Precipitation annual maximum series (inches) Station ID: 24-7618 Station name: SIMMS 1 NE State: MT Latitude (decimal degrees): 47.4961 Longitude (decimal degrees): -111.9161 Elevation (feet): 3558 Duration: 1 day 08/19/1975 1.79 10/11/1975 1.03 03/28/1977 1.11 09/11/1978 1.03 05/24/1980 1.62 05/15/1981 1.03 05/08/1983 2.31 08/11/1985 1.48 09/18/1986 0.97 06/19/1987 1.33 09/18/1988 1.14 08/25/1989 1.98 05/25/1990 1.60 06/06/1991 1.40 06/16/1992 0.68 04/19/1993 1.19 04/25/1994 0.95 09/05/1995 1.61 06/16/1996 2.03 06/11/1997 1.35 05/31/1998 1.14 08/12/1999 1.46 06/01/2000 1.80 07/31/2001 1.01 06/08/2002 0.96 06/20/2003 0.76 09/20/2004 0.77 06/03/2005 1.60 06/10/2006 2.19 04/18/2007 0.71 06/11/2008 1.58 08/07/2009 0.90 06/02/2010 1.50 06/03/2013 0.75 06/19/2014 1.35 Duration: 2 days 08/18/1975 2.36 10/10/1975 1.79 03/28/1977 1.23 09/10/1978 1.32 05/23/1980 2.26 05/15/1981 1.32 05/08/1983 2.83 08/11/1985 1.70 09/18/1986 1.07 07/18/1987 1.85 09/18/1988 1.26 08/24/1989 2.57 05/25/1990 1.77 06/06/1991 1.85 06/16/1992 1.29 08/29/1993 1.60 04/25/1994 1.40 09/05/1995 1.78 06/15/1996 2.24 06/11/1997 1.84 05/30/1998 1.26 08/12/1999 1.61 05/31/2000 2.69 07/31/2001 1.55 06/10/2002 1.50 06/20/2003 0.94 08/23/2004 1.34 06/02/2005 2.65 06/09/2006 2.51 04/18/2007 0.90 06/11/2008 1.77 08/07/2009 1.57 06/01/2010 1.66 06/03/2013 1.23 08/23/2014 1.97 Duration: 3 days 08/18/1975 2.41 10/10/1975 2.40 03/28/1977 1.25 09/10/1978 1.44 05/22/1980 2.88 05/15/1981 1.35 05/08/1983 2.88 08/11/1985 1.86 09/18/1986 1.25 07/17/1987 2.03 07/04/1988 1.32 08/23/1989 3.11 05/23/1990 1.80 06/05/1991 2.03 06/15/1992 1.42 07/12/1993 1.66 04/24/1994 1.46 09/05/1995 1.81 06/16/1996 2.28 06/11/1997 2.00 05/31/1998 1.36 08/12/1999 1.64 05/30/2000 2.80 07/31/2001 1.58 06/08/2002 2.14 06/20/2003 0.96 08/23/2004 1.37 06/02/2005 3.04 06/09/2006 2.81 04/18/2007 1.17 05/23/2008 2.18 08/06/2009 1.60 06/16/2010 1.92 06/03/2013 1.25 08/22/2014 2.37 Duration: 4 days 10/10/1975 2.43 03/28/1977 1.27 09/10/1978 1.46 05/22/1980 3.01 05/05/1981 1.65 05/08/1983 2.91 08/11/1985 1.95 09/18/1986 1.32 07/17/1987 2.05 07/04/1988 1.33 08/23/1989 3.61 05/23/1990 1.82 06/05/1991 2.05 06/13/1992 1.73 07/12/1993 1.82 04/23/1994 1.78 09/05/1995 2.18 06/15/1996 2.32 06/11/1997 2.10 05/30/1998 1.43 08/12/1999 1.95 05/30/2000 2.83 07/31/2001 1.60 06/08/2002 2.68 06/20/2003 0.97 08/23/2004 1.38 06/01/2005 3.07 06/08/2006 3.05 04/18/2007 1.18 05/23/2008 2.79 08/06/2009 1.62 06/15/2010 2.20 06/07/2011 3.07 06/01/2013 1.35 08/21/2014 2.49 Duration: 7 days 10/06/1975 3.04 03/28/1977 1.37 09/05/1978 1.57 05/22/1980 3.14 05/15/1981 2.25 08/11/1985 3.58 09/14/1986 1.53 07/17/1987 2.22 06/30/1988 1.44 08/23/1989 3.95 05/19/1990 1.84 06/20/1991 2.11 06/11/1992 2.36 07/12/1993 2.56 04/22/1994 1.91 09/05/1995 2.55 06/16/1996 2.55 05/21/1997 2.23 06/11/1998 1.65 05/30/1999 1.97 05/31/2000 2.97 07/31/2001 1.72 06/08/2002 2.74 04/28/2003 1.08 08/18/2004 2.20 06/01/2005 3.78 