Precipitation annual maximum series (inches) Station ID: 24-9900 Station name: ZORTMAN State: MT Latitude (decimal degrees): 47.9186 Longitude (decimal degrees): -108.5244 Elevation (feet): 4035 Duration: 15 minutes 09/07/1978 1.00 10/01/1978 0.10 05/24/1980 0.40 07/17/1981 0.90 07/01/1982 0.20 05/13/1985 0.50 06/29/1986 0.60 07/29/1987 0.90 05/08/1989 0.50 05/24/1990 0.30 06/28/1993 0.80 05/27/1994 0.40 11/07/1995 0.10 06/05/1997 0.40 07/12/2001 0.70 08/05/2002 0.70 08/06/2003 0.30 04/09/2005 0.40 06/02/2008 0.20 06/18/2010 0.20 07/14/2011 0.32 07/17/2012 0.40 06/24/2013 1.10 08/15/2014 0.27 07/05/2015 0.42 04/15/2016 0.32 10/04/2016 0.38 06/07/2018 0.35 06/27/2019 0.38 07/06/2020 0.64 Duration: 30 minutes 09/07/1978 1.10 05/06/1979 0.20 05/24/1980 0.50 07/17/1981 1.00 07/01/1982 0.40 08/02/1985 0.60 06/29/1986 0.70 07/29/1987 1.20 05/08/1989 0.60 05/24/1990 0.40 06/28/1993 1.10 05/27/1994 0.60 06/11/1996 0.20 06/05/1997 0.60 07/12/2001 1.10 08/05/2002 1.30 08/06/2003 0.40 04/09/2005 0.50 06/02/2008 0.30 06/18/2010 0.30 07/14/2011 0.54 07/17/2012 0.60 06/24/2013 1.70 08/15/2014 0.34 08/05/2015 0.49 04/15/2016 0.35 10/04/2016 0.42 06/07/2018 0.39 06/27/2019 0.60 07/06/2020 0.87 Duration: 45 minutes 09/07/1978 1.20 04/07/1979 0.20 05/24/1980 0.60 07/17/1981 1.02 07/01/1982 0.60 08/02/1985 0.70 05/04/1986 0.71 07/29/1987 1.22 05/08/1989 0.61 05/24/1990 0.50 06/29/1991 1.10 06/28/1993 1.12 05/27/1994 0.80 06/14/1996 0.30 06/05/1997 0.70 07/12/2001 1.30 08/05/2002 1.40 08/06/2003 0.41 04/09/2005 0.51 06/02/2008 0.40 06/18/2010 0.40 07/14/2011 0.57 07/17/2012 0.61 06/24/2013 2.00 08/15/2014 0.38 08/05/2015 0.63 07/11/2016 0.38 10/04/2016 0.42 06/07/2018 0.42 06/27/2019 0.69 07/06/2020 0.89 Duration: 1 hour 05/05/1968 0.26 07/17/1969 0.60 09/08/1970 0.40 09/07/1978 1.06 05/06/1979 0.27 05/24/1980 0.53 07/17/1981 0.88 07/01/1982 0.71 08/02/1985 0.71 05/04/1986 0.62 07/29/1987 1.06 07/03/1988 0.60 05/08/1989 0.53 05/24/1990 0.44 06/29/1991 1.81 06/28/1993 1.06 05/27/1994 0.71 07/13/1995 0.60 06/14/1996 0.27 06/05/1997 0.71 07/04/1998 0.60 04/01/1999 0.30 07/31/2000 1.93 07/12/2001 1.15 08/05/2002 1.24 08/06/2003 0.35 07/03/2004 0.50 04/09/2005 0.44 06/15/2006 0.90 06/16/2007 0.70 06/10/2008 0.44 06/15/2009 0.60 06/18/2010 0.53 07/14/2011 0.51 07/17/2012 0.53 06/24/2013 1.77 08/15/2014 0.38 08/05/2015 0.61 07/11/2016 0.39 06/08/2017 0.40 06/07/2018 0.37 06/27/2019 0.64 07/06/2020 0.78 Duration: 2 hours 08/15/1968 0.42 07/17/1969 0.65 09/08/1970 0.68 09/07/1978 1.14 