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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

Updated September 18, 2020 - USGS water-resources monitoring activities were restored effective August 17, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)


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 -> 2020-09-30)

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 1,710 4,030 9,310 5,550 1,130 838 871 1,160 1,220
2 949 973 996 1,800 3,970 9,490 5,210 1,100 842 944 1,170 1,230
3 939 945 1,000 1,850 4,030 9,620 4,940 1,050 841 916 1,150 1,190
4 912 907 995 1,900 4,190 9,910 4,760 1,020 828 905 1,120 1,130
5 878 913 1,010 1,980 4,420 9,990 4,540 1,000 824 898 1,100 1,090
6 858 913 1,020 2,080 4,730 9,910 4,280 989 831 902 1,090 1,060
7 864 904 1,100 2,160 5,050 9,650 4,040 972 836 906 1,160 1,020
8 890 1,020 1,110 2,210 5,300 9,280 3,830 976 834 901 1,340 987
9 906 1,080 1,130 2,320 5,440 8,870 3,630 961 835 908 1,320 982
10 890 1,130 1,150 2,460 5,650 8,550 3,470 946 834 923 1,210 1,000
11 885 1,150 1,200 2,560 5,890 8,420 3,320 930 851 908 1,160 1,010
12 879 1,070 1,200 2,630 6,070 8,250 3,170 916 850 917 1,140 1,020
13 869 1,030 1,230 2,760 6,450 8,250 3,020 895 851 927 1,190 1,040
14 876 1,020 1,260 2,860 6,790 8,400 2,830 888 858 942 1,240 1,040
15 888 1,010 1,290 3,020 7,050 8,000 2,640 880 865 946 1,170 1,020
16 914 1,000 1,420 2,950 7,350 7,900 2,460 873 848 962 1,140 995
17 911 1,010 1,510 2,800 7,880 8,100 2,320 869 859 989 1,140 963
18 931 1,020 1,490 2,780 8,350 8,050 2,180 881 861 989 1,120 927
19 941 1,020 1,490 2,850 8,610 8,020 2,080 861 864 985 1,120 910
20 936 1,020 1,520 2,980 8,660 7,900 1,980 877 860 981 1,090 908
21 914 1,030 1,520 3,250 8,510 7,590 1,860 849 854 992 1,090 916
22 899 1,020 1,530 3,520 8,580 7,390 1,750 859 847 1,000 1,090 919
23 889 1,030 1,540 3,770 8,550 7,030 1,630 872 844 1,030 1,100 886
24 876 1,030 1,570 3,910 8,540 6,730 1,530 871 846 1,030 1,150 876
25 865 1,000 1,590 3,970 8,870 6,460 1,440 871 846 1,020 1,140 878
26 867 991 1,620 3,890 8,940 6,330 1,380 868 841 1,030 1,120 861
27 888 977 1,650 3,890 9,150 6,170 1,330 872 837 1,050 1,110 848
28 899 971 1,650 3,990 9,200 5,850 1,290 872 836 1,060 1,100 852
29 880 1,010 1,640 4,060 9,210 5,650 1,240 864 833 1,080 1,100 869
30 876   1,630 4,020 9,380 5,620 1,190 848 837 1,130 1,140 887
31 889   1,640   9,160   1,150 845   1,110   900