Precipitation annual maximum series (inches) Station ID: 13-2203 Station name: DES MOINES AP State: IA Latitude (decimal degrees): 41.5339 Longitude (decimal degrees): -93.6531 Elevation (feet): 957 Duration: 1 hour 06/01/1949 0.58 04/22/1950 1.33 05/25/1951 0.95 08/28/1952 0.82 05/24/1953 0.90 08/21/1954 1.49 07/10/1955 1.15 10/13/1956 0.51 07/27/1957 1.08 07/02/1958 1.93 06/29/1959 1.06 08/05/1960 1.53 09/22/1961 1.48 06/10/1962 1.57 10/17/1963 1.34 07/11/1964 0.82 09/20/1965 0.98 07/22/1966 0.71 06/09/1967 1.22 07/23/1968 1.33 06/11/1969 1.04 08/04/1970 1.00 06/06/1971 0.61 08/01/1972 1.80 09/28/1973 1.66 06/08/1974 1.36 08/27/1975 1.94 06/12/1976 1.74 08/26/1977 1.84 09/13/1978 0.81 06/27/1979 1.52 08/30/1980 0.82 08/14/1981 2.27 08/04/1982 1.42 06/29/1983 0.80 09/13/1984 1.29 10/11/1985 0.95 06/04/1986 1.22 07/12/1987 1.99 07/17/1988 1.39 07/18/1989 1.73 06/30/1990 1.34 08/07/1991 0.98 07/13/1992 0.83 08/29/1993 1.22 06/23/1994 0.91 05/09/1995 1.15 07/17/1996 0.84 05/07/1997 0.98 06/18/1998 2.15 08/22/1999 0.78 07/05/2000 0.98 05/13/2001 1.12 06/12/2002 1.66 11/03/2003 0.83 08/03/2004 1.94 06/08/2005 0.76 06/24/2006 1.38 06/22/2007 1.11 06/05/2008 1.95 05/13/2009 0.71 06/27/2010 1.73 Duration: 2 hours 10/19/1949 0.76 04/22/1950 1.54 07/02/1951 1.47 08/28/1952 1.31 06/27/1953 1.27 08/21/1954 2.02 07/10/1955 1.48 10/13/1956 0.89 07/27/1957 1.13 07/02/1958 2.49 06/29/1959 2.06 08/05/1960 1.64 09/22/1961 1.69 06/10/1962 1.65 10/17/1963 1.40 06/22/1964 0.98 06/29/1965 1.65 07/22/1966 0.80 06/09/1967 1.34 08/08/1968 1.70 06/11/1969 1.09 09/09/1970 1.61 08/02/1971 0.96 09/10/1972 2.02 07/03/1973 2.43 06/08/1974 1.72 08/27/1975 3.20 06/27/1976 2.22 08/26/1977 2.68 08/26/1978 1.14 06/27/1979 1.72 08/30/1980 1.02 06/23/1981 2.58 08/04/1982 1.55 09/19/1983 1.13 07/26/1984 1.72 10/11/1985 1.02 08/13/1986 1.51 07/12/1987 2.17 07/17/1988 1.64 07/18/1989 1.92 06/30/1990 1.40 08/07/1991 1.34 07/13/1992 1.21 08/29/1993 2.06 07/01/1994 1.09 05/09/1995 1.70 05/09/1996 1.49 06/30/1997 1.34 06/18/1998 2.25 08/11/1999 1.05 06/13/2000 1.03 05/13/2001 1.29 07/10/2002 2.09 11/03/2003 1.36 08/03/2004 2.29 05/12/2005 1.07 06/24/2006 1.45 06/22/2007 1.51 06/05/2008 2.93 05/13/2009 0.74 08/08/2010 2.42 Duration: 3 hours 07/20/1949 0.84 05/20/1950 1.60 07/02/1951 1.70 08/28/1952 1.35 05/24/1953 1.37 08/21/1954 2.19 07/10/1955 1.52 10/13/1956 1.11 07/27/1957 1.15 07/02/1958 2.72 06/29/1959 2.36 05/25/1960 1.99 09/12/1961 1.87 06/10/1962 1.68 10/17/1963 1.43 07/11/1964 1.10 06/29/1965 1.81 07/22/1966 0.87 06/09/1967 1.37 08/08/1968 1.75 