05/06/1979 0.48 06/27/1980 0.76 07/17/1981 0.95 07/01/1982 0.95 08/02/1985 0.76 05/04/1986 0.86 07/29/1987 1.14 05/07/1988 1.00 05/08/1989 0.57 05/24/1990 0.48 06/29/1991 1.97 06/28/1993 1.14 05/27/1994 1.05 07/13/1995 1.10 03/09/1996 0.43 06/05/1997 0.95 08/02/1998 0.77 05/12/1999 0.60 07/31/2000 2.08 07/12/2001 1.33 08/05/2002 1.33 09/12/2003 0.41 05/13/2004 0.54 04/09/2005 0.48 06/15/2006 1.00 06/16/2007 0.80 06/10/2008 0.86 06/15/2009 0.65 06/18/2010 0.86 05/20/2011 1.02 07/17/2012 0.57 06/24/2013 1.90 08/24/2014 0.54 08/05/2015 0.87 07/11/2016 0.66 10/03/2016 0.70 05/17/2018 0.43 06/21/2019 0.99 07/06/2020 0.86 Duration: 3 hours 08/15/1968 0.55 06/25/1969 0.80 09/08/1970 0.80 09/07/1978 1.17 05/06/1979 0.58 06/27/1980 0.87 07/17/1981 0.97 07/01/1982 0.97 05/13/1985 0.78 09/25/1986 1.26 07/29/1987 1.20 05/07/1988 1.46 08/24/1989 0.68 05/24/1990 0.58 06/29/1991 2.03 06/28/1993 1.17 05/27/1994 1.07 07/13/1995 1.20 03/09/1996 0.53 06/05/1997 1.07 08/02/1998 0.97 05/12/1999 0.70 07/31/2000 2.12 07/12/2001 1.36 08/05/2002 1.36 10/07/2002 0.49 05/13/2004 0.60 04/09/2005 0.68 06/15/2006 1.02 06/06/2007 0.82 06/12/2008 1.07 10/12/2008 0.70 06/18/2010 1.07 05/20/2011 1.20 10/07/2011 0.72 06/24/2013 2.04 08/24/2014 0.79 08/05/2015 0.97 07/11/2016 0.94 10/03/2016 0.91 05/17/2018 0.52 06/21/2019 1.40 06/06/2020 0.89 Duration: 6 hours 09/13/1967 1.65 08/15/1968 0.90 06/26/1969 1.44 01/27/1970 1.09 05/06/1979 0.59 06/27/1980 0.98 10/22/1980 1.08 07/01/1982 0.98 05/13/1985 0.98 09/25/1986 2.25 07/29/1987 1.22 05/07/1988 2.45 05/25/1989 0.78 05/24/1990 0.88 06/29/1991 2.07 06/28/1993 1.18 05/27/1994 1.08 07/13/1995 1.21 03/09/1996 0.57 05/25/1997 1.08 06/24/1998 1.57 05/12/1999 0.71 07/31/2000 2.14 07/12/2001 1.40 08/05/2002 1.39 10/07/2002 0.59 10/28/2003 0.70 04/09/2005 0.98 04/06/2006 1.10 06/06/2007 1.40 06/12/2008 1.86 11/12/2008 1.00 05/24/2010 1.47 05/20/2011 1.69 10/07/2011 1.27 06/24/2013 2.25 08/24/2014 1.42 07/28/2015 1.22 07/11/2016 1.57 10/03/2016 1.37 09/20/2018 0.64 06/21/2019 2.51 06/06/2020 1.00 Duration: 12 hours 09/12/1967 2.78 08/15/1968 1.55 06/26/1969 2.57 01/27/1970 1.26 04/22/1979 0.69 06/27/1980 1.09 10/22/1980 1.68 05/27/1982 1.09 05/12/1985 1.29 09/25/1986 4.16 07/29/1987 1.29 05/07/1988 4.16 05/24/1989 1.29 05/24/1990 1.29 06/29/1991 2.11 07/03/1993 1.49 06/06/1994 1.68 07/13/1995 1.29 05/22/1996 0.79 05/25/1997 2.08 06/27/1998 2.46 08/28/1999 0.89 07/31/2000 2.14 06/04/2001 1.43 08/05/2002 1.42 05/09/2003 0.79 10/28/2003 0.79 04/09/2005 1.68 