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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 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 -> 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
1 924 869 824 920 903 1,220 1,100 1,080 1,110 1,140 1,320 1,080
2 923 873 827 924 883 1,260 1,080 1,080 1,100 1,190 1,340 1,050
3 921 872 825 936 872 1,260 1,070 1,080 1,090 1,180 1,340 1,010
4 918 871 820 935 865 1,280 1,050 1,080 1,080 1,180 1,340 991
5 917 869 817 925 849 1,310 1,050 1,080 1,080 1,170 1,340 983
6 921 867 821 926 838 1,340 1,040 1,070 1,070 1,170 1,340 975
7 925 860 825 937 833 1,350 1,020 1,070 1,080 1,170 1,330 966
8 921 855 829 953 824 1,350 1,000 1,060 1,100 1,170 1,320 968
9 915 854 825 968 824 1,360 1,000 1,060 1,110 1,180 1,340 963
10 917 855 817 966 818 1,380 1,010 1,060 1,120 1,200 1,360 954
11 922 854 818 952 810 1,360 1,010 1,050 1,130 1,210 1,350 956
12 920 853 817 947 822 1,330 1,020 1,050 1,130 1,220 1,350 960
13 917 859 812 951 839 1,300 1,020 1,040 1,120 1,240 1,330 974
14 921 861 826 952 842 1,290 998 1,040 1,110 1,260 1,320 980
15 919 859 848 953 847 1,290 994 1,050 1,110 1,280 1,320 981
16 914 860 857 958 861 1,270 994 1,050 1,110 1,280 1,310 978
17 905 856 863 957 874 1,250 1,010 1,040 1,120 1,280 1,300 972
18 900 853 864 954 877 1,240 1,010 1,030 1,120 1,290 1,280 968
19 899 853 863 943 869 1,250 1,020 1,030 1,130 1,320 1,290 968
20 902 854 862 938 867 1,220 1,020 1,040 1,120 1,320 1,300 966
21 900 854 871 941 872 1,190 1,040 1,040 1,120 1,320 1,310 971
22 895 853 877 939 888 1,160 1,030 1,040 1,120 1,320 1,290 969
23 892 847 880 935 903 1,140 1,030 1,040 1,100 1,310 1,230 956
24 888 839 882 927 926 1,120 1,040 1,060 1,090 1,270 1,210 939
25 882 834 885 927 946 1,130 1,040 1,080 1,080 1,270 1,190 939
26 875 830 886 932 974 1,120 1,060 1,090 1,100 1,260 1,190 939
27 873 828 888 928 1,020 1,150 1,060 1,090 1,110 1,270 1,180 937
28 873 825 895 921 1,080 1,170 1,070 1,090 1,110 1,300 1,160 932
29 874 834 898 910 1,130 1,170 1,070 1,090 1,110 1,310 1,140 931
30 870   909 908 1,160 1,150 1,070 1,090 1,120 1,310 1,110 934
31 867   919   1,180   1,080 1,100   1,310   930