05/21/1969 1.35 09/09/1970 1.64 06/29/1971 1.03 08/05/1972 2.34 09/28/1973 2.89 06/08/1974 2.62 08/27/1975 3.92 06/27/1976 2.26 08/26/1977 3.48 08/26/1978 1.23 06/27/1979 1.96 08/16/1980 1.23 06/23/1981 2.63 08/04/1982 1.69 09/19/1983 1.39 07/26/1984 2.12 10/11/1985 1.04 08/13/1986 2.24 07/12/1987 2.26 07/17/1988 1.89 07/18/1989 2.04 06/16/1990 1.47 08/07/1991 1.46 07/13/1992 1.25 08/29/1993 2.46 09/04/1994 1.42 05/09/1995 1.84 07/17/1996 2.07 06/30/1997 1.44 06/18/1998 2.30 08/11/1999 1.13 06/13/2000 1.16 05/13/2001 1.50 07/10/2002 2.13 11/03/2003 1.66 08/03/2004 2.40 05/12/2005 1.30 06/24/2006 1.48 09/06/2007 1.89 06/05/2008 3.39 04/26/2009 0.85 08/08/2010 2.99 Duration: 6 hours 07/20/1949 1.02 05/20/1950 1.85 07/02/1951 2.01 11/16/1952 1.50 05/24/1953 1.38 08/25/1954 2.98 07/10/1955 1.54 10/13/1956 1.14 07/27/1957 1.17 07/01/1958 2.92 06/29/1959 2.55 05/25/1960 2.05 09/12/1961 2.56 06/10/1962 2.60 08/05/1963 1.45 06/14/1964 1.49 06/29/1965 1.88 05/23/1966 1.07 06/09/1967 1.88 08/08/1968 1.78 06/11/1969 1.97 08/04/1970 2.26 06/29/1971 1.48 09/10/1972 2.55 09/28/1973 3.01 06/08/1974 3.15 08/27/1975 5.20 06/27/1976 2.98 08/25/1977 4.48 04/17/1978 1.67 06/27/1979 2.24 08/16/1980 1.93 06/23/1981 2.66 08/04/1982 1.87 08/30/1983 1.78 07/14/1984 2.73 08/22/1985 1.19 08/13/1986 2.81 07/12/1987 2.28 07/17/1988 2.01 07/17/1989 2.14 06/16/1990 2.59 08/07/1991 1.73 07/13/1992 1.28 08/29/1993 2.97 09/04/1994 1.98 05/09/1995 1.86 07/17/1996 2.82 06/30/1997 1.45 06/18/1998 2.40 08/11/1999 1.19 06/13/2000 1.52 05/13/2001 1.91 07/10/2002 2.58 11/03/2003 2.02 08/03/2004 2.53 06/25/2005 1.56 11/27/2006 1.49 09/06/2007 2.12 06/05/2008 3.57 04/26/2009 1.41 08/08/2010 3.37 Duration: 12 hours 07/20/1949 1.06 05/20/1950 2.07 07/02/1951 2.68 11/16/1952 2.74 06/27/1953 1.83 08/25/1954 3.04 07/10/1955 1.56 10/13/1956 1.15 05/09/1957 1.35 07/01/1958 4.92 06/29/1959 2.94 05/24/1960 2.19 09/12/1961 3.46 06/10/1962 2.63 08/05/1963 2.21 06/22/1964 1.61 09/20/1965 1.96 05/23/1966 1.37 06/09/1967 1.90 08/08/1968 1.80 06/11/1969 2.20 08/04/1970 2.30 11/01/1971 1.90 09/10/1972 2.61 09/28/1973 3.04 06/08/1974 3.66 08/27/1975 6.18 06/27/1976 3.01 08/25/1977 4.67 09/19/1978 2.02 06/27/1979 2.26 08/15/1980 2.15 07/03/1981 3.18 07/06/1982 1.89 08/30/1983 1.80 07/14/1984 2.76 09/22/1985 1.62 08/13/1986 3.06 07/12/1987 2.31 06/07/1988 2.35 07/17/1989 2.16 06/16/1990 3.64 08/07/1991 2.02 07/13/1992 1.65 09/25/1993 3.25 09/04/1994 2.00 05/09/1995 1.88 07/17/1996 2.85 06/29/1997 1.75 06/18/1998 2.45 08/11/1999 1.62 06/13/2000 2.38 09/07/2001 2.14 07/10/2002 