Precipitation annual maximum series (inches) Station ID: 34-5589 Station name: MARSHALL State: OK Latitude (decimal degrees): 36.1522 Longitude (decimal degrees): -97.6225 Elevation (feet): 1041 Duration: 15 minutes 09/25/1976 0.90 08/03/1978 0.50 10/30/1979 1.10 06/19/1980 1.00 07/27/1981 1.00 05/13/1983 1.00 08/10/1984 0.90 09/13/1985 0.70 05/10/1986 0.70 09/28/1987 0.60 09/18/1988 0.60 05/15/1990 0.70 09/02/1991 0.70 08/11/1992 1.70 06/26/1993 1.00 04/11/1994 0.70 06/29/1995 0.90 06/05/1996 0.60 06/12/1997 0.50 10/04/1998 0.80 04/21/1999 0.90 05/24/2000 1.00 05/18/2001 0.70 09/13/2002 0.80 04/19/2003 0.60 07/12/2005 1.40 08/26/2006 0.90 05/30/2007 0.90 06/09/2008 0.80 10/29/2009 0.60 05/19/2010 0.60 Duration: 30 minutes 09/25/1976 1.40 08/03/1978 1.00 10/30/1979 1.40 06/19/1980 1.60 07/27/1981 1.50 05/13/1983 1.30 08/07/1984 1.40 09/13/1985 1.00 05/10/1986 1.00 05/27/1987 0.90 09/18/1988 1.00 05/15/1990 1.00 09/02/1991 1.00 08/11/1992 2.60 06/26/1993 1.60 04/11/1994 1.00 06/29/1995 1.30 06/05/1996 0.90 09/14/1997 0.80 10/17/1998 1.30 04/21/1999 1.50 05/24/2000 1.60 05/18/2001 1.00 09/13/2002 1.20 05/16/2003 0.90 07/12/2005 2.10 05/29/2006 1.50 05/30/2007 1.70 02/05/2008 1.10 10/29/2009 1.00 05/19/2010 0.70 Duration: 45 minutes 09/25/1976 1.80 08/03/1978 1.00 10/30/1979 2.20 06/19/1980 2.20 07/27/1981 1.60 05/13/1983 1.50 08/07/1984 2.10 06/22/1985 1.00 09/28/1986 1.30 03/16/1987 1.00 09/18/1988 1.50 05/15/1990 1.10 09/02/1991 1.10 08/11/1992 3.00 06/26/1993 2.00 04/10/1994 1.20 06/29/1995 1.40 06/05/1996 1.10 09/14/1997 1.10 10/17/1998 1.40 04/21/1999 1.60 05/24/2000 1.80 05/18/2001 1.30 09/13/2002 1.60 05/16/2003 1.00 07/12/2005 2.70 05/29/2006 1.80 05/30/2007 2.20 02/05/2008 1.20 10/29/2009 1.60 05/19/2010 0.80 Duration: 1 hour 10/06/1951 1.48 06/01/1952 1.40 06/05/1953 1.33 06/12/1954 1.58 03/20/1955 0.88 05/25/1956 0.80 05/20/1957 1.94 08/09/1958 0.87 10/01/1959 3.11 08/26/1960 1.02 06/04/1961 1.90 07/09/1962 1.71 10/20/1963 0.80 08/26/1964 1.07 08/18/1965 1.25 07/22/1966 1.91 06/24/1967 1.85 04/03/1968 1.52 09/15/1969 1.37 04/30/1970 0.80 07/22/1971 1.94 08/24/1972 1.25 08/08/1973 1.76 09/02/1974 2.30 05/13/1975 1.00 09/25/1976 2.02 08/03/1978 1.01 10/30/1979 2.20 05/27/1980 2.20 07/27/1981 1.56 05/13/1983 1.47 08/07/1984 2.20 07/28/1985 0.92 09/29/1986 1.38 03/16/1987 