04/06/2006 1.78 05/24/2007 1.98 06/12/2008 2.48 11/12/2008 1.09 05/24/2010 2.08 05/21/2011 2.87 10/07/2011 1.94 06/02/2013 2.48 08/23/2014 2.32 07/27/2015 1.63 07/11/2016 2.30 10/03/2016 1.97 08/27/2018 0.95 06/21/2019 4.33 09/06/2020 1.19 Duration: 1 day 02/27/1897 1.00 12/01/1897 1.30 04/26/1901 1.24 05/19/1902 1.20 07/02/1903 1.44 03/24/1904 1.50 09/13/1914 1.03 06/12/1966 1.70 09/12/1967 3.09 08/14/1968 1.92 06/25/1969 3.93 04/28/1970 2.41 06/07/1971 0.67 06/08/1972 3.40 06/19/1973 2.70 06/19/1975 3.83 06/22/1976 1.88 05/15/1977 1.67 09/11/1978 3.16 04/22/1979 0.68 04/01/1980 1.60 10/22/1980 1.71 08/02/1985 1.62 09/24/1986 4.70 05/06/1988 5.04 08/25/1989 1.80 05/24/1990 1.11 04/27/1991 1.97 06/30/1992 1.32 07/17/1993 1.79 06/06/1994 1.54 07/12/1995 1.20 05/25/1997 3.67 08/30/1999 1.13 07/31/2000 1.66 06/04/2001 1.79 07/08/2002 1.70 05/10/2003 0.95 12/26/2003 1.20 04/09/2005 2.22 04/06/2006 1.62 05/24/2007 2.56 06/12/2008 2.56 11/13/2008 1.16 05/24/2010 2.48 05/20/2011 4.38 10/06/2011 2.03 06/01/2013 3.08 08/23/2014 3.63 05/17/2015 2.54 07/10/2016 2.17 10/04/2016 3.20 08/27/2018 1.06 06/21/2019 5.55 09/06/2020 1.20 06/10/2021 0.88 06/20/2022 1.17 05/06/2023 1.61 Duration: 2 days 02/27/1897 1.10 11/30/1897 1.92 04/26/1901 2.14 05/21/1902 1.76 07/02/1903 1.88 03/24/1904 3.00 06/25/1914 1.91 08/20/1966 1.88 09/12/1967 5.51 08/15/1968 3.00 06/25/1969 6.47 04/27/1970 3.66 06/06/1971 1.19 06/08/1972 4.58 06/19/1973 2.98 06/18/1975 4.23 07/08/1976 2.20 05/15/1977 1.85 09/11/1978 4.53 04/22/1979 1.13 03/31/1980 2.80 05/06/1981 2.08 08/01/1985 2.26 09/24/1986 5.28 05/06/1988 5.66 08/24/1989 2.70 05/24/1990 1.32 06/05/1991 2.52 06/15/1992 2.46 07/18/1993 3.41 06/06/1994 1.70 07/13/1995 1.59 05/24/1997 4.95 06/07/1999 1.48 07/31/2000 1.83 06/03/2001 2.83 06/10/2002 2.43 05/08/2003 1.06 12/26/2003 1.70 04/09/2005 2.64 04/06/2006 1.96 05/23/2007 3.22 06/10/2008 3.87 07/06/2009 1.44 05/25/2010 3.21 05/20/2011 7.92 10/07/2011 2.50 05/30/2013 4.53 08/23/2014 5.66 05/16/2015 2.90 05/10/2016 3.65 10/02/2016 4.31 08/26/2018 1.67 06/20/2019 6.89 06/06/2020 1.58 06/10/2021 1.25 06/19/2022 1.75 05/06/2023 2.02 Duration: 3 days 02/27/1897 1.12 11/30/1897 1.96 04/26/1901 2.18 05/19/1902 2.23 05/21/1903 2.34 03/24/1904 3.06 06/24/1914 1.95 08/19/1966 2.01 09/12/1967 6.66 08/15/1968 3.09 06/25/1969 7.60 04/27/1970 3.73 06/06/1971 1.21 06/08/1972 4.77 06/17/1973 3.60 06/17/1975 4.31 07/08/1976 2.24 05/15/1977 3.02 09/11/1978 4.66 04/23/1979 1.28 03/31/1980 3.26 05/06/1981 2.12 08/01/1985 