Precipitation annual maximum series (inches) Station ID: 41-0784 Station name: BIG SPRING FLD STN State: TX Latitude (decimal degrees): 32.2683 Longitude (decimal degrees): -101.4858 Elevation (feet): 2510 Duration: 15 minutes 08/08/1971 0.90 05/06/1972 0.60 05/31/1973 0.70 03/14/1974 0.50 05/04/1975 1.00 05/20/1976 0.80 04/14/1977 0.80 07/19/1979 0.50 08/16/1980 1.30 04/14/1981 0.50 05/27/1983 0.40 09/25/1984 0.50 04/28/1985 0.70 08/30/1986 1.00 05/15/1987 0.60 05/10/1988 0.40 06/02/1989 1.00 09/16/1990 0.60 08/10/1991 0.80 04/28/1993 1.00 06/06/1997 0.60 05/26/1998 0.50 05/25/1999 0.60 06/08/2000 0.50 04/17/2001 0.70 09/25/2003 0.70 03/20/2004 0.60 08/05/2005 0.50 04/09/2008 0.30 07/29/2009 1.00 07/29/2011 0.40 05/23/2013 0.80 05/08/2014 0.58 06/30/2015 1.25 11/06/2016 0.60 08/13/2017 0.30 Duration: 30 minutes 06/15/1972 0.90 05/31/1973 1.30 03/14/1974 0.70 05/04/1975 1.30 05/20/1976 1.30 04/14/1977 1.20 07/19/1979 1.00 08/16/1980 2.00 09/04/1981 0.80 09/13/1983 0.80 09/25/1984 0.90 04/28/1985 1.10 05/24/1986 1.40 05/15/1987 1.00 09/02/1988 0.80 06/10/1989 1.30 07/29/1990 0.70 08/10/1991 0.90 04/28/1993 1.30 06/06/1997 1.00 01/31/1998 0.80 05/25/1999 0.90 06/08/2000 0.60 04/17/2001 0.73 09/25/2003 1.40 03/20/2004 0.80 05/15/2005 0.60 10/05/2008 0.60 07/29/2009 1.10 07/29/2011 0.60 05/23/2013 1.30 05/08/2014 0.65 06/30/2015 2.08 11/06/2016 1.01 09/30/2017 0.50 Duration: 45 minutes 06/15/1972 1.30 05/31/1973 1.60 10/24/1974 1.00 05/04/1975 1.60 05/20/1976 1.60 04/14/1977 1.30 07/19/1979 1.50 08/16/1980 2.30 04/21/1981 0.90 09/13/1983 0.82 09/25/1984 1.10 04/28/1985 1.30 05/24/1986 1.70 05/15/1987 1.20 09/02/1988 1.00 06/02/1989 1.33 07/29/1990 0.80 10/26/1991 1.00 04/28/1993 1.70 06/06/1997 1.30 05/26/1998 1.10 05/25/1999 0.92 06/08/2000 0.70 08/09/2001 0.90 09/25/2003 1.80 03/20/2004 0.82 05/15/2005 0.70 10/05/2008 0.70 07/29/2009 1.12 07/29/2011 0.61 05/23/2013 1.60 05/08/2014 0.69 06/30/2015 2.49 11/06/2016 1.27 09/30/2017 0.73 Duration: 1 hour 06/07/1954 2.57 08/04/1955 1.25 05/17/1957 1.52 06/23/1958 1.19 07/12/1959 1.76 07/04/1960 1.83 07/22/1961 1.28 09/05/1962 1.18 06/19/1963 1.19 06/12/1964 0.63 05/15/1965 1.44 06/18/1966 1.05 02/19/1967 1.94 05/05/1968 1.00 05/26/1969 1.70 04/25/1970 0.60 05/29/1971 1.75 06/15/1972 1.27 05/31/1973 1.45 10/24/1974 1.00 05/04/1975 1.45 05/20/1976 1.73 07/19/1979 1.82 08/16/1980 2.27 04/21/1981 0.91 10/17/1983 0.84 09/25/1984 1.09 04/28/1985 1.27 05/24/1986 1.64 05/15/1987 1.18 09/02/1988 1.00 06/02/1989 1.18 09/16/1990 0.82 10/26/1991 1.00 04/28/1993 1.73 06/06/1997 1.27 05/26/1998 1.09 05/25/1999 0.91 06/08/2000 0.73 08/09/2001 0.91 09/25/2003 