Precipitation annual maximum series (inches) Station ID: 86-0360 Station name: Boulder Mountain State: MT Latitude (decimal degrees): 46.5596 Longitude (decimal degrees): -111.2897 Elevation (feet): 7950 Duration: 1 day 06/18/1979 2.60 05/25/1980 3.50 05/10/1981 2.40 09/13/1982 2.40 09/18/1983 1.70 08/31/1984 1.30 09/16/1985 2.00 07/04/1986 2.40 07/10/1987 1.80 11/13/1987 1.40 04/26/1989 1.00 03/05/1990 1.10 11/25/1990 1.40 05/26/1992 1.30 08/21/1993 2.20 06/13/1994 1.20 05/12/1995 1.40 11/28/1995 1.40 03/11/1997 1.70 05/14/1998 1.20 05/30/1999 1.10 06/12/2000 1.60 04/20/2001 1.30 06/22/2002 1.40 04/23/2003 0.90 06/10/2004 2.00 05/10/2005 2.30 12/28/2005 2.00 09/22/2007 1.50 05/22/2008 1.40 03/29/2009 1.40 04/29/2010 2.00 06/02/2011 1.60 01/18/2012 1.20 09/25/2013 1.79 08/22/2014 2.31 07/27/2015 1.45 07/10/2016 1.71 05/17/2017 1.88 10/31/2017 1.79 03/27/2019 1.11 06/28/2020 1.37 08/02/2021 1.50 09/22/2022 1.60 06/02/2023 1.60 Duration: 2 days 06/17/1979 3.60 05/24/1980 5.20 05/10/1981 3.00 09/12/1982 4.40 07/01/1983 2.00 06/10/1984 2.20 09/16/1985 2.80 07/03/1986 2.70 07/09/1987 2.20 11/12/1987 1.80 04/26/1989 1.80 05/24/1990 2.00 05/09/1991 1.55 06/15/1992 2.40 08/21/1993 2.43 04/03/1994 2.00 04/07/1995 1.90 11/27/1995 1.70 03/10/1997 1.88 07/27/1998 1.60 06/02/1999 1.60 06/11/2000 2.00 04/20/2001 1.70 04/17/2002 1.80 04/01/2003 1.20 06/10/2004 2.50 05/09/2005 2.80 12/28/2005 2.21 09/22/2007 1.80 05/22/2008 2.50 03/28/2009 2.10 04/13/2010 2.80 06/02/2011 2.30 01/18/2012 2.26 09/24/2013 2.45 08/22/2014 3.30 07/26/2015 1.70 07/09/2016 2.26 09/14/2017 2.55 10/30/2017 2.08 03/27/2019 1.42 06/27/2020 2.08 08/02/2021 1.66 06/19/2022 1.77 09/30/2022 2.20 Duration: 3 days 06/17/1979 3.67 05/24/1980 6.50 05/10/1981 3.50 09/12/1982 4.50 07/01/1983 2.40 06/10/1984 2.24 09/15/1985 2.90 07/03/1986 2.90 07/09/1987 2.40 11/12/1987 1.83 04/26/1989 2.20 05/24/1990 2.30 05/10/1991 1.90 06/14/1992 2.70 04/10/1993 2.47 04/03/1994 2.30 04/07/1995 2.20 11/26/1995 1.90 11/17/1996 2.00 06/13/1998 1.80 12/02/1998 1.70 06/10/2000 2.40 09/05/2001 2.20 06/08/2002 2.00 04/01/2003 1.40 06/08/2004 2.70 06/01/2005 3.30 12/28/2005 2.50 05/20/2007 2.00 05/22/2008 3.50 03/27/2009 2.20 04/27/2010 3.10 06/07/2011 2.40 01/17/2012 2.50 09/23/2013 2.60 08/21/2014 3.56 01/03/2015 1.83 07/09/2016 2.31 09/14/2017 2.79 10/31/2017 2.60 09/08/2019 1.63 06/27/2020 2.40 02/04/2021 1.80 09/20/2022 1.80 09/29/2022 2.30 Duration: 4 days 06/17/1979 3.70 05/24/1980 6.60 05/10/1981 3.60 09/10/1982 4.54 03/29/1983 2.50 06/10/1984 2.26 09/15/1985 2.93 