2.61 11/03/2003 2.48 08/03/2004 2.56 05/10/2005 2.11 11/27/2006 2.04 09/06/2007 2.14 06/05/2008 3.61 04/26/2009 1.89 08/08/2010 3.40 Duration: 1 day 04/06/1938 2.25 08/10/1939 2.16 08/13/1940 3.24 10/04/1941 2.07 07/14/1942 3.64 05/15/1943 2.52 06/11/1944 2.49 09/27/1945 3.25 08/21/1946 2.92 06/04/1947 3.55 11/19/1948 2.47 01/27/1949 1.33 05/20/1950 1.92 07/02/1951 2.39 05/22/1952 2.99 06/27/1953 1.67 05/31/1954 2.71 07/10/1955 1.39 10/13/1956 1.03 05/10/1957 2.05 07/02/1958 4.60 06/29/1959 4.34 05/25/1960 2.65 09/12/1961 3.99 06/10/1962 2.35 08/05/1963 2.65 06/22/1964 2.04 06/29/1965 1.83 05/11/1966 1.80 06/09/1967 1.96 08/08/1968 1.74 06/11/1969 2.32 05/13/1970 2.42 11/01/1971 1.83 08/01/1972 2.64 09/28/1973 2.74 04/28/1974 3.39 08/27/1975 5.52 04/17/1976 2.75 08/26/1977 4.18 04/17/1978 2.00 06/27/1979 2.02 08/16/1980 1.94 07/03/1981 2.84 08/04/1982 2.15 08/30/1983 1.75 07/14/1984 2.46 08/22/1985 1.96 06/29/1986 3.25 08/25/1987 3.10 07/09/1988 2.10 09/08/1989 2.78 06/16/1990 3.85 04/18/1991 2.29 07/13/1992 2.30 09/25/1993 3.58 09/04/1994 1.79 05/09/1995 2.27 07/17/1996 2.54 10/12/1997 1.75 06/18/1998 2.19 05/11/1999 1.77 06/13/2000 2.12 09/07/2001 2.78 07/10/2002 2.69 11/03/2003 3.55 05/22/2004 3.21 05/12/2005 2.13 09/10/2006 1.88 10/14/2007 1.95 06/05/2008 3.83 04/26/2009 2.51 08/08/2010 3.04 Duration: 2 days 04/06/1938 2.91 08/10/1939 2.33 08/13/1940 3.49 06/01/1941 2.76 07/13/1942 3.92 05/15/1943 2.71 08/25/1944 2.98 09/27/1945 3.68 08/20/1946 3.14 06/04/1947 3.82 11/18/1948 2.66 06/23/1949 1.91 05/20/1950 2.09 07/02/1951 2.58 11/16/1952 3.22 06/27/1953 1.80 08/25/1954 3.01 07/09/1955 2.28 05/09/1957 2.21 07/01/1958 4.99 06/29/1959 5.32 05/24/1960 2.95 09/12/1961 4.74 06/09/1962 2.88 08/05/1963 3.16 06/14/1964 2.25 09/20/1965 2.27 05/10/1966 2.03 06/09/1967 2.13 08/07/1968 1.98 06/11/1969 2.67 05/12/1970 2.88 11/01/1971 1.97 09/10/1972 3.66 07/01/1973 3.29 04/28/1974 3.65 08/27/1975 6.42 04/23/1976 3.13 08/26/1977 6.28 04/17/1978 2.57 06/27/1979 2.36 08/16/1980 2.33 07/03/1981 3.06 04/15/1982 2.65 10/10/1983 2.07 07/14/1984 2.65 09/22/1985 2.28 06/29/1986 3.50 08/25/1987 4.47 06/07/1988 2.26 09/07/1989 4.48 06/15/1990 4.61 04/17/1991 2.61 07/12/1992 2.94 08/28/1993 4.32 09/04/1994 1.93 05/08/1995 3.65 07/16/1996 3.32 06/29/1997 2.25 06/17/1998 4.05 05/11/1999 2.08 06/12/2000 2.40 09/06/2001 3.54 07/10/2002 3.22 11/02/2003 4.00 05/22/2004 3.51 05/11/2005 4.22 04/29/2006 2.21 04/24/2007 2.69 06/04/2008 4.70 04/25/2009 3.71 08/08/2010 5.24 Duration: 3 days 04/05/1938 3.15 08/08/1939 2.51 08/11/1940 3.96 