1.82 03/20/2004 0.82 05/15/2005 0.73 10/05/2008 0.64 07/29/2009 1.00 05/23/2013 1.55 05/08/2014 0.94 06/30/2015 2.63 11/06/2016 1.24 09/30/2017 0.81 Duration: 2 hours 06/07/1954 3.33 07/27/1955 1.98 05/10/1957 1.86 06/23/1958 1.26 07/12/1959 2.10 07/04/1960 1.94 09/24/1961 2.15 09/06/1962 1.68 06/19/1963 1.31 06/12/1964 1.06 05/15/1965 1.78 08/29/1966 1.70 09/14/1967 2.44 08/26/1968 1.30 05/26/1969 2.40 04/25/1970 0.63 05/29/1971 2.00 06/15/1972 1.54 05/31/1973 1.63 10/24/1974 1.15 05/22/1975 1.92 05/20/1976 2.31 07/19/1979 3.27 08/16/1980 2.50 04/21/1981 1.06 10/17/1983 1.38 09/25/1984 1.54 04/28/1985 1.35 05/24/1986 2.88 05/23/1987 1.83 09/02/1988 1.25 06/10/1989 1.44 10/02/1990 1.15 10/26/1991 1.25 04/28/1993 1.83 08/17/1996 2.40 06/06/1997 1.63 05/26/1998 1.35 05/25/1999 0.96 05/19/2000 0.96 08/09/2001 1.06 09/25/2003 2.12 08/18/2004 1.10 05/15/2005 0.96 10/13/2008 0.96 07/29/2009 1.06 09/28/2012 3.08 05/23/2013 1.73 05/08/2014 1.30 06/30/2015 4.11 11/06/2016 1.47 09/30/2017 1.03 Duration: 3 hours 06/07/1954 3.41 07/27/1955 2.23 05/10/1957 1.93 06/23/1958 1.28 07/12/1959 2.25 04/26/1960 1.97 09/24/1961 2.66 09/06/1962 2.12 06/19/1963 1.34 06/12/1964 1.09 05/15/1965 1.81 08/29/1966 1.88 09/14/1967 3.00 05/09/1968 1.50 05/26/1969 2.45 04/25/1970 0.65 05/29/1971 2.40 06/15/1972 1.67 05/31/1973 1.67 10/24/1974 1.57 05/22/1975 3.04 05/20/1976 2.36 07/19/1979 4.12 08/16/1980 2.55 04/21/1981 1.08 10/17/1983 1.41 09/25/1984 1.76 04/28/1985 1.86 05/24/1986 3.33 05/23/1987 1.87 09/02/1988 1.57 06/10/1989 1.57 10/02/1990 1.37 10/26/1991 1.27 04/28/1993 1.87 08/17/1996 2.45 06/06/1997 1.67 05/26/1998 1.57 05/25/1999 0.98 05/19/2000 1.27 11/14/2001 1.27 09/25/2003 2.16 08/18/2004 1.40 05/15/2005 1.08 10/13/2008 1.08 07/29/2009 1.08 09/28/2012 4.12 05/23/2013 1.86 05/08/2014 1.33 06/30/2015 4.34 11/06/2016 1.52 09/30/2017 1.42 Duration: 6 hours 05/17/1954 3.88 07/27/1955 2.26 04/05/1956 0.77 05/10/1957 1.99 05/12/1958 1.30 07/12/1959 2.35 07/04/1960 1.99 06/15/1961 2.88 09/06/1962 2.87 06/19/1963 1.35 06/12/1964 1.10 05/15/1965 1.85 08/29/1966 1.99 09/14/1967 3.66 05/09/1968 1.89 05/26/1969 2.47 03/06/1970 0.90 05/29/1971 2.50 06/15/1972 1.78 05/31/1973 2.67 10/24/1974 2.18 05/22/1975 3.27 05/20/1976 2.48 07/19/1979 4.87 08/16/1980 2.67 06/04/1981 1.49 10/19/1983 1.54 09/25/1984 2.28 04/28/1985 2.18 05/24/1986 3.56 05/22/1987 1.98 09/02/1988 2.57 06/10/1989 1.68 10/02/1990 1.39 10/26/1991 1.39 04/28/1993 1.98 02/20/1997 1.88 05/26/1998 1.68 09/05/1999 1.19 05/19/2000 1.68 11/14/2001 2.48 09/25/2003 2.18 08/18/2004 1.80 07/26/2005 1.29 06/23/2006 2.87 08/17/2007 3.17 08/10/2008 1.09 07/23/2009 