1.01 09/18/1988 1.47 05/15/1990 1.10 09/02/1991 1.01 08/11/1992 3.30 06/26/1993 2.11 04/11/1994 1.28 06/29/1995 1.28 08/25/1996 1.38 09/14/1997 1.10 10/17/1998 1.47 04/21/1999 1.65 05/24/2000 1.74 05/18/2001 1.38 06/15/2002 1.70 04/19/2003 1.01 07/12/2005 2.48 05/29/2006 1.93 05/30/2007 2.02 06/09/2008 1.28 10/29/2009 1.56 05/19/2010 0.73 Duration: 2 hours 09/06/1951 2.21 06/01/1952 1.55 11/18/1953 1.69 06/12/1954 1.78 05/08/1955 1.29 05/25/1956 0.95 05/20/1957 3.00 06/06/1958 1.25 10/01/1959 3.26 05/28/1960 1.15 06/04/1961 2.02 07/09/1962 1.88 08/18/1963 1.31 08/14/1964 1.80 05/06/1965 1.55 07/22/1966 2.00 06/24/1967 1.99 04/03/1968 1.90 04/16/1969 2.34 10/07/1970 0.98 09/04/1971 2.33 08/24/1972 1.31 08/08/1973 2.39 09/02/1974 2.83 05/13/1975 1.60 09/25/1976 2.79 08/03/1978 1.15 10/30/1979 2.69 05/27/1980 2.40 07/27/1981 1.73 05/13/1983 2.40 08/07/1984 2.40 10/18/1985 1.44 09/28/1986 2.02 03/16/1987 1.25 09/18/1988 1.73 05/15/1990 1.44 05/02/1991 1.35 08/11/1992 4.42 06/26/1993 2.50 04/10/1994 1.63 06/08/1995 1.63 08/25/1996 2.21 05/01/1997 1.35 10/17/1998 1.54 06/30/1999 2.02 05/24/2000 1.92 05/18/2001 2.12 06/15/2002 1.78 04/19/2003 1.44 07/12/2005 2.69 06/23/2006 2.50 05/30/2007 2.21 02/05/2008 1.44 10/29/2009 1.64 05/19/2010 1.44 Duration: 3 hours 09/06/1951 2.61 06/01/1952 1.58 11/18/1953 2.09 06/12/1954 1.88 05/08/1955 1.53 06/25/1956 0.97 05/20/1957 3.54 06/06/1958 1.27 10/01/1959 3.32 05/28/1960 1.40 06/04/1961 2.26 07/09/1962 1.92 10/20/1963 1.35 08/14/1964 1.84 05/06/1965 2.18 07/22/1966 2.04 06/24/1967 2.11 04/03/1968 2.08 04/16/1969 2.52 10/07/1970 1.00 09/04/1971 2.63 06/23/1972 1.40 08/08/1973 2.53 09/02/1974 3.04 05/13/1975 1.90 09/25/1976 3.00 05/20/1977 3.10 08/03/1978 1.40 10/30/1979 2.80 05/27/1980 2.70 07/27/1981 1.80 05/13/1983 2.80 08/07/1984 2.50 10/17/1985 1.60 09/29/1986 2.40 03/16/1987 1.50 09/18/1988 1.90 04/16/1990 1.50 05/02/1991 1.50 08/11/1992 4.60 06/26/1993 2.60 04/10/1994 1.80 06/08/1995 1.80 08/25/1996 2.40 02/20/1997 1.50 10/17/1998 1.60 06/30/1999 2.10 05/24/2000 2.00 05/18/2001 2.40 06/15/2002 1.82 04/19/2003 1.50 07/12/2005 2.80 06/23/2006 2.70 05/30/2007 2.40 05/07/2008 1.70 10/29/2009 1.70 05/19/2010 1.50 Duration: 6 hours 09/05/1951 3.35 06/01/1952 1.60 11/18/1953 2.31 06/12/1954 1.90 05/08/1955 2.58 11/04/1956 1.06 05/20/1957 