2.31 09/24/1986 5.38 05/06/1988 5.77 08/23/1989 2.97 05/24/1990 1.35 04/25/1991 2.69 06/14/1992 2.73 07/18/1993 3.51 06/04/1994 1.83 07/10/1995 2.31 05/23/1997 6.22 05/10/1999 1.89 07/31/2000 1.87 06/04/2001 3.55 06/09/2002 3.07 05/08/2003 1.19 12/26/2003 1.73 04/07/2005 2.79 09/15/2006 2.12 05/22/2007 3.65 05/21/2008 4.71 07/07/2009 1.57 04/29/2010 4.15 05/20/2011 8.38 10/07/2011 2.57 05/30/2013 5.48 08/23/2014 6.64 05/16/2015 2.99 05/09/2016 3.76 10/03/2016 5.23 08/26/2018 1.83 06/21/2019 7.39 06/06/2020 1.63 08/19/2021 1.33 06/19/2022 2.02 05/06/2023 2.27 Duration: 4 days 02/27/1897 1.14 11/30/1897 1.98 04/26/1901 2.20 05/19/1902 3.19 05/21/1903 2.36 03/24/1904 3.09 06/25/1914 2.25 08/19/1966 2.03 09/12/1967 6.79 08/15/1968 3.15 06/25/1969 8.07 04/27/1970 3.77 06/04/1971 1.30 06/08/1972 4.82 06/17/1973 3.63 06/16/1975 4.81 07/08/1976 2.30 05/15/1977 3.05 09/11/1978 4.75 04/23/1979 1.31 03/31/1980 3.32 05/05/1981 2.23 07/31/1985 2.62 09/24/1986 5.44 05/06/1988 5.83 08/24/1989 3.01 04/26/1990 1.55 04/25/1991 2.82 06/13/1992 2.86 07/18/1993 4.16 06/03/1994 2.04 07/11/1995 2.70 05/23/1997 7.12 05/09/1999 1.99 07/31/2000 1.89 06/04/2001 3.62 06/08/2002 3.18 06/02/2003 1.26 12/26/2003 1.84 04/07/2005 2.82 09/15/2006 2.23 05/22/2007 3.98 05/21/2008 6.12 07/07/2009 1.60 04/29/2010 4.33 05/20/2011 8.84 10/07/2011 2.62 05/29/2013 7.28 08/22/2014 6.77 05/14/2015 3.06 05/10/2016 3.83 10/02/2016 5.29 08/26/2018 1.87 06/20/2019 7.54 06/06/2020 1.67 08/19/2021 1.54 07/07/2022 2.54 05/06/2023 2.32 Duration: 7 days 02/27/1897 2.00 06/01/1898 2.10 04/26/1901 2.26 05/16/1902 3.70 05/17/1903 3.74 03/20/1904 3.20 06/20/1914 2.62 08/19/1966 2.05 09/10/1967 6.93 08/15/1968 3.21 06/23/1969 8.57 04/27/1970 3.81 06/01/1971 1.48 06/08/1972 4.86 06/13/1973 4.99 06/13/1975 5.29 07/08/1976 3.43 05/15/1977 3.19 09/07/1978 5.88 04/17/1979 1.57 03/31/1980 3.39 05/16/1981 2.58 08/11/1985 3.44 09/18/1986 6.96 05/06/1988 5.98 08/24/1989 3.60 12/09/1989 2.35 06/24/1991 3.09 06/12/1992 3.47 07/18/1993 4.92 06/02/1994 2.58 07/08/1995 2.82 05/22/1996 2.62 05/20/1997 7.82 06/01/1999 2.93 07/03/2000 1.99 06/04/2001 4.20 08/05/2002 3.43 05/04/2003 2.06 10/28/2003 2.06 04/07/2005 2.85 09/16/2006 2.75 05/20/2007 4.94 05/22/2008 6.96 07/06/2009 1.66 04/29/2010 5.61 05/18/2011 9.32 05/22/2012 2.68 05/27/2013 9.22 08/23/2014 6.90 05/14/2015 3.15 05/06/2016 3.91 10/02/2016 5.40 08/26/2018 1.90 06/21/2019 8.32 06/01/2020 1.83 08/18/2021 1.56 06/15/2022 3.74 05/06/2023 2.51 Duration: 10 days 02/27/1897 