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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 06026500 Jefferson River near Twin Bridges MT


Madison County, Montana
Hydrologic Unit Code 10020005
Latitude  45°36'47.82", Longitude 112°19'45.83" NAD83
Drainage area 7,616  square miles
Gage datum 4,560 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 1939-10-01 -> 2023-09-30)

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
1 996 987 1,010 1,550 2,500 5,380 3,260 832 743 1,080 1,340 1,230
2 991 1,020 1,020 1,630 2,510 5,410 3,090 820 744 1,090 1,350 1,240
3 979 1,020 1,020 1,640 2,500 5,400 2,900 802 749 1,090 1,350 1,230
4 990 1,000 1,020 1,650 2,500 5,490 2,770 782 757 1,100 1,360 1,210
5 1,010 1,010 1,020 1,710 2,560 5,650 2,640 770 755 1,120 1,350 1,170
6 1,010 1,020 1,030 1,780 2,630 5,820 2,510 763 765 1,130 1,340 1,140
7 1,020 1,030 1,040 1,890 2,730 5,970 2,390 751 780 1,140 1,330 1,120
8 1,030 1,040 1,060 2,010 2,880 6,070 2,310 734 785 1,150 1,350 1,110
9 1,020 1,050 1,060 2,010 2,970 6,080 2,230 717 791 1,160 1,370 1,100
10 1,010 1,050 1,070 2,080 3,040 6,130 2,160 704 796 1,170 1,350 1,090
11 988 1,040 1,090 2,200 3,080 6,030 2,080 694 809 1,180 1,340 1,090
12 965 1,030 1,130 2,240 3,110 5,790 2,000 685 816 1,200 1,330 1,100
13 973 1,030 1,150 2,250 3,150 5,640 1,940 680 816 1,200 1,320 1,110
14 989 1,030 1,170 2,220 3,230 5,500 1,860 679 817 1,210 1,330 1,100
15 991 1,030 1,190 2,200 3,290 5,340 1,780 672 829 1,230 1,330 1,100
16 983 1,040 1,220 2,210 3,410 5,210 1,690 672 844 1,240 1,330 1,090
17 987 1,040 1,260 2,200 3,590 5,130 1,600 670 845 1,250 1,330 1,100
18 979 1,020 1,270 2,210 3,810 5,140 1,510 664 862 1,250 1,310 1,080
19 987 1,010 1,270 2,220 3,940 5,080 1,430 656 877 1,260 1,320 1,060
20 979 1,020 1,290 2,260 4,090 4,950 1,370 658 903 1,270 1,310 1,060
21 973 1,040 1,310 2,360 4,240 4,770 1,300 657 939 1,270 1,300 1,060
22 972 1,030 1,320 2,430 4,370 4,650 1,240 667 961 1,270 1,290 1,060
23 962 998 1,350 2,510 4,450 4,480 1,190 691 969 1,270 1,260 1,060
24 959 984 1,370 2,540 4,510 4,300 1,120 705 979 1,290 1,270 1,060
25 957 982 1,390 2,550 4,630 4,150 1,060 709 1,010 1,310 1,280 1,040
26 955 983 1,400 2,510 4,740 4,050 1,010 712 1,010 1,310 1,290 1,030
27 957 995 1,420 2,470 4,830 3,960 972 713 1,010 1,320 1,280 1,020
28 957 998 1,470 2,420 4,890 3,810 949 717 1,010 1,320 1,270 1,030
29 955 1,050 1,550 2,420 4,970 3,670 923 728 1,030 1,330 1,240 1,040
30 971   1,500 2,460 5,140 3,480 908 738 1,050 1,320 1,220 1,030
31 978   1,500   5,280   895 749   1,330   1,010