3.90 06/25/1958 2.25 10/01/1959 3.36 10/18/1960 1.90 06/04/1961 2.58 05/28/1962 2.47 09/16/1963 1.79 08/14/1964 2.15 09/20/1965 2.21 07/22/1966 2.80 06/24/1967 2.60 04/03/1968 2.17 04/16/1969 2.67 09/22/1970 1.51 09/04/1971 2.70 06/23/1972 1.52 08/08/1973 3.63 09/02/1974 3.21 10/14/1975 2.60 09/25/1976 3.10 05/20/1977 4.30 02/12/1978 1.70 10/30/1979 2.90 05/27/1980 2.80 07/27/1981 2.80 05/13/1983 3.00 08/07/1984 2.52 10/17/1985 1.90 09/29/1986 3.60 05/27/1987 2.20 09/18/1988 2.30 03/10/1990 1.90 05/02/1991 1.51 08/11/1992 4.80 05/09/1993 3.20 04/10/1994 2.70 06/08/1995 1.90 08/25/1996 2.60 02/20/1997 2.00 10/31/1998 1.80 06/30/1999 2.12 05/24/2000 2.02 05/17/2001 2.80 09/13/2002 2.20 04/19/2003 1.80 08/22/2005 3.70 06/23/2006 2.80 05/30/2007 2.50 06/08/2008 2.50 10/08/2009 2.50 05/19/2010 1.90 Duration: 12 hours 06/28/1948 5.40 09/05/1951 3.45 06/01/1952 1.62 07/11/1953 2.65 06/12/1954 1.92 05/08/1955 2.94 11/04/1956 1.19 05/20/1957 4.80 06/24/1958 2.72 10/01/1959 5.24 07/03/1960 2.83 09/12/1961 4.05 05/28/1962 2.50 07/28/1963 2.04 08/14/1964 2.80 09/20/1965 2.23 07/22/1966 2.83 06/24/1967 2.94 04/03/1968 2.19 05/06/1969 2.72 09/22/1970 2.74 09/04/1971 2.73 06/23/1972 1.54 08/08/1973 4.02 09/01/1974 3.24 10/14/1975 2.90 09/25/1976 3.30 06/21/1978 2.20 10/30/1979 2.93 05/15/1980 2.90 07/27/1981 3.20 05/13/1983 3.03 08/07/1984 2.60 10/17/1985 2.40 09/29/1986 4.40 05/27/1987 3.50 09/18/1988 2.60 03/10/1990 2.00 07/03/1991 1.80 08/11/1992 4.85 04/28/1993 3.30 04/10/1994 3.00 06/08/1995 3.10 08/25/1996 2.63 02/20/1997 2.40 10/31/1998 2.60 04/24/1999 2.14 05/24/2000 2.04 05/17/2001 3.90 09/13/2002 3.00 04/19/2003 1.82 03/04/2004 5.00 08/21/2005 4.30 06/23/2006 2.83 09/07/2007 3.30 06/08/2008 3.70 10/08/2009 3.00 05/19/2010 2.40 Duration: 1 day 08/08/1952 1.45 07/12/1953 2.76 08/31/1954 2.86 05/09/1955 5.90 05/16/1957 4.33 06/25/1958 2.43 10/04/1959 5.53 07/04/1960 3.58 09/13/1961 5.31 06/09/1962 2.93 06/23/1963 2.21 09/11/1964 2.90 05/07/1965 2.04 06/08/1966 2.69 05/06/1967 3.00 07/01/1968 3.17 05/16/1969 3.00 09/23/1970 3.30 06/03/1971 2.66 12/30/1972 1.97 09/27/1973 3.66 11/03/1974 3.88 10/15/1975 2.95 09/26/1976 3.04 05/21/1977 3.93 06/22/1978 2.50 08/25/1979 3.72 05/27/1980 2.68 07/28/1981 3.30 05/17/1982 3.33 05/14/1983 3.21 08/08/1984 2.64 10/18/1985 2.54 10/03/1986 5.71 