960 2,270 2,500 2,980 2,750 2,810
22 2,800 2,890 4,140 4,560 4,560 6,860 3,800 2,270 2,550 3,000 2,770 2,810
23 2,790 2,870 4,210 4,570 4,680 6,850 3,670 2,260 2,580 2,980 2,790 2,770
24 2,800 2,910 4,250 4,600 4,670 6,920 3,540 2,260 2,610 2,950 2,800 2,770
25 2,790 2,900 4,210 4,670 4,600 6,760 3,380 2,290 2,620 2,960 2,820 2,780
26 2,810 2,900 4,120 4,690 4,530 6,480 3,190 2,320 2,640 3,000 2,820 2,790
27 2,810 2,910 4,070 4,710 4,960 6,300 3,110 2,300 2,630 2,980 2,840 2,800
28 2,810 2,950 4,110 4,800 5,060 6,100 3,010 2,270 2,640 2,980 2,870 2,770
29 2,800 2,970 4,170 4,780 5,160 5,980 2,980 2,240 2,700 2,980 2,830 2,770
30 2,820   4,220 4,770 5,120 5,920 2,920 2,250 2,740 3,000 2,850 2,780
31 2,840   4,250   5,150   2,880 2,230   2,990   2,780