09/13/1941 3.57 07/13/1942 3.96 05/15/1943 2.74 08/25/1944 3.04 09/26/1945 3.96 08/21/1946 3.18 06/04/1947 3.87 11/18/1948 2.69 06/23/1949 1.99 05/19/1950 2.25 07/02/1951 2.68 11/16/1952 3.35 06/25/1953 2.00 08/21/1954 4.12 07/08/1955 2.37 08/16/1956 1.60 05/09/1957 2.30 07/01/1958 6.20 06/29/1959 5.53 05/24/1960 3.09 09/11/1961 5.02 06/08/1962 3.00 08/05/1963 3.29 06/20/1964 2.79 09/18/1965 2.76 05/10/1966 2.11 06/07/1967 2.75 08/07/1968 2.06 06/11/1969 2.78 05/12/1970 3.01 10/30/1971 2.35 09/10/1972 4.00 07/01/1973 5.77 04/26/1974 3.82 08/27/1975 6.88 06/26/1976 3.26 08/26/1977 7.67 09/18/1978 2.71 06/27/1979 2.45 08/14/1980 2.67 07/03/1981 3.18 04/15/1982 2.76 11/01/1983 2.31 07/14/1984 2.83 09/21/1985 2.56 06/29/1986 3.64 08/24/1987 4.67 06/07/1988 2.35 09/07/1989 4.66 06/15/1990 4.86 04/17/1991 2.76 07/12/1992 3.06 08/28/1993 4.75 09/04/1994 1.98 05/07/1995 3.80 07/16/1996 3.35 04/30/1997 2.61 06/17/1998 4.21 05/11/1999 2.16 06/23/2000 3.41 09/06/2001 3.68 07/10/2002 3.29 11/02/2003 4.65 05/22/2004 4.70 05/10/2005 4.42 04/28/2006 2.33 04/24/2007 2.87 06/03/2008 5.67 04/25/2009 3.91 08/08/2010 5.74 Duration: 4 days 04/05/1938 3.18 08/07/1939 2.76 08/10/1940 5.23 09/13/1941 3.60 07/13/1942 4.00 07/31/1943 3.30 06/08/1944 5.06 09/27/1945 4.48 08/21/1946 4.21 06/01/1947 4.14 11/16/1948 2.72 06/23/1949 2.01 06/15/1950 2.83 07/02/1951 2.71 11/16/1952 3.38 06/24/1953 2.06 08/23/1954 4.57 07/08/1955 2.39 08/16/1956 1.62 05/09/1957 2.65 07/01/1958 6.26 06/27/1959 5.59 01/11/1960 3.81 09/11/1961 5.07 05/26/1962 3.22 08/05/1963 3.32 06/19/1964 2.93 09/18/1965 2.99 05/08/1966 2.32 06/09/1967 3.37 08/07/1968 2.08 06/11/1969 2.81 08/04/1970 3.76 10/29/1971 3.37 09/10/1972 4.31 07/01/1973 5.93 06/06/1974 3.86 08/24/1975 7.77 04/17/1976 4.15 08/25/1977 8.17 09/17/1978 3.90 08/19/1979 2.72 08/14/1980 2.92 07/03/1981 3.21 04/15/1982 2.79 10/31/1983 2.82 06/06/1984 3.37 09/20/1985 2.90 06/27/1986 3.68 08/24/1987 4.72 08/19/1988 2.58 09/07/1989 4.71 06/16/1990 5.72 05/14/1991 2.88 07/12/1992 3.12 08/28/1993 4.80 09/01/1994 2.00 05/07/1995 3.84 07/17/1996 3.39 04/30/1997 2.64 06/17/1998 4.43 05/11/1999 2.22 06/23/2000 3.44 09/06/2001 3.87 07/10/2002 3.32 11/01/2003 4.70 05/22/2004 4.75 05/10/2005 4.54 04/28/2006 2.35 10/14/2007 3.11 06/05/2008 6.78 04/25/2009 3.95 08/08/2010 6.50 Duration: 7 days 04/05/1938 3.21 08/06/1939 2.97 08/09/1940 6.47 09/09/1941 4.27 05/05/1942 4.52 07/28/1943 3.91 06/07/1944 5.22 09/26/1945 4.77 08/20/1946 4.26 05/30/1947 4.46 07/20/1948 3.11 06/20/1949 2.56 06/12/1950 4.11 07/02/1951 3.08 06/20/1952 