05/28/1987 4.20 09/19/1988 4.29 03/28/1989 2.43 05/16/1990 2.12 12/20/1991 2.05 08/11/1992 4.38 04/29/1993 4.29 04/11/1994 3.84 06/06/1995 2.86 08/27/1996 2.41 02/21/1997 3.04 11/01/1998 2.77 04/25/1999 2.77 05/25/2000 1.82 05/18/2001 3.48 09/14/2002 3.56 10/09/2003 3.56 03/05/2004 4.82 08/22/2005 3.93 06/24/2006 2.77 08/10/2007 9.20 06/09/2008 3.39 10/09/2009 3.12 05/20/2010 2.41 10/09/2011 3.42 Duration: 2 days 05/17/1952 1.77 07/11/1953 2.98 08/31/1954 3.08 05/09/1955 6.35 09/14/1957 5.01 09/15/1958 2.98 09/24/1959 6.73 07/04/1960 3.86 09/13/1961 5.72 06/08/1962 3.31 06/23/1963 2.73 09/11/1964 3.12 05/07/1965 2.83 06/08/1966 4.33 05/06/1967 3.23 07/01/1968 3.41 05/16/1969 3.23 09/23/1970 3.60 09/24/1971 3.06 10/21/1972 2.55 09/27/1973 3.94 03/10/1974 6.26 06/09/1975 3.37 09/26/1976 3.27 05/20/1977 4.63 06/21/1978 3.61 08/25/1979 4.09 04/25/1980 4.75 07/28/1981 3.94 05/12/1982 3.80 05/13/1983 4.33 08/08/1984 2.84 10/18/1985 2.74 09/29/1986 9.04 05/27/1987 5.19 09/18/1988 4.71 03/27/1989 2.96 05/16/1990 2.28 12/19/1991 2.98 08/11/1992 4.72 05/08/1993 5.67 04/10/1994 4.14 08/03/1995 3.75 08/26/1996 2.69 02/20/1997 3.61 10/31/1998 3.75 04/25/1999 3.56 05/25/2000 3.75 05/18/2001 3.85 09/14/2002 3.83 10/09/2003 3.83 03/04/2004 5.28 08/21/2005 5.19 04/29/2006 3.17 08/10/2007 9.91 06/09/2008 3.83 10/08/2009 3.46 05/19/2010 3.67 10/09/2011 4.34 Duration: 3 days 05/17/1952 1.79 07/10/1953 3.01 08/31/1954 3.11 05/09/1955 6.45 05/26/1956 1.88 09/12/1957 5.06 09/15/1958 3.01 10/02/1959 7.52 07/04/1960 3.90 09/13/1961 5.78 06/08/1962 3.59 07/11/1963 2.92 09/11/1964 3.15 09/19/1965 3.24 06/06/1966 4.37 05/06/1967 3.26 05/07/1968 3.45 05/16/1969 3.39 09/23/1970 3.70 06/01/1971 3.09 10/30/1972 2.57 09/27/1973 3.98 03/09/1974 6.63 06/09/1975 3.43 09/26/1976 3.31 05/21/1977 4.67 06/21/1978 3.65 08/25/1979 4.13 04/24/1980 5.29 07/28/1981 4.15 05/12/1982 3.84 05/13/1983 4.37 08/08/1984 2.87 06/05/1985 2.85 09/29/1986 9.13 05/27/1987 5.24 09/18/1988 4.76 03/27/1989 2.99 05/16/1990 2.31 09/01/1991 3.04 08/11/1992 4.76 05/08/1993 5.73 04/28/1994 4.86 06/04/1995 4.57 08/26/1996 2.72 02/20/1997 3.65 10/31/1998 4.07 04/25/1999 3.59 05/25/2000 4.00 05/18/2001 3.89 09/14/2002 3.87 10/09/2003 3.87 06/20/2004 5.84 08/21/2005 5.68 04/29/2006 3.25 08/10/2007 10.01 06/09/2008 3.87 10/08/2009 3.49 05/19/2010 3.71 