1.19 09/28/2012 4.75 05/23/2013 1.88 05/08/2014 1.35 06/30/2015 4.65 06/12/2016 1.70 09/30/2017 1.50 Duration: 12 hours 05/17/1954 4.38 07/27/1955 2.40 04/05/1956 0.80 10/20/1957 2.02 05/12/1958 1.31 07/12/1959 2.37 07/04/1960 2.72 07/21/1961 3.35 09/06/1962 5.70 06/19/1963 1.36 06/12/1964 1.11 05/15/1965 2.48 08/29/1966 2.01 09/14/1967 3.99 11/26/1968 2.30 05/26/1969 2.50 03/06/1970 1.00 05/29/1971 2.60 08/26/1972 1.90 05/31/1973 2.70 10/24/1974 2.20 05/22/1975 3.60 05/20/1976 2.50 07/19/1979 5.70 08/16/1980 2.70 04/21/1981 1.50 10/19/1983 2.20 09/25/1984 2.70 06/04/1985 2.30 05/24/1986 3.70 05/23/1987 3.30 09/01/1988 3.20 06/10/1989 1.70 10/02/1990 1.50 10/26/1991 1.40 10/19/1993 2.30 02/20/1997 2.20 05/26/1998 1.70 09/05/1999 2.20 05/19/2000 1.70 11/14/2001 3.50 08/29/2003 2.20 11/16/2004 2.50 07/26/2005 1.80 06/22/2006 4.10 08/17/2007 3.80 08/10/2008 1.20 07/23/2009 1.30 09/28/2012 4.90 10/13/2013 2.00 05/08/2014 1.36 06/30/2015 4.70 11/05/2016 2.70 09/30/2017 1.55 Duration: 1 day 05/17/1954 3.95 07/27/1955 2.30 10/17/1956 0.85 10/20/1957 2.20 05/12/1958 1.11 07/12/1959 2.12 07/04/1960 2.87 07/21/1961 3.71 09/05/1962 5.44 06/19/1963 1.88 06/11/1964 0.98 05/15/1965 2.44 04/24/1966 2.11 09/14/1967 3.59 11/26/1968 2.16 05/25/1969 2.16 03/06/1970 1.62 05/29/1971 2.34 08/26/1972 1.89 05/31/1973 2.43 10/13/1974 2.25 05/22/1975 3.24 05/20/1976 2.25 04/15/1977 2.60 09/20/1978 3.69 07/19/1979 5.14 04/21/1981 1.35 06/27/1982 1.30 10/19/1983 2.52 09/25/1984 2.52 06/04/1985 2.25 05/24/1986 3.42 05/22/1987 3.51 09/01/1988 2.97 06/10/1989 1.53 09/20/1990 1.53 08/08/1991 1.35 10/18/1993 2.25 01/22/1994 0.80 05/06/1995 2.10 02/19/1997 2.25 05/25/1998 1.53 09/04/1999 2.25 05/19/2000 1.62 11/14/2001 3.42 08/29/2003 2.34 10/05/2005 1.71 06/22/2006 3.78 08/18/2007 3.80 08/10/2008 1.08 07/22/2009 1.26 10/09/2011 0.90 09/28/2012 5.77 10/13/2013 1.80 11/04/2014 1.33 06/30/2015 4.23 11/05/2016 2.43 09/30/2017 1.41 Duration: 2 days 05/17/1954 4.22 07/27/1955 2.45 10/17/1956 0.99 10/20/1957 2.63 08/19/1958 1.73 07/12/1959 2.26 07/04/1960 3.91 07/21/1961 3.96 09/04/1962 7.53 06/19/1963 2.04 06/11/1964 1.05 05/13/1965 2.75 04/23/1966 2.98 09/13/1967 3.90 11/26/1968 2.50 05/25/1969 2.40 03/06/1970 1.73 05/27/1971 2.69 09/01/1972 2.31 05/31/1973 2.60 09/18/1974 2.79 05/22/1975 3.85 05/20/1976 2.40 04/14/1977 3.10 09/20/1978 4.20 07/17/1979 5.87 04/21/1981 1.63 06/27/1982 1.39 10/19/1983 2.88 09/25/1984 2.69 04/27/1985 2.79 05/24/1986 4.42 05/22/1987 3.85 09/01/1988 3.17 06/09/1989 1.83 09/20/1990 1.92 08/09/1991 2.31 10/18/1993 2.50 01/22/1994 0.85 05/06/1995 2.24 02/19/1997 2.40 05/25/1998 1.73 09/04/1999 