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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).


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 06038500 Madison River bl Hebgen Lake nr Grayling MT


Gallatin County, Montana
Hydrologic Unit Code 10020007
Latitude  44°51'59.01", Longitude 111°20'19.61" NAD83
Drainage area 931  square miles
Gage datum 6,448.47 feet above NGVD29
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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 1938-10-01 -> 2019-09-30)

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
1 926 868 821 918 890 1,220 1,120 1,070 1,110 1,140 1,330 1,090
2 924 872 825 921 870 1,250 1,090 1,080 1,100 1,190 1,350 1,050
3 922 871 823 933 859 1,250 1,070 1,070 1,090 1,190 1,350 1,010
4 919 871 818 932 853 1,260 1,050 1,080 1,080 1,180 1,350 993
5 918 868 815 920 837 1,290 1,050 1,080 1,080 1,170 1,350 985
6 922 866 819 920 826 1,330 1,040 1,070 1,080 1,170 1,350 977
7 926 859 823 931 822 1,340 1,020 1,060 1,080 1,180 1,340 968
8 922 853 827 947 813 1,340 1,000 1,060 1,100 1,170 1,330 970
9 916 851 823 961 813 1,350 1,000 1,050 1,120 1,190 1,350 964
10 918 852 815 959 806 1,380 1,010 1,050 1,120 1,210 1,370 955
11 923 852 815 943 799 1,350 1,010 1,050 1,130 1,220 1,370 958
12 921 852 814 938 811 1,330 1,020 1,040 1,130 1,230 1,360 962
13 919 858 808 942 828 1,300 1,020 1,030 1,120 1,250 1,340 976
14 923 860 821 943 832 1,300 998 1,040 1,120 1,270 1,330 983
15 920 858 844 944 837 1,290 995 1,050 1,120 1,290 1,330 983
16 915 859 853 949 852 1,270 994 1,040 1,110 1,280 1,320 981
17 906 854 859 947 866 1,260 1,010 1,040 1,120 1,290 1,310 974
18 900 851 861 944 869 1,250 1,010 1,020 1,120 1,300 1,290 970
19 900 850 859 932 861 1,250 1,020 1,030 1,130 1,330 1,300 971
20 903 851 858 926 860 1,230 1,010 1,040 1,120 1,330 1,310 968
21 901 853 867 929 865 1,200 1,030 1,040 1,120 1,330 1,320 973
22 895 851 874 927 881 1,170 1,030 1,040 1,120 1,330 1,300 971
23 893 845 878 922 896 1,150 1,030 1,040 1,100 1,310 1,240 958
24 889 837 880 914 920 1,140 1,030 1,060 1,090 1,280 1,220 940
25 882 832 882 915 942 1,140 1,040 1,080 1,090 1,280 1,200 940
26 875 828 882 920 970 1,130 1,060 1,090 1,100 1,270 1,200 940
27 873 825 885 916 1,020 1,160 1,060 1,100 1,120 1,280 1,190 938
28 873 822 891 908 1,080 1,180 1,070 1,090 1,120 1,310 1,160 933
29 874 832 894 898 1,120 1,180 1,060 1,090 1,120 1,320 1,140 932
30 870   906 896 1,160 1,160 1,070 1,100 1,130 1,320 1,120 935
31 867   916   1,170   1,070 1,100   1,320   932