Precipitation annual maximum series (inches) Station ID: 24-8732 Station name: WEBSTER 3 E State: MT Latitude (decimal degrees): 46.0558 Longitude (decimal degrees): -104.1853 Elevation (feet): 3140 Duration: 1 day 06/10/1954 1.01 06/16/1957 1.30 06/30/1958 1.35 09/25/1959 1.15 06/15/1960 0.89 09/12/1961 0.87 07/07/1962 1.80 04/10/1963 1.30 06/09/1964 2.00 07/05/1965 1.29 07/27/1966 1.21 04/16/1967 2.25 06/05/1968 0.76 06/26/1969 1.11 07/22/1970 2.34 09/05/1971 3.11 10/02/1971 3.65 04/20/1973 2.02 06/09/1974 1.34 06/26/1975 1.67 06/23/1976 2.01 05/28/1977 0.99 10/07/1977 1.22 09/10/1979 1.07 08/17/1980 1.24 10/16/1980 2.01 05/16/1982 1.41 10/28/1982 1.58 06/10/1984 1.84 08/03/1985 0.79 05/09/1986 1.26 07/26/1987 1.71 06/14/1988 1.02 04/28/1989 2.08 06/14/1990 1.13 05/12/1991 1.30 04/19/1992 1.18 06/08/1993 2.31 06/09/1994 1.37 10/07/1994 2.13 10/05/1995 1.68 07/13/1997 1.48 09/13/1998 2.43 08/12/1999 2.26 07/06/2000 1.16 11/01/2000 2.29 07/28/2002 0.79 09/11/2003 1.69 08/04/2004 1.34 05/08/2005 1.82 10/05/2005 1.23 06/07/2007 2.47 05/02/2008 1.95 08/08/2009 0.95 12/24/2009 2.40 09/08/2013 2.68 08/23/2014 2.29 06/16/2015 1.21 07/28/2016 1.15 09/15/2017 1.12 05/29/2018 1.32 Duration: 2 days 06/10/1954 1.11 06/16/1957 1.60 06/30/1958 1.68 06/25/1959 1.27 06/15/1960 0.98 09/11/1961 1.24 07/07/1962 1.99 09/02/1963 2.01 06/08/1964 3.41 05/24/1965 1.42 07/26/1966 1.37 04/16/1967 2.48 08/23/1968 0.96 06/25/1969 1.90 07/22/1970 2.62 09/05/1971 3.43 10/02/1971 4.04 04/20/1973 2.37 07/03/1974 1.94 06/26/1975 1.84 06/23/1976 2.22 03/29/1977 1.49 10/07/1977 1.55 09/10/1979 1.59 08/16/1980 2.02 10/16/1980 2.22 05/15/1982 2.15 10/09/1982 1.89 06/10/1984 2.10 08/03/1985 0.95 05/08/1986 2.19 08/26/1987 1.89 06/14/1988 1.13 04/27/1989 2.60 06/14/1990 1.51 05/12/1991 1.54 04/18/1992 1.30 06/07/1993 2.83 09/15/1994 1.51 05/08/1995 2.35 09/18/1996 2.19 06/29/1997 1.87 09/12/1998 2.68 08/12/1999 2.84 07/06/2000 1.28 11/01/2000 3.77 04/18/2002 1.08 09/10/2003 1.87 08/03/2004 1.58 05/08/2005 2.06 04/17/2006 2.11 06/07/2007 2.73 05/01/2008 3.25 08/07/2009 1.51 12/24/2009 2.65 05/20/2011 3.00 09/08/2013 3.13 08/22/2014 3.21 08/18/2015 1.41 09/24/2016 1.45 09/15/2017 2.19 05/28/2018 1.53 Duration: 3 days 06/10/1954 1.14 06/16/1957 1.63 06/30/1958 2.00 06/24/1959 1.35 06/15/1960 1.00 09/10/1961 1.98 05/25/1962 2.03 09/01/1963 2.61 06/07/1964 3.48 05/24/1965 1.46 07/26/1966 1.40 09/13/1967 2.53 08/22/1968 1.26 06/25/1969 2.40 07/22/1970 2.67 06/03/1971 3.50 10/01/1971 4.12 04/19/1973 2.71 07/03/1974 1.98 06/26/1975 1.88 06/23/1976 2.32 06/09/1977 1.67 