06/05/2006 3.33 05/23/2007 1.34 05/21/2008 3.11 08/06/2009 1.63 05/27/2010 2.77 06/04/2011 3.40 05/30/2013 1.53 06/13/2014 2.75 Duration: 10 days 10/06/1975 3.10 03/21/1977 1.40 09/06/1978 1.70 05/23/1980 3.50 05/16/1981 2.50 08/08/1985 4.01 09/09/1986 1.94 07/17/1987 2.40 09/11/1988 1.99 08/23/1989 4.20 05/16/1990 2.02 05/29/1991 2.31 06/11/1992 2.41 07/08/1993 2.97 04/22/1994 1.95 05/04/1995 2.82 06/16/1996 3.03 05/18/1997 2.46 06/26/1998 2.11 08/08/1999 2.04 05/30/2000 3.08 07/31/2001 1.75 06/02/2002 2.87 04/27/2003 1.14 08/18/2004 2.29 06/02/2005 3.93 06/03/2006 3.55 05/21/2007 1.42 05/21/2008 3.17 07/30/2009 2.03 05/25/2010 3.62 06/01/2011 4.15 05/27/2013 1.68 06/11/2014 3.10 Duration: 20 days 10/06/1975 3.80 05/08/1977 2.20 04/17/1978 2.40 05/25/1980 5.10 05/06/1981 4.30 08/03/1985 5.10 08/31/1986 2.98 07/03/1987 3.00 09/11/1988 2.04 08/23/1989 4.59 05/11/1990 2.66 06/05/1991 3.94 05/30/1992 2.95 06/29/1993 4.45 04/07/1994 2.32 05/02/1995 3.08 06/16/1996 3.19 05/24/1997 4.20 05/30/1998 3.51 08/12/1999 2.34 05/30/2000 3.73 06/03/2001 2.29 06/04/2002 3.34 06/06/2003 1.82 08/05/2004 2.33 06/01/2005 4.85 05/23/2006 5.50 05/11/2007 1.94 05/23/2008 5.15 07/27/2009 2.60 05/29/2010 4.19 05/23/2011 6.33 06/01/2013 2.81 06/11/2014 3.43 Duration: 30 days 09/26/1975 3.90 05/08/1977 2.30 05/05/1978 3.20 05/23/1980 7.00 05/06/1981 5.20 08/11/1985 5.39 08/31/1986 3.28 06/19/1987 3.83 06/13/1988 2.42 08/21/1989 5.11 05/23/1990 2.99 05/28/1991 4.53 06/13/1992 3.74 06/27/1993 5.06 04/22/1994 3.25 05/12/1995 3.92 05/22/1996 4.53 05/18/1997 5.07 05/30/1998 4.86 08/05/1999 3.47 05/30/2000 4.07 06/03/2001 2.59 05/21/2002 4.13 04/12/2003 2.20 05/19/2004 2.95 06/01/2005 5.19 05/23/2006 5.79 05/03/2007 2.43 05/13/2008 5.70 07/10/2009 2.79 05/25/2010 6.24 05/20/2011 6.85 05/23/2013 3.76 05/31/2014 3.61 Duration: 45 days 09/18/1975 4.00 05/08/1977 3.60 04/17/1978 4.30 05/15/1980 8.10 05/06/1981 6.40 08/03/1985 7.15 08/31/1986 3.77 06/16/1987 5.31 05/31/1988 3.48 07/13/1989 6.78 05/25/1990 4.17 05/09/1991 5.87 05/27/1992 4.74 06/01/1993 6.32 04/06/1994 3.80 05/04/1995 5.41 05/17/1996 5.47 05/18/1997 5.97 05/22/1998 6.41 07/21/1999 3.72 05/30/2000 4.84 06/18/2001 3.44 05/01/2002 4.68 03/27/2003 2.84 05/11/2004 3.96 05/09/2005 5.79 05/22/2006 5.94 04/16/2007 3.67 05/21/2008 6.82 07/05/2009 3.12 05/11/2010 6.72 04/30/2011 7.74 05/23/2013 4.06 06/11/2014 4.18 Duration: 60 days 04/25/1976 4.30 06/21/1977 3.70 04/07/1978 5.00 05/03/1980 8.70 05/06/1981 6.40 08/03/1985 8.08 08/13/1986 3.92 05/21/1987 6.09 05/07/1988 3.63 07/13/1989 7.76 05/13/1990 5.05 04/28/1991 6.61 05/27/1992 5.13 05/23/1993 8.48 04/22/1994 4.43 05/05/1995 5.83 05/01/1996 5.67 05/24/1997 6.44 05/14/1998 7.08 08/05/1999 4.00 05/12/2000 4.86 06/03/2001 4.87 04/27/2002 5.33 04/25/2003 3.45 05/09/2004 4.57 04/19/2005 6.38 05/22/2006 6.12 04/10/2007 3.90 05/07/2008 7.39 06/18/2009 3.43 04/23/2010 8.28 04/14/2011 9.19 05/19/2013 4.57 04/22/2014 5.07