07/03/1986 3.10 05/16/1987 2.42 02/07/1988 1.90 04/25/1989 2.40 05/24/1990 2.32 05/09/1991 2.30 06/13/1992 3.20 06/10/1993 2.50 04/03/1994 2.70 04/07/1995 2.40 11/25/1995 2.60 12/26/1996 2.40 06/13/1998 2.40 05/30/1999 2.00 06/12/2000 2.70 09/05/2001 2.22 04/14/2002 2.50 04/23/2003 1.90 06/08/2004 3.20 05/09/2005 3.40 12/28/2005 2.70 05/21/2007 2.30 05/21/2008 4.00 03/28/2009 2.70 04/27/2010 3.40 06/06/2011 2.90 01/17/2012 2.91 09/22/2013 2.72 08/20/2014 3.69 01/02/2015 2.04 05/20/2016 2.62 09/14/2017 2.82 06/15/2018 3.11 04/05/2019 1.84 06/27/2020 2.62 02/03/2021 1.90 06/11/2022 1.82 09/29/2022 2.40 Duration: 7 days 06/14/1979 3.74 05/24/1980 7.80 05/10/1981 4.80 09/10/1982 4.60 03/27/1983 3.60 10/17/1983 2.40 09/11/1985 3.70 05/07/1986 4.10 05/16/1987 2.90 04/20/1988 2.80 04/22/1989 3.00 05/21/1990 2.60 05/08/1991 3.10 06/11/1992 4.00 06/10/1993 4.30 04/02/1994 3.20 05/06/1995 2.90 11/25/1995 3.30 06/05/1997 3.80 06/13/1998 3.80 05/29/1999 3.30 06/10/2000 4.20 03/25/2001 2.40 04/12/2002 3.10 04/25/2003 2.40 06/05/2004 3.50 06/01/2005 4.10 12/28/2005 3.40 05/18/2007 3.00 05/20/2008 4.30 03/25/2009 3.30 04/27/2010 4.30 06/02/2011 4.60 02/20/2012 3.24 09/23/2013 3.43 08/20/2014 3.73 05/30/2015 2.65 05/20/2016 3.24 09/14/2017 4.02 06/15/2018 3.43 09/06/2019 2.55 06/27/2020 3.14 05/20/2021 2.80 06/14/2022 2.90 08/29/2023 3.00 Duration: 10 days 06/14/1979 3.82 05/24/1980 8.10 05/07/1981 5.30 09/06/1982 4.80 07/01/1983 4.60 11/16/1983 3.20 09/08/1985 4.00 05/04/1986 4.50 07/09/1987 3.70 02/06/1988 3.30 04/22/1989 3.10 05/24/1990 2.90 05/08/1991 3.40 06/11/1992 4.08 06/07/1993 5.00 04/03/1994 3.40 05/05/1995 3.30 12/31/1995 3.70 12/25/1996 4.00 06/11/1998 3.90 05/30/1999 4.00 06/10/2000 4.90 03/25/2001 2.90 04/09/2002 3.60 04/22/2003 3.60 06/04/2004 3.70 05/10/2005 4.50 04/01/2006 4.00 05/20/2007 3.90 05/20/2008 4.70 03/24/2009 4.10 04/27/2010 5.30 06/02/2011 5.20 01/17/2012 3.60 09/24/2013 5.20 08/15/2014 3.90 05/27/2015 3.10 05/15/2016 3.70 09/14/2017 5.00 06/16/2018 4.00 10/30/2018 2.80 06/23/2020 3.20 10/15/2020 3.00 09/22/2022 3.90 04/12/2023 3.40 Duration: 20 days 02/02/1979 5.10 05/09/1980 9.10 05/06/1981 8.90 09/12/1982 6.70 06/26/1983 6.20 11/06/1983 4.90 09/05/1985 5.80 04/24/1986 7.20 05/16/1987 4.80 02/04/1988 4.40 04/25/1989 4.80 05/13/1990 5.00 04/24/1991 5.90 11/25/1991 5.00 06/07/1993 7.10 03/19/1994 5.60 04/24/1995 5.30 05/09/1996 6.00 11/17/1996 6.60 06/13/1998 6.10 11/16/1998 5.10 05/29/2000 5.30 03/25/2001 4.60 06/06/2002 4.90 04/14/2003 6.10 05/22/2004 5.80 05/07/2005 6.00 05/26/2006 