09/12/1978 1.60 09/10/1979 1.62 08/16/1980 2.06 10/16/1980 2.26 05/15/1982 2.37 10/09/1982 1.93 06/09/1984 2.22 08/03/1985 0.97 05/08/1986 2.38 07/26/1987 2.25 07/05/1988 1.15 04/26/1989 2.91 06/14/1990 1.88 05/12/1991 1.57 04/17/1992 1.33 06/06/1993 2.95 09/15/1994 1.54 05/07/1995 2.79 09/18/1996 2.23 06/28/1997 2.03 09/12/1998 2.73 08/12/1999 2.93 07/06/2000 1.30 11/01/2000 3.84 04/18/2002 1.10 09/09/2003 1.90 08/04/2004 2.18 05/31/2005 2.18 10/04/2005 2.35 06/07/2007 2.78 05/01/2008 3.31 10/10/2008 1.70 12/24/2009 2.70 05/20/2011 4.14 07/29/2013 3.24 08/22/2014 3.83 08/17/2015 1.52 09/23/2016 1.49 09/15/2017 2.37 05/28/2018 1.57 Duration: 4 days 06/10/1954 1.15 06/14/1957 1.73 06/30/1958 2.60 06/24/1959 1.36 06/12/1960 1.01 09/10/1961 2.00 07/07/1962 2.50 09/01/1963 2.64 06/08/1964 4.11 07/05/1965 1.62 06/21/1966 1.78 09/12/1967 3.21 06/05/1968 1.69 06/25/1969 2.52 07/22/1970 2.70 06/04/1971 3.53 10/01/1971 4.16 04/19/1973 2.77 07/03/1974 2.00 06/23/1975 1.90 06/23/1976 2.41 06/10/1977 2.10 10/07/1977 1.63 09/10/1979 1.64 08/16/1980 2.08 10/16/1980 2.28 05/15/1982 2.39 10/09/1982 1.95 06/08/1984 2.33 07/31/1985 0.98 05/06/1986 2.52 07/26/1987 2.27 07/05/1988 1.16 04/26/1989 2.97 06/14/1990 2.26 04/26/1991 1.58 04/17/1992 1.36 06/06/1993 3.04 07/02/1994 1.77 05/06/1995 2.98 09/18/1996 2.25 06/29/1997 2.32 09/12/1998 2.76 08/12/1999 2.96 07/06/2000 1.32 10/30/2000 4.03 04/18/2002 1.11 09/11/2003 2.11 08/03/2004 2.42 05/31/2005 2.37 10/04/2005 2.37 06/04/2007 2.81 05/01/2008 3.34 08/07/2009 1.99 12/24/2009 2.73 05/20/2011 4.60 07/29/2013 3.27 08/22/2014 3.87 06/13/2015 2.04 09/23/2016 1.50 09/15/2017 2.39 05/29/2018 1.66 Duration: 7 days 06/24/1954 1.17 06/16/1957 2.30 06/30/1958 2.86 06/24/1959 2.12 06/15/1960 1.75 09/10/1961 2.02 07/02/1962 3.03 09/01/1963 2.66 06/05/1964 4.41 06/29/1965 2.19 07/21/1966 2.46 09/12/1967 3.51 06/05/1968 1.99 06/23/1969 3.41 06/12/1970 2.83 05/30/1971 4.16 09/28/1971 4.43 04/19/1973 3.03 07/03/1974 2.02 05/06/1975 2.89 06/21/1976 2.50 06/09/1977 3.06 10/01/1977 2.45 09/10/1979 1.65 08/16/1980 2.40 10/16/1980 2.31 05/15/1982 3.61 10/06/1982 2.25 06/06/1984 3.03 07/30/1985 1.87 05/06/1986 2.80 07/20/1987 2.54 07/05/1988 1.17 04/26/1989 3.00 06/11/1990 2.70 06/23/1991 2.60 04/18/1992 1.72 06/02/1993 3.71 07/02/1994 2.57 05/07/1995 4.48 05/27/1996 2.28 06/24/1997 2.57 09/13/1998 2.84 08/12/1999 3.00 07/22/2000 1.38 10/29/2000 4.10 04/18/2002 1.12 09/09/2003 2.21 08/03/2004 2.44 05/08/2005 3.79 10/04/2005 2.54 06/01/2007 3.60 05/01/2008 3.38 08/07/2009 2.01 12/24/2009 2.75 05/19/2011 5.48 07/29/2013 