4.09 06/27/1953 2.49 08/21/1954 7.68 07/04/1955 3.68 08/12/1956 2.00 05/09/1957 3.25 07/01/1958 6.32 06/29/1959 5.65 01/11/1960 4.11 09/11/1961 5.12 05/25/1962 3.25 07/31/1963 3.59 06/09/1964 3.49 06/26/1965 3.56 05/10/1966 2.96 06/05/1967 4.65 04/18/1968 3.18 06/07/1969 3.58 08/02/1970 4.10 10/27/1971 3.78 08/01/1972 5.21 06/30/1973 6.04 06/06/1974 3.90 08/24/1975 8.47 04/17/1976 6.16 08/25/1977 10.97 09/13/1978 4.60 08/21/1979 3.22 08/11/1980 3.93 06/29/1981 3.72 06/30/1982 4.01 09/14/1983 3.43 06/09/1984 5.44 09/23/1985 3.35 06/29/1986 4.24 08/20/1987 4.86 08/22/1988 2.61 08/23/1989 5.75 06/15/1990 6.68 04/12/1991 4.81 07/09/1992 3.33 08/23/1993 5.79 08/30/1994 2.91 05/03/1995 4.13 07/17/1996 3.42 06/24/1997 3.42 06/14/1998 5.90 05/11/1999 3.72 06/23/2000 3.66 09/06/2001 3.91 07/05/2002 3.36 04/28/2003 6.29 05/17/2004 5.76 05/10/2005 4.58 04/25/2006 2.81 10/12/2007 3.58 06/03/2008 8.45 04/25/2009 4.45 08/08/2010 6.56 Duration: 10 days 03/29/1938 3.89 08/01/1939 4.18 08/08/1940 6.74 06/01/1941 5.13 05/02/1942 5.55 07/28/1943 3.95 06/04/1944 5.76 09/21/1945 5.52 08/16/1946 5.04 05/27/1947 6.94 07/20/1948 4.73 06/20/1949 2.78 06/09/1950 4.58 07/02/1951 3.78 06/20/1952 5.16 06/24/1953 2.68 08/17/1954 8.48 07/04/1955 3.72 08/12/1956 2.02 05/09/1957 3.57 07/01/1958 6.39 06/29/1959 6.01 05/16/1960 5.04 09/03/1961 5.62 05/21/1962 4.00 07/31/1963 3.63 06/13/1964 5.34 09/18/1965 3.83 05/08/1966 3.63 06/05/1967 5.68 04/14/1968 3.58 06/04/1969 3.68 07/29/1970 4.23 10/23/1971 3.82 07/31/1972 5.26 06/26/1973 6.10 04/20/1974 4.97 08/22/1975 8.55 04/17/1976 7.39 08/25/1977 11.42 09/13/1978 6.12 08/18/1979 4.55 08/10/1980 4.09 06/24/1981 4.67 06/27/1982 4.70 10/31/1983 3.83 06/06/1984 6.58 09/20/1985 5.26 06/29/1986 5.06 08/18/1987 5.03 07/09/1988 4.45 08/23/1989 5.96 06/13/1990 6.91 04/11/1991 5.17 11/18/1992 3.65 08/22/1993 6.12 08/26/1994 2.99 05/03/1995 4.45 07/17/1996 3.46 04/30/1997 4.42 06/11/1998 7.67 05/11/1999 3.87 06/04/2000 3.83 09/07/2001 4.09 07/04/2002 3.46 04/29/2003 7.52 05/17/2004 6.95 05/10/2005 4.76 08/09/2006 3.03 10/08/2007 4.01 06/03/2008 10.24 04/20/2009 4.49 08/02/2010 8.42 Duration: 20 days 03/28/1938 5.42 06/18/1939 5.81 08/08/1940 9.52 08/31/1941 7.15 04/30/1942 6.98 07/16/1943 6.29 05/24/1944 6.37 09/11/1945 5.65 08/05/1946 6.06 05/17/1947 8.78 07/13/1948 6.76 06/12/1949 4.20 04/22/1950 5.43 05/19/1951 5.54 06/20/1952 6.85 06/25/1953 3.64 08/07/1954 10.06 06/24/1955 4.74 07/31/1956 3.69 05/29/1957 4.47 07/01/1958 9.52 06/29/1959 6.63 05/06/1960 6.54 09/03/1961 7.85 05/22/1962 7.73 04/16/1963 5.11 