2.79 05/19/2000 1.83 11/14/2001 4.13 08/29/2003 2.50 11/14/2004 4.90 08/13/2005 3.27 06/23/2006 4.20 09/10/2008 1.92 07/22/2009 1.44 04/14/2010 4.62 10/09/2011 1.80 09/28/2012 8.28 10/13/2013 2.12 05/23/2014 1.72 06/30/2015 4.52 11/05/2016 2.67 09/30/2017 1.50 Duration: 3 days 05/17/1954 4.26 07/27/1955 2.48 10/17/1956 1.00 05/08/1957 2.66 08/19/1958 1.75 09/30/1959 2.36 07/04/1960 3.98 07/21/1961 4.00 09/04/1962 7.88 06/17/1963 2.28 06/11/1964 1.06 05/13/1965 3.61 04/23/1966 4.01 09/13/1967 3.94 05/09/1968 2.77 05/25/1969 2.43 05/29/1970 1.84 05/27/1971 2.72 10/19/1972 2.43 05/31/1973 2.63 09/17/1974 2.91 05/22/1975 3.89 05/20/1976 2.43 04/14/1977 3.13 07/17/1979 5.93 04/21/1981 1.65 06/27/1982 1.40 10/17/1983 4.27 09/25/1984 2.91 04/27/1985 2.82 05/24/1986 4.85 05/22/1987 3.89 08/30/1988 3.30 06/01/1989 1.85 09/20/1990 2.04 07/24/1991 2.62 05/22/1992 5.24 10/18/1993 2.52 05/07/1994 0.86 05/06/1995 2.26 06/06/1997 2.82 05/25/1998 1.75 09/03/1999 3.11 05/19/2000 1.85 11/14/2001 4.27 08/27/2003 2.72 11/13/2004 5.34 08/12/2005 3.79 06/23/2006 4.28 09/10/2008 1.94 07/22/2009 1.46 04/13/2010 4.76 10/09/2011 1.82 09/28/2012 8.38 10/14/2013 2.48 05/23/2014 2.16 06/30/2015 4.56 11/03/2016 3.91 09/27/2017 1.83 Duration: 4 days 05/17/1954 4.30 07/27/1955 2.50 10/14/1956 1.38 05/08/1957 2.75 08/19/1958 1.77 09/30/1959 2.96 07/04/1960 4.02 07/21/1961 4.04 09/04/1962 7.96 06/17/1963 2.33 09/21/1964 1.08 05/13/1965 3.65 04/22/1966 4.15 09/13/1967 3.98 05/05/1968 3.03 05/02/1969 3.24 05/29/1970 1.86 05/27/1971 2.77 06/11/1972 2.55 09/04/1973 2.75 09/16/1974 3.53 05/22/1975 3.93 05/20/1976 2.45 04/14/1977 3.40 07/17/1979 5.99 09/04/1981 1.86 06/24/1982 2.00 10/17/1983 4.31 09/25/1984 2.94 04/25/1985 2.94 08/30/1986 5.20 05/19/1987 4.22 08/30/1988 3.33 06/01/1989 1.87 07/28/1990 2.16 07/24/1991 3.24 05/22/1992 5.29 10/18/1993 2.55 05/07/1994 1.08 05/27/1995 2.70 06/06/1997 2.85 10/31/1998 2.25 09/03/1999 3.14 05/19/2000 1.87 11/14/2001 4.71 08/27/2003 2.77 11/13/2004 5.49 08/12/2005 4.12 06/23/2006 4.37 09/08/2008 2.35 07/22/2009 1.47 04/13/2010 4.81 10/09/2011 1.84 09/28/2012 8.55 10/13/2013 2.53 05/24/2014 2.54 06/26/2015 4.63 11/02/2016 5.09 09/26/2017 1.95 Duration: 7 days 05/11/1954 5.90 07/27/1955 2.53 10/14/1956 1.45 05/10/1957 3.76 08/19/1958 1.92 09/30/1959 3.00 07/04/1960 4.06 07/21/1961 4.08 08/31/1962 8.25 06/17/1963 2.36 09/21/1964 1.22 05/09/1965 4.17 04/22/1966 4.38 09/13/1967 4.02 05/05/1968 4.06 05/02/1969 3.27 05/27/1970 1.98 07/26/1971 2.87 08/26/1972 4.46 09/06/1973 3.27 09/18/1974 5.05 05/22/1975 4.55 05/20/1976 2.48 04/14/1977 3.60 09/19/1978 5.15 07/17/1979 6.14 05/29/1981 