4.68 08/22/2014 3.91 06/10/2015 2.39 07/26/2016 2.05 09/15/2017 2.44 05/28/2018 1.87 Duration: 10 days 06/02/1954 1.98 06/14/1957 2.43 06/29/1958 2.92 06/24/1959 2.16 06/12/1960 1.85 09/10/1961 2.41 07/07/1962 4.15 09/01/1963 2.71 06/08/1964 5.00 06/29/1965 2.52 07/21/1966 2.51 09/09/1967 3.58 06/05/1968 2.61 06/22/1969 3.57 06/12/1970 2.94 06/03/1971 4.51 09/28/1971 4.52 04/18/1973 3.14 05/13/1974 2.06 05/06/1975 2.95 06/14/1976 4.11 06/09/1977 3.64 09/30/1977 2.89 11/09/1978 1.70 08/16/1980 2.66 06/04/1981 2.50 05/15/1982 3.68 10/01/1982 2.51 06/08/1984 3.52 07/30/1985 1.96 05/06/1986 2.86 07/20/1987 3.08 06/30/1988 1.48 04/26/1989 3.31 06/11/1990 2.75 06/20/1991 3.10 04/17/1992 1.76 05/30/1993 3.92 07/02/1994 2.62 05/06/1995 5.01 05/23/1996 3.47 06/28/1997 3.29 09/12/1998 2.95 08/12/1999 3.06 07/21/2000 1.42 10/29/2000 4.18 07/20/2002 1.50 09/09/2003 2.25 07/28/2004 2.53 05/08/2005 3.87 10/04/2005 2.61 05/29/2007 4.35 05/01/2008 4.28 08/07/2009 2.16 12/24/2009 3.01 05/18/2011 6.13 07/29/2013 4.78 08/15/2014 4.13 06/11/2015 3.07 09/24/2016 2.17 09/15/2017 2.96 06/16/2018 2.09 Duration: 20 days 06/10/1954 2.95 06/14/1957 3.26 06/30/1958 3.35 06/14/1959 2.61 06/06/1960 2.37 09/10/1961 2.96 07/02/1962 5.59 08/17/1963 3.69 06/05/1964 5.73 06/24/1965 3.02 06/20/1966 3.84 04/13/1967 5.26 05/28/1968 4.08 06/22/1969 4.06 05/28/1970 4.41 05/30/1971 7.02 09/17/1971 5.29 04/18/1973 3.60 05/13/1974 3.84 04/24/1975 4.72 06/06/1976 5.51 05/28/1977 4.69 09/21/1977 4.29 08/26/1979 2.14 08/12/1980 3.22 06/01/1981 3.26 05/10/1982 5.68 10/09/1982 3.47 06/06/1984 4.74 07/30/1985 1.96 04/25/1986 3.36 07/09/1987 4.54 06/30/1988 1.48 04/26/1989 3.45 06/11/1990 3.04 04/26/1991 3.33 06/14/1992 2.37 06/29/1993 4.90 07/02/1994 3.09 05/09/1995 6.08 05/24/1996 4.17 06/24/1997 5.31 09/12/1998 2.95 05/04/1999 3.40 07/06/2000 2.35 05/30/2001 4.55 07/18/2002 1.70 06/06/2003 2.76 07/27/2004 2.72 05/31/2005 4.35 03/31/2006 3.72 05/20/2007 5.04 05/01/2008 4.33 06/06/2009 2.61 04/29/2010 4.09 05/11/2011 7.79 05/16/2013 7.73 08/15/2014 4.51 06/02/2015 4.53 09/06/2016 2.99 09/15/2017 3.33 06/16/2018 3.79 Duration: 30 days 06/02/1954 3.92 06/07/1957 3.56 06/04/1958 5.09 06/17/1959 3.08 05/24/1960 3.50 08/26/1961 3.01 05/13/1962 7.44 05/28/1963 3.89 06/07/1964 7.71 06/22/1965 3.19 07/01/1966 4.30 04/16/1967 5.81 05/28/1968 5.17 06/22/1969 6.20 05/21/1970 5.32 09/04/1971 8.51 05/28/1972 5.51 05/26/1973 5.50 05/13/1974 5.21 04/24/1975 5.90 06/05/1976 5.79 05/27/1977 5.37 05/04/1978 5.59 08/17/1979 3.08 08/16/1980 3.34 05/22/1981 4.29 05/15/1982 8.15 10/01/1982 4.09 