10/09/2011 4.38 Duration: 4 days 05/17/1952 1.81 07/10/1953 3.04 08/31/1954 3.14 05/09/1955 6.51 05/25/1956 2.17 09/12/1957 6.71 09/15/1958 3.04 10/02/1959 7.85 07/04/1960 3.94 09/13/1961 5.84 06/07/1962 3.84 07/11/1963 2.95 08/15/1964 3.18 09/19/1965 3.27 06/06/1966 4.41 05/06/1967 3.29 05/07/1968 3.48 05/16/1969 3.42 09/23/1970 3.74 06/01/1971 3.12 10/30/1972 2.60 09/27/1973 4.02 03/09/1974 6.70 06/07/1975 3.70 09/26/1976 3.34 05/20/1977 5.35 06/19/1978 4.36 08/22/1979 4.33 04/24/1980 5.34 07/28/1981 4.19 05/17/1982 4.15 05/11/1983 4.65 08/08/1984 3.88 06/05/1985 2.88 09/30/1986 9.22 05/27/1987 5.29 09/16/1988 5.76 06/23/1989 3.11 05/16/1990 2.33 09/01/1991 3.07 08/11/1992 4.81 04/29/1993 5.99 04/28/1994 4.91 06/03/1995 4.93 08/26/1996 2.75 02/20/1997 3.69 10/02/1998 4.22 04/22/1999 4.30 05/25/2000 4.04 05/18/2001 3.93 09/14/2002 3.91 10/09/2003 3.91 06/19/2004 5.90 08/21/2005 6.11 08/24/2006 3.68 08/10/2007 10.11 06/06/2008 4.39 10/09/2009 3.53 05/19/2010 3.75 10/09/2011 5.76 Duration: 7 days 08/03/1952 1.84 07/07/1953 3.20 08/31/1954 3.17 05/06/1955 6.65 05/25/1956 2.31 09/12/1957 6.78 09/10/1958 3.29 09/30/1959 8.15 08/25/1960 4.65 06/03/1961 5.95 06/03/1962 4.07 07/07/1963 3.14 05/06/1964 4.01 05/14/1965 3.57 07/20/1966 4.46 05/06/1967 3.33 05/07/1968 3.91 05/12/1969 3.82 09/17/1970 3.98 06/03/1971 3.38 12/30/1972 2.86 09/22/1973 4.06 03/09/1974 6.77 06/05/1975 4.26 09/26/1976 3.38 05/17/1977 6.48 06/19/1978 4.40 08/21/1979 5.52 06/17/1980 5.71 07/28/1981 4.23 05/12/1982 7.44 05/13/1983 5.15 08/08/1984 3.92 06/05/1985 3.86 09/29/1986 12.16 05/24/1987 6.57 09/16/1988 5.82 03/27/1989 3.35 02/22/1990 2.36 08/30/1991 3.82 08/05/1992 5.65 04/29/1993 6.05 04/26/1994 5.46 05/31/1995 5.77 07/10/1996 3.37 02/20/1997 3.84 10/29/1998 4.28 04/22/1999 5.49 05/22/2000 4.17 05/18/2001 4.06 09/14/2002 4.77 10/05/2003 3.95 06/18/2004 5.98 08/21/2005 6.17 08/22/2006 3.88 08/10/2007 10.21 06/06/2008 4.71 10/04/2009 3.59 05/14/2010 3.80 10/07/2011 5.83 Duration: 10 days 07/31/1952 1.96 07/07/1953 3.23 08/22/1954 3.21 05/18/1955 8.67 05/25/1956 2.82 06/18/1957 7.83 06/16/1958 4.75 09/25/1959 10.59 05/28/1960 6.21 09/04/1961 6.74 06/01/1962 5.85 06/16/1963 3.57 05/02/1964 4.70 05/07/1965 4.02 07/20/1966 4.50 05/06/1967 5.16 05/07/1968 5.22 05/07/1969 5.37 09/15/1970 4.35 09/17/1971 5.42 