2.67 06/22/1982 2.10 10/17/1983 4.36 09/25/1984 2.97 04/25/1985 2.97 08/30/1986 7.52 05/16/1987 4.46 09/17/1988 3.96 06/03/1989 2.28 09/16/1990 3.47 08/08/1991 3.66 05/22/1992 5.84 04/28/1993 3.07 05/07/1994 1.89 05/24/1995 3.00 06/06/1997 2.97 10/31/1998 2.28 09/03/1999 3.37 06/02/2000 2.67 11/11/2001 4.85 08/27/2003 2.83 11/13/2004 5.54 08/12/2005 4.16 06/17/2006 4.50 08/10/2008 2.87 07/22/2009 2.67 04/14/2010 4.90 10/09/2011 1.85 09/28/2012 8.72 10/13/2013 2.58 05/23/2014 2.72 06/30/2015 5.35 11/02/2016 5.22 09/25/2017 2.77 Duration: 10 days 05/11/1954 6.96 07/19/1955 4.61 10/15/1956 1.46 05/09/1957 4.58 08/20/1958 1.94 06/23/1959 3.17 07/05/1960 4.15 06/08/1961 4.99 09/01/1962 8.33 06/12/1963 2.79 06/04/1964 1.78 05/09/1965 4.52 04/23/1966 5.57 09/14/1967 4.06 05/05/1968 4.78 04/27/1969 3.40 05/24/1970 2.50 07/23/1971 2.90 08/26/1972 4.60 09/05/1973 3.70 09/16/1974 6.00 05/23/1975 4.70 05/21/1976 2.50 04/14/1977 3.64 07/18/1979 6.20 04/14/1981 3.50 06/19/1982 3.30 10/18/1983 4.40 09/26/1984 3.50 04/21/1985 3.20 05/25/1986 8.50 05/15/1987 6.80 09/14/1988 4.20 06/02/1989 3.80 09/17/1990 3.50 08/09/1991 4.10 05/23/1992 6.20 04/28/1993 3.30 05/07/1994 2.70 05/24/1995 3.03 06/06/1997 4.00 08/13/1998 2.30 09/04/1999 3.70 06/02/2000 2.70 11/12/2001 5.00 06/01/2003 3.20 11/14/2004 6.80 08/09/2005 4.30 06/16/2006 4.60 08/11/2008 3.00 07/23/2009 3.00 10/09/2011 1.87 09/28/2012 8.89 10/13/2013 2.63 09/12/2014 3.15 06/30/2015 7.12 11/03/2016 5.43 09/24/2017 3.03 Duration: 20 days 05/11/1954 7.30 07/17/1955 6.30 10/15/1956 1.86 05/09/1957 6.49 10/11/1958 3.04 06/23/1959 5.60 07/05/1960 4.15 07/04/1961 6.20 09/01/1962 8.68 05/06/1963 3.52 05/27/1964 2.56 05/09/1965 4.95 04/22/1966 5.64 09/02/1967 4.31 05/05/1968 4.78 04/27/1969 4.70 02/21/1970 2.74 07/27/1971 5.60 08/14/1972 5.20 09/05/1973 4.00 10/14/1974 6.60 05/05/1975 7.60 07/03/1976 3.70 03/27/1977 4.40 07/18/1979 6.40 04/14/1981 3.60 06/10/1982 4.10 10/18/1983 4.70 09/26/1984 4.40 04/11/1985 3.90 08/23/1986 9.60 05/14/1987 8.40 08/31/1988 6.70 06/02/1989 4.00 09/17/1990 5.00 07/25/1991 6.90 05/21/1992 9.50 04/28/1993 3.40 05/07/1994 5.40 05/24/1995 4.10 06/06/1997 4.40 10/21/1998 3.50 09/04/1999 3.70 05/20/2000 4.10 11/12/2001 5.70 05/25/2003 4.80 09/26/2004 8.80 07/27/2005 5.80 08/17/2006 5.30 08/11/2008 3.30 07/23/2009 3.00 10/09/2011 1.88 09/13/2012 9.88 07/15/2013 3.63 09/07/2014 4.32 06/30/2015 7.12 11/03/2016 5.43 09/19/2017 3.39 Duration: 30 days 05/11/1954 10.71 07/14/1955 6.39 10/15/1956 1.98 05/09/1957 8.68 10/03/1958 3.22 06/21/1959 6.55 07/05/1960 4.27 07/04/1961 6.20 09/01/1962 9.07 04/28/1963 4.88 05/27/1964 2.71 05/14/1965 