05/26/1984 5.38 07/30/1985 2.54 09/01/1986 3.99 07/06/1987 4.89 06/14/1988 2.50 04/03/1989 3.72 05/20/1990 3.58 05/31/1991 3.96 06/14/1992 3.60 06/29/1993 6.95 06/08/1994 5.19 04/29/1995 7.49 05/04/1996 5.70 06/14/1997 6.47 09/12/1998 5.81 04/20/1999 4.93 07/06/2000 3.35 06/04/2001 5.19 07/18/2002 1.87 05/27/2003 4.00 07/08/2004 2.99 05/08/2005 6.52 03/20/2006 3.81 05/11/2007 5.44 05/01/2008 5.29 06/06/2009 3.95 04/29/2010 5.66 05/01/2011 9.27 05/16/2013 8.94 08/05/2014 4.75 05/24/2015 5.39 08/27/2016 4.42 09/15/2017 3.33 05/28/2018 4.28 Duration: 45 days 05/23/1954 4.48 05/20/1957 4.65 05/31/1958 5.82 05/26/1959 3.61 05/24/1960 3.70 08/10/1961 4.23 06/02/1962 8.28 06/02/1963 5.62 05/28/1964 8.58 05/22/1965 5.03 06/20/1966 6.37 04/13/1967 6.57 05/08/1968 5.66 06/07/1969 6.49 05/08/1970 7.91 05/18/1971 8.99 09/05/1971 9.55 04/19/1973 6.37 05/21/1974 6.63 03/28/1975 6.37 05/12/1976 6.75 05/27/1977 5.79 05/04/1978 6.96 08/17/1979 3.08 07/18/1980 3.69 06/01/1981 5.63 05/11/1982 8.88 09/14/1982 5.26 05/26/1984 6.49 07/30/1985 3.25 08/24/1986 5.05 07/18/1987 6.51 05/31/1988 2.85 03/24/1989 4.21 05/16/1990 3.98 05/12/1991 5.34 05/31/1992 3.95 06/02/1993 8.58 06/01/1994 5.90 04/29/1995 8.45 05/02/1996 6.75 06/17/1997 7.57 05/31/1998 5.81 09/12/1998 6.28 06/14/2000 3.85 06/14/2001 7.26 07/18/2002 2.84 05/04/2003 4.79 06/24/2004 4.31 05/08/2005 8.53 03/10/2006 4.20 04/30/2007 7.78 05/01/2008 7.30 05/25/2009 5.14 05/09/2010 6.73 04/18/2011 12.11 05/10/2013 9.85 04/28/2014 5.85 05/25/2015 7.05 08/20/2016 5.41 08/06/2017 3.54 05/28/2018 6.29 Duration: 60 days 06/02/1954 5.12 05/09/1957 5.10 06/02/1958 6.49 05/10/1959 3.83 04/24/1960 4.54 07/26/1961 4.40 05/18/1962 12.52 04/10/1963 6.47 05/03/1964 9.06 05/22/1965 5.84 06/16/1966 7.32 04/16/1967 9.72 05/08/1968 6.37 05/21/1969 7.42 04/18/1970 8.98 04/19/1971 10.63 08/31/1971 9.88 04/20/1973 7.42 05/10/1974 8.50 04/28/1975 9.10 04/28/1976 7.46 08/14/1977 6.56 05/04/1978 8.81 07/23/1979 4.07 07/18/1980 3.85 06/07/1981 7.06 05/10/1982 9.71 08/31/1982 5.76 06/06/1984 7.00 07/30/1985 4.49 04/25/1986 5.57 07/09/1987 8.53 05/07/1988 3.13 04/27/1989 5.52 04/25/1990 4.72 04/26/1991 7.13 06/14/1992 4.90 05/30/1993 11.59 05/28/1994 6.11 04/15/1995 8.87 05/05/1996 8.15 05/25/1997 8.85 06/06/1998 5.81 09/12/1998 7.20 06/01/2000 4.51 05/30/2001 9.42 04/18/2002 3.10 04/30/2003 6.55 06/12/2004 4.50 05/08/2005 10.66 03/31/2006 5.10 04/20/2007 8.29 05/01/2008 8.54 05/08/2009 5.72 04/29/2010 9.09 04/15/2011 12.82 04/14/2013 10.31 04/26/2014 7.07 05/31/2015 7.81 07/28/2016 7.28 08/06/2017 4.50 05/08/2018 7.22