12/30/1972 3.23 03/02/1973 4.30 10/25/1974 8.24 06/05/1975 4.30 09/26/1976 3.75 05/17/1977 6.54 05/20/1978 4.45 08/25/1979 5.73 04/24/1980 5.83 07/28/1981 4.27 05/12/1982 8.26 05/13/1983 7.71 03/19/1984 3.96 06/02/1985 4.27 09/26/1986 12.28 05/20/1987 7.18 09/16/1988 6.03 06/04/1989 4.52 04/24/1990 3.22 08/30/1991 3.91 08/04/1992 7.24 05/02/1993 7.26 04/22/1994 6.32 05/30/1995 5.96 07/25/1996 3.71 04/04/1997 4.28 10/31/1998 4.56 04/22/1999 5.54 05/25/2000 4.46 05/18/2001 4.10 09/14/2002 4.82 09/30/2003 5.04 06/20/2004 6.24 08/14/2005 7.46 06/17/2006 4.66 08/10/2007 10.31 06/09/2008 5.47 08/11/2009 5.44 05/13/2010 4.57 10/07/2011 5.89 Duration: 20 days 05/17/1952 3.23 07/07/1953 4.44 08/22/1954 3.50 05/09/1955 15.12 05/15/1956 3.17 06/09/1957 11.70 06/07/1958 5.60 09/24/1959 14.10 05/18/1960 8.03 09/04/1961 7.62 05/26/1962 6.85 07/11/1963 4.84 08/07/1964 5.25 05/07/1965 5.98 05/21/1966 4.62 05/06/1967 5.62 05/07/1968 6.51 04/27/1969 6.87 09/23/1970 5.26 09/06/1971 6.32 10/21/1972 4.30 09/27/1973 5.52 10/25/1974 9.36 05/23/1975 6.84 09/09/1976 4.86 05/17/1977 8.51 05/20/1978 6.25 08/21/1979 8.43 05/12/1980 7.74 07/28/1981 6.00 05/12/1982 10.61 05/13/1983 9.21 03/12/1984 5.59 09/10/1985 5.34 09/26/1986 13.48 05/20/1987 7.99 09/16/1988 6.71 06/04/1989 7.09 04/27/1990 3.91 08/30/1991 6.93 08/04/1992 7.78 04/29/1993 13.14 04/11/1994 10.05 05/25/1995 8.09 07/23/1996 6.19 04/04/1997 4.48 09/16/1998 7.19 04/22/1999 7.92 06/14/2000 5.95 05/18/2001 6.84 09/14/2002 4.82 09/30/2003 5.04 06/03/2004 8.10 08/06/2005 9.44 06/13/2006 4.81 06/11/2007 11.55 06/06/2008 7.03 08/01/2009 6.55 05/01/2010 5.22 05/12/2011 5.89 Duration: 30 days 07/07/1953 5.84 08/02/1954 4.69 05/06/1955 15.32 05/14/1956 3.71 05/30/1957 14.10 05/30/1958 6.29 09/24/1959 14.10 05/18/1960 8.82 09/13/1961 10.40 05/26/1962 7.66 06/16/1963 6.81 08/13/1964 7.55 05/07/1965 8.15 08/19/1966 5.19 05/06/1967 7.32 04/17/1968 8.35 04/17/1969 8.71 09/15/1970 5.91 09/06/1971 6.32 10/21/1972 5.32 09/05/1973 6.23 02/15/1974 10.01 05/13/1975 8.44 09/01/1976 6.28 05/04/1977 9.19 05/26/1978 8.98 08/11/1979 9.21 04/24/1980 10.59 05/09/1981 7.08 04/29/1982 13.05 05/13/1983 10.66 03/12/1984 7.33 09/21/1985 7.20 09/26/1986 15.82 05/22/1987 10.59 09/16/1988 6.91 06/01/1989 8.95 04/19/1990 5.67 08/21/1991 7.78 08/04/1992 10.40 04/29/1993 13.19 