2.04 05/28/1898 2.14 04/26/1901 3.21 05/16/1902 3.90 05/17/1903 3.81 03/20/1904 3.26 06/20/1914 3.00 06/05/1966 2.17 09/10/1967 7.14 08/15/1968 3.31 06/20/1969 9.11 04/20/1970 3.90 05/30/1971 2.02 06/08/1972 4.96 06/13/1973 5.09 06/13/1975 5.40 06/14/1976 4.24 05/08/1977 3.37 09/06/1978 6.06 04/19/1979 1.63 03/26/1980 3.49 05/08/1981 3.21 08/07/1985 3.54 09/17/1986 8.30 05/07/1988 6.15 08/23/1989 3.87 05/14/1990 2.50 06/20/1991 4.15 06/12/1992 3.54 07/12/1993 5.94 05/30/1994 2.73 07/05/1995 3.15 05/22/1996 2.78 05/17/1997 7.98 06/26/1998 4.83 06/01/1999 3.41 04/23/2000 2.35 06/05/2001 5.31 08/05/2002 3.60 05/04/2003 2.11 10/29/2003 2.12 06/04/2005 3.36 09/15/2006 3.54 05/21/2007 6.05 05/22/2008 7.17 07/07/2009 2.07 04/29/2010 5.85 05/21/2011 11.04 04/28/2012 3.07 05/27/2013 9.65 08/16/2014 7.28 05/10/2015 3.25 05/06/2016 4.03 10/02/2016 5.56 08/20/2018 2.14 06/22/2019 8.99 06/29/2020 2.15 08/18/2021 1.72 06/14/2022 3.81 05/26/2023 3.13 Duration: 20 days 02/20/1897 2.80 11/26/1897 3.02 04/15/1901 3.57 05/16/1902 5.88 06/18/1903 5.06 05/19/1904 3.84 05/12/1906 8.38 06/10/1914 4.74 06/10/1966 2.74 09/10/1967 7.21 08/15/1968 3.67 06/20/1969 10.01 04/26/1970 4.97 05/20/1971 2.66 05/21/1972 7.11 06/13/1973 6.48 06/13/1975 5.99 06/20/1976 5.22 05/02/1977 4.02 09/06/1978 6.43 04/18/1979 2.87 03/22/1980 3.82 05/05/1981 4.75 05/19/1982 5.57 07/30/1985 6.16 09/07/1986 9.10 04/26/1988 6.45 04/25/1989 5.64 05/14/1990 3.84 06/05/1991 5.46 06/12/1992 5.54 07/04/1993 9.12 05/20/1994 4.70 06/27/1995 4.28 05/04/1996 3.68 05/20/1997 9.67 06/10/1998 7.13 04/28/1999 3.65 07/02/2000 3.61 05/29/2001 6.82 06/08/2002 5.55 05/26/2003 2.62 05/23/2004 3.38 05/31/2005 4.25 05/27/2006 3.95 05/20/2007 8.32 05/25/2008 10.21 06/07/2009 2.93 04/26/2010 6.05 05/20/2011 15.96 05/26/2012 4.52 05/24/2013 11.62 08/23/2014 8.04 05/14/2015 3.86 05/09/2016 5.69 09/21/2016 8.36 09/14/2018 3.16 06/21/2019 10.97 06/19/2020 2.80 05/23/2021 2.28 06/05/2022 5.63 04/18/2023 3.54 Duration: 30 days 02/12/1897 3.50 11/19/1897 3.43 05/20/1901 4.96 05/19/1902 6.56 06/08/1903 5.37 05/19/1904 4.34 05/02/1906 9.27 06/04/1914 5.83 06/05/1966 4.08 09/10/1967 7.56 06/04/1968 4.15 06/20/1969 11.54 04/14/1970 6.33 05/17/1971 3.66 05/12/1972 7.32 06/02/1973 7.00 06/13/1975 6.99 06/14/1976 8.56 04/30/1977 4.34 05/05/1978 7.08 04/18/1979 3.03 03/13/1980 3.92 05/05/1981 5.65 05/19/1982 7.08 07/30/1985 6.53 09/06/1986 9.30 04/26/1988 6.54 04/25/1989 7.42 04/25/1990 4.76 06/02/1991 7.94 06/12/1992 7.81 06/29/1993 11.66 05/17/1994 