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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 12352500 Bitterroot River near Missoula MT


Missoula County, Montana
Hydrologic Unit Code 17010205
Latitude  46°49'54.26", Longitude 114°03'17.50" NAD83
Drainage area 2,824  square miles
Gage datum 3,110 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 1897-10-01 -> 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
1 905 935 1,010 1,690 4,140 9,540 5,650 1,130 838 871 1,160 1,220
2 949 973 996 1,780 4,080 9,670 5,300 1,100 841 942 1,170 1,230
3 939 945 1,000 1,820 4,100 9,720 5,010 1,050 839 914 1,150 1,190
4 912 907 995 1,870 4,260 9,980 4,820 1,020 825 902 1,120 1,130
5 878 913 999 1,950 4,470 10,000 4,590 999 822 895 1,100 1,090
6 858 913 1,010 2,050 4,770 9,940 4,330 986 828 899 1,090 1,060
7 864 904 1,090 2,120 5,080 9,700 4,080 970 832 902 1,160 1,020
8 890 1,020 1,110 2,170 5,300 9,310 3,860 974 832 897 1,340 987
9 906 1,080 1,120 2,280 5,430 8,860 3,660 959 834 903 1,320 982
10 890 1,130 1,140 2,430 5,640 8,510 3,500 945 833 918 1,210 1,000
11 885 1,150 1,190 2,530 5,890 8,390 3,350 928 849 903 1,160 1,010
12 879 1,070 1,190 2,610 6,080 8,230 3,190 913 847 915 1,140 1,020
13 869 1,030 1,220 2,730 6,480 8,250 3,040 893 846 931 1,190 1,040
14 876 1,020 1,240 2,830 6,800 8,410 2,850 886 854 957 1,240 1,040
15 888 1,010 1,280 2,980 7,060 8,000 2,650 878 860 946 1,170 1,020
16 914 1,000 1,400 2,910 7,350 7,870 2,470 870 844 962 1,140 995
17 911 1,010 1,490 2,760 7,840 8,060 2,330 866 854 989 1,140 963
18 931 1,020 1,470 2,740 8,320 8,070 2,190 877 856 989 1,120 927
19 941 1,020 1,480 2,810 8,640 8,020 2,090 859 860 985 1,120 910
20 936 1,020 1,500 2,930 8,750 7,900 1,980 874 857 981 1,090 908
21 914 1,030 1,500 3,200 8,720 7,600 1,870 847 851 992 1,090 916
22 899 1,020 1,510 3,470 8,780 7,410 1,750 857 844 1,000 1,090 919
23 889 1,030 1,530 3,740 8,670 7,050 1,630 870 841 1,030 1,100 886
24 876 1,030 1,560 3,890 8,600 6,750 1,540 869 842 1,030 1,150 876
25 865 1,000 1,570 3,950 8,870 6,490 1,450 869 843 1,020 1,140 878
26 867 991 1,600 3,880 8,940 6,350 1,380 867 837 1,030 1,120 861
27 888 977 1,630 3,880 9,180 6,180 1,330 871 835 1,050 1,110 848
28 899 971 1,620 3,990 9,250 5,870 1,290 872 836 1,060 1,100 852
29 880 1,010 1,610 4,070 9,280 5,700 1,240 864 833 1,080 1,100 869
30 876   1,610 4,060 9,480 5,740 1,190 847 837 1,130 1,140 887
31 889   1,620   9,330   1,150 844   1,110   900