5.93 08/23/1966 5.79 08/17/1967 5.38 05/05/1968 4.94 04/27/1969 7.20 02/21/1970 3.10 07/23/1971 5.80 08/10/1972 6.40 09/01/1973 4.20 09/16/1974 8.90 05/05/1975 8.40 06/22/1976 4.10 03/27/1977 4.90 07/18/1979 6.40 04/14/1981 4.30 06/19/1982 4.40 10/18/1983 4.70 09/26/1984 5.40 04/26/1985 5.00 05/25/1986 11.90 05/14/1987 8.80 08/31/1988 7.60 05/14/1989 4.80 09/05/1990 5.80 07/25/1991 7.40 05/23/1992 10.40 04/28/1993 4.30 05/07/1994 7.02 05/06/1995 5.80 06/06/1997 5.30 10/21/1998 3.50 09/04/1999 3.70 05/20/2000 5.30 11/01/2001 5.70 08/28/2003 5.30 09/26/2004 8.90 07/27/2005 7.40 08/14/2006 6.10 08/16/2008 5.10 07/01/2009 3.90 09/16/2011 2.12 09/08/2012 9.93 05/24/2013 4.74 08/29/2014 4.63 06/14/2015 7.59 10/14/2016 5.72 09/19/2017 3.71 Duration: 45 days 04/28/1954 11.19 07/14/1955 7.95 04/23/1957 10.08 10/03/1958 4.07 06/02/1959 8.82 05/30/1960 5.22 06/08/1961 10.80 09/05/1962 9.62 05/14/1963 6.23 05/08/1964 3.35 05/09/1965 6.75 08/03/1966 7.49 08/17/1967 5.55 04/09/1968 6.21 04/12/1969 8.80 08/19/1970 3.60 07/23/1971 5.90 08/10/1972 7.10 04/19/1973 6.00 09/16/1974 12.00 05/05/1975 9.10 04/12/1976 5.80 06/12/1977 5.42 06/09/1979 6.60 04/22/1981 5.40 06/10/1982 5.20 09/14/1983 6.50 09/26/1984 5.60 04/26/1985 7.70 08/23/1986 14.00 05/06/1987 9.00 08/10/1988 8.80 05/07/1989 5.40 09/05/1990 5.80 07/13/1991 8.80 05/10/1992 11.30 04/28/1993 5.70 04/30/1994 8.02 05/06/1995 6.90 05/24/1997 5.40 07/13/1998 4.40 08/02/1999 4.80 05/20/2000 6.00 11/01/2001 5.80 05/20/2003 6.10 09/26/2004 9.20 07/09/2005 8.30 08/02/2006 7.50 08/11/2008 6.30 06/20/2009 4.80 12/03/2011 3.60 08/19/2012 11.77 06/18/2013 5.51 05/08/2014 5.57 05/25/2015 10.93 05/14/2016 6.57 09/19/2017 3.80 Duration: 60 days 04/12/1954 13.67 07/14/1955 8.21 04/23/1957 10.85 09/16/1958 4.75 05/15/1959 10.15 07/05/1960 5.45 05/26/1961 11.38 07/11/1962 11.65 04/28/1963 8.18 04/23/1964 3.49 04/26/1965 6.91 04/22/1966 8.54 07/19/1967 7.50 03/19/1968 7.41 04/11/1969 10.10 08/19/1970 4.30 07/27/1971 8.30 08/26/1972 8.20 04/03/1973 6.30 09/16/1974 13.00 05/05/1975 10.40 05/21/1976 6.60 06/14/1977 6.28 06/01/1979 7.90 04/14/1981 7.40 06/10/1982 5.20 09/14/1983 6.80 09/26/1984 7.40 04/11/1985 8.60 08/15/1986 15.20 05/06/1987 11.00 07/27/1988 9.10 05/07/1989 5.40 07/25/1990 7.70 07/25/1991 11.30 05/10/1992 11.40 04/14/1993 6.50 04/28/1994 8.12 05/06/1995 8.00 04/17/1997 8.50 07/07/1998 4.60 08/02/1999 4.80 05/20/2000 6.10 11/12/2001 6.00 05/06/2003 6.20 09/26/2004 16.00 07/02/2005 8.50 08/02/2006 7.50 08/16/2008 7.30 06/20/2009 5.60 12/03/2011 3.92 08/13/2012 12.28 05/24/2013 6.84 09/07/2014 6.58 05/12/2015 11.82 09/12/2016 8.19 08/08/2017 5.67