6.00 05/18/2007 5.20 05/21/2008 8.20 03/16/2009 6.00 04/13/2010 7.00 05/20/2011 8.40 05/22/2012 6.10 09/15/2013 6.40 02/19/2014 5.40 12/19/2014 4.90 05/09/2016 5.90 09/14/2017 6.30 05/31/2018 5.50 02/08/2019 4.60 06/16/2020 5.20 02/04/2021 4.70 09/14/2022 5.10 06/01/2023 5.00 Duration: 30 days 11/25/1978 6.40 05/09/1980 11.00 04/23/1981 11.00 05/18/1982 8.00 06/11/1983 7.60 11/10/1983 6.40 09/08/1985 8.70 04/16/1986 8.30 10/30/1986 5.00 03/27/1988 6.10 04/22/1989 6.40 04/27/1990 6.50 04/15/1991 7.90 05/18/1992 8.00 06/06/1993 9.70 03/16/1994 6.30 04/07/1995 6.70 04/29/1996 7.30 11/14/1996 8.50 06/07/1998 7.50 12/25/1998 7.40 05/26/2000 6.80 03/25/2001 6.60 05/21/2002 6.70 04/13/2003 7.80 05/16/2004 8.50 05/09/2005 9.80 12/28/2005 7.30 09/21/2006 5.90 05/14/2008 9.90 03/16/2009 7.20 05/22/2010 9.70 05/20/2011 10.10 05/17/2012 7.30 09/05/2013 7.00 02/09/2014 7.10 05/07/2015 6.60 04/28/2016 6.20 09/14/2017 7.00 05/30/2018 7.20 01/18/2019 6.30 06/07/2020 6.60 01/28/2021 5.40 05/27/2022 6.00 05/25/2023 6.40 Duration: 45 days 11/09/1978 8.50 05/06/1980 12.60 05/03/1981 14.60 05/06/1982 10.20 02/17/1983 9.70 11/06/1983 8.40 08/31/1985 10.30 04/10/1986 10.20 04/18/1987 6.40 03/12/1988 8.40 04/22/1989 7.40 04/12/1990 8.70 04/06/1991 10.60 05/08/1992 9.00 05/28/1993 12.20 03/16/1994 8.00 03/30/1995 9.10 04/16/1996 9.50 11/18/1996 13.00 05/14/1998 10.80 12/21/1998 8.50 05/05/2000 8.30 03/12/2001 7.70 05/05/2002 8.80 03/22/2003 10.00 04/28/2004 9.40 05/04/2005 11.60 12/22/2005 9.40 09/15/2006 7.50 05/07/2008 10.90 03/16/2009 9.50 04/28/2010 13.20 04/26/2011 13.00 04/27/2012 9.50 05/17/2013 7.90 01/29/2014 9.60 11/22/2014 8.80 05/09/2016 8.00 02/03/2017 8.90 05/09/2018 9.00 01/17/2019 8.70 05/19/2020 8.70 01/03/2021 6.20 05/07/2022 8.30 02/18/2023 8.30 Duration: 60 days 11/17/1978 10.40 05/06/1980 14.90 04/20/1981 17.50 03/30/1982 12.00 02/06/1983 11.70 11/08/1983 10.30 08/09/1985 11.40 04/10/1986 11.70 05/16/1987 8.80 02/08/1988 10.00 03/21/1989 9.50 04/21/1990 11.10 03/20/1991 12.70 04/18/1992 10.80 05/28/1993 14.90 03/21/1994 9.00 03/17/1995 11.80 11/24/1995 11.60 11/14/1996 14.70 05/13/1998 12.00 11/22/1998 11.70 05/05/2000 10.00 03/04/2001 8.50 04/14/2002 11.70 03/05/2003 12.30 05/11/2004 11.00 04/14/2005 14.50 11/25/2005 11.80 09/15/2006 9.00 04/15/2008 13.40 03/16/2009 12.00 04/13/2010 16.90 04/11/2011 16.20 02/17/2012 11.50 10/14/2012 9.70 01/29/2014 11.10 11/09/2014 9.80 03/29/2016 10.20 02/03/2017 10.90 09/14/2017 11.30 12/30/2018 9.60 05/06/2020 11.10 12/28/2020 7.80 04/22/2022 10.90 02/19/2023 10.90