6.02 06/16/1995 5.87 05/02/1996 5.13 05/20/1997 10.30 05/31/1998 8.54 05/10/1999 6.19 07/03/2000 5.32 05/21/2001 7.43 06/09/2002 8.00 04/14/2003 3.88 05/19/2004 4.81 05/31/2005 5.50 09/15/2006 4.83 05/20/2007 10.90 05/22/2008 15.13 06/16/2009 4.00 04/29/2010 10.27 05/10/2011 17.89 04/28/2012 5.92 05/27/2013 14.94 08/15/2014 9.14 04/23/2015 4.69 04/14/2016 7.80 09/06/2016 9.00 09/12/2018 3.49 06/15/2019 12.09 06/07/2020 3.62 05/20/2021 2.96 06/14/2022 6.91 05/06/2023 6.04 Duration: 45 days 02/20/1897 4.30 11/19/1897 3.73 04/26/1901 6.68 05/17/1902 8.12 06/21/1903 7.09 05/19/1904 4.98 05/23/1914 7.29 05/22/1966 4.92 09/10/1967 7.78 08/15/1968 5.75 06/09/1969 11.67 04/14/1970 7.11 05/17/1971 4.50 05/11/1972 8.04 05/21/1973 8.21 06/18/1975 8.52 06/01/1976 9.12 05/02/1977 5.18 04/17/1978 8.57 03/27/1979 3.99 05/24/1980 4.70 05/05/1981 8.06 05/19/1982 8.88 07/30/1985 8.45 04/26/1986 10.00 05/07/1988 7.24 04/21/1989 8.85 04/22/1990 6.53 05/21/1991 9.35 06/12/1992 8.55 06/11/1993 13.65 04/25/1994 6.72 06/01/1995 7.74 05/02/1996 5.89 05/21/1997 13.16 05/21/1998 10.59 04/28/1999 7.17 06/20/2000 5.69 06/04/2001 9.73 06/08/2002 8.77 05/04/2003 4.98 05/22/2004 6.06 05/17/2005 6.98 09/15/2006 5.22 05/13/2007 11.87 05/02/2008 17.11 06/01/2009 5.51 04/29/2010 10.96 04/27/2011 19.18 04/28/2012 8.73 05/14/2013 16.76 08/22/2014 10.13 04/23/2015 5.55 04/14/2016 9.73 08/27/2016 10.24 08/20/2018 5.50 06/07/2019 12.64 06/07/2020 5.28 05/03/2021 3.89 05/28/2022 9.04 04/20/2023 6.80 Duration: 60 days 02/12/1897 5.60 05/28/1898 4.56 04/15/1901 8.38 04/28/1902 9.13 05/17/1903 9.60 05/19/1904 5.30 05/05/1914 7.99 05/08/1966 5.36 09/10/1967 7.78 05/06/1968 6.61 05/30/1969 12.42 04/20/1970 7.67 04/17/1971 4.69 05/27/1972 10.17 05/21/1973 8.21 04/26/1975 11.22 06/14/1976 9.89 05/15/1977 5.45 05/05/1978 9.51 03/27/1979 4.25 06/18/1980 6.10 04/30/1981 9.48 05/07/1982 9.81 07/30/1985 10.70 05/05/1986 11.90 05/07/1988 8.69 04/23/1989 11.23 04/22/1990 7.68 05/05/1991 11.37 06/12/1992 9.30 05/29/1993 16.37 04/19/1994 7.68 06/01/1995 8.25 05/02/1996 7.16 05/21/1997 14.54 05/14/1998 11.21 04/10/1999 9.14 06/04/2000 7.38 06/04/2001 11.02 06/09/2002 11.11 04/14/2003 6.47 05/19/2004 6.88 05/13/2005 7.23 04/17/2006 5.56 05/11/2007 12.74 05/02/2008 17.54 06/21/2009 5.98 04/26/2010 14.06 04/15/2011 21.02 04/13/2012 9.83 05/17/2013 18.17 08/05/2014 11.35 07/21/2015 6.45 04/14/2016 11.46 04/25/2017 10.34 08/20/2018 5.78 05/16/2019 14.56 05/10/2020 6.20 04/13/2021 5.12 05/13/2022 10.55 05/06/2023 8.94