04/10/1994 11.17 05/08/1995 9.33 07/10/1996 8.00 04/04/1997 7.21 09/21/1998 9.63 04/22/1999 9.59 05/25/2000 8.38 05/18/2001 8.02 08/22/2002 5.81 09/13/2003 6.81 06/03/2004 9.39 08/06/2005 9.70 05/30/2006 7.56 08/10/2007 13.91 05/23/2008 8.95 07/29/2009 8.60 05/19/2010 8.12 09/16/2011 7.52 Duration: 45 days 04/22/1952 4.19 06/23/1953 6.64 05/02/1954 5.71 05/06/1955 19.17 05/15/1956 4.69 05/14/1957 20.17 08/17/1958 7.26 08/31/1959 15.77 05/28/1960 11.64 09/04/1961 11.83 05/27/1962 9.23 06/16/1963 8.63 08/07/1964 9.71 05/07/1965 9.29 07/22/1966 7.44 05/06/1967 9.69 03/31/1968 10.99 05/04/1969 10.26 09/15/1970 6.82 09/17/1971 8.30 10/21/1972 5.91 08/30/1973 7.94 09/20/1974 11.46 04/28/1975 11.16 04/15/1976 7.57 04/17/1977 10.58 05/20/1978 10.61 07/25/1979 9.69 04/24/1980 13.57 05/17/1981 8.93 04/29/1982 14.58 05/13/1983 11.73 03/17/1984 8.15 09/10/1985 8.70 09/29/1986 18.29 05/20/1987 12.15 03/02/1988 7.54 05/13/1989 11.13 04/19/1990 7.31 08/09/1991 8.37 07/14/1992 12.93 04/04/1993 15.15 04/10/1994 11.68 04/23/1995 11.88 07/14/1996 9.63 04/04/1997 8.07 09/21/1998 13.97 04/22/1999 11.99 05/22/2000 10.58 05/18/2001 10.41 09/14/2002 8.86 05/15/2003 7.31 06/03/2004 9.96 08/06/2005 12.30 05/30/2006 9.23 05/31/2007 18.43 05/08/2008 12.75 07/28/2009 10.21 05/10/2010 9.11 05/12/2011 8.31 Duration: 60 days 04/09/1952 5.22 07/07/1953 8.42 04/22/1954 6.72 05/09/1955 21.48 05/25/1956 5.66 05/03/1957 23.71 07/23/1958 9.37 09/04/1959 16.64 05/18/1960 13.53 09/04/1961 14.25 05/27/1962 10.49 05/20/1963 10.22 08/07/1964 10.80 04/25/1965 10.86 07/20/1966 9.05 05/06/1967 12.29 05/07/1968 12.60 04/15/1969 13.26 09/03/1970 7.39 09/06/1971 9.20 10/21/1972 6.63 03/02/1973 8.58 09/16/1974 12.85 04/27/1975 12.31 09/01/1976 8.17 05/04/1977 11.56 05/01/1978 12.96 07/17/1979 10.51 04/24/1980 19.28 05/05/1981 11.74 04/25/1982 16.21 05/11/1983 12.81 03/12/1984 9.41 04/27/1985 10.16 09/29/1986 19.58 05/20/1987 12.15 03/02/1988 10.54 05/03/1989 12.72 04/10/1990 8.94 08/30/1991 9.43 07/14/1992 15.41 04/29/1993 16.76 04/10/1994 14.21 04/17/1995 14.19 07/10/1996 12.37 04/04/1997 8.91 09/14/1998 15.11 04/15/1999 15.61 05/25/2000 12.49 05/05/2001 11.58 07/23/2002 10.78 04/16/2003 8.75 06/18/2004 12.29 07/02/2005 15.26 04/29/2006 11.37 06/13/2007 23.27 04/24/2008 14.50 08/11/2009 11.49 05/10/2010 12.47 04/24/2011 9.63