06/09/1964 6.49 09/02/1965 5.87 05/08/1966 5.37 05/27/1967 7.93 07/23/1968 4.20 06/11/1969 6.42 09/06/1970 6.24 10/18/1971 5.24 07/17/1972 10.15 07/01/1973 8.17 04/28/1974 7.61 08/18/1975 9.87 04/14/1976 7.77 08/21/1977 12.61 09/13/1978 6.93 08/18/1979 5.56 05/30/1980 5.66 06/14/1981 7.45 06/30/1982 7.56 10/15/1983 5.46 05/25/1984 8.52 09/22/1985 7.21 06/27/1986 6.86 08/07/1987 9.94 07/09/1988 4.78 08/23/1989 11.34 06/16/1990 9.77 04/11/1991 6.96 07/12/1992 6.62 08/10/1993 10.28 06/05/1994 4.06 04/25/1995 7.02 07/17/1996 4.51 04/20/1997 5.03 06/01/1998 9.36 05/04/1999 5.40 06/23/2000 6.73 04/30/2001 5.19 04/23/2002 3.85 04/19/2003 9.18 05/13/2004 8.50 05/10/2005 5.17 07/25/2006 5.08 08/05/2007 6.22 05/24/2008 12.74 04/26/2009 5.85 06/08/2010 10.81 Duration: 30 days 04/05/1938 6.52 06/07/1939 7.72 07/29/1940 11.15 09/07/1941 9.43 06/20/1942 9.19 07/28/1943 8.64 05/15/1944 10.15 03/14/1945 7.08 08/16/1946 6.51 05/25/1947 11.65 07/13/1948 7.23 06/23/1949 4.91 04/22/1950 7.80 05/09/1951 7.24 06/20/1952 7.57 06/03/1953 4.65 07/30/1954 10.57 06/11/1955 5.07 08/07/1956 4.44 05/09/1957 5.93 07/01/1958 10.51 06/29/1959 6.85 04/28/1960 8.48 09/01/1961 10.19 05/18/1962 7.99 04/17/1963 6.65 06/12/1964 8.67 08/29/1965 7.83 05/10/1966 7.45 05/27/1967 9.04 06/24/1968 5.95 06/11/1969 8.16 09/09/1970 8.36 10/18/1971 5.47 07/11/1972 11.04 06/30/1973 9.21 05/11/1974 10.37 08/10/1975 10.70 04/17/1976 9.42 08/05/1977 14.05 08/24/1978 8.53 06/04/1979 6.08 08/04/1980 7.22 06/07/1981 8.14 06/25/1982 8.36 10/11/1983 7.87 05/18/1984 12.41 09/20/1985 8.66 06/14/1986 8.24 08/08/1987 10.44 06/22/1988 5.03 08/14/1989 11.67 06/15/1990 14.08 04/08/1991 9.22 07/09/1992 7.80 07/31/1993 12.90 05/25/1994 5.43 04/10/1995 8.96 07/12/1996 5.03 06/21/1997 6.21 05/20/1998 12.17 04/22/1999 6.33 06/13/2000 9.19 05/03/2001 7.47 04/18/2002 5.01 04/16/2003 10.28 05/17/2004 9.58 04/19/2005 7.14 07/21/2006 7.00 08/04/2007 7.08 05/28/2008 13.95 04/18/2009 6.88 05/30/2010 13.55 Duration: 45 days 04/05/1938 9.17 06/28/1939 8.29 07/26/1940 12.36 08/31/1941 12.19 06/06/1942 12.08 07/13/1943 11.13 04/30/1944 12.56 03/05/1945 9.80 08/16/1946 8.09 05/15/1947 13.93 06/20/1948 9.06 06/12/1949 6.70 05/08/1950 9.43 04/24/1951 10.09 06/20/1952 8.95 05/20/1953 6.42 07/17/1954 11.48 05/28/1955 6.02 07/28/1956 5.79 05/09/1957 8.55 06/07/1958 12.86 04/17/1959 9.95 05/05/1960 9.99 09/01/1961 12.50 04/27/1962 11.05 04/16/1963 7.96 06/09/1964 9.78 08/18/1965 8.77 04/29/1966 9.76 05/27/1967 9.29 06/25/1968 7.92 06/04/1969 10.24 09/09/1970 10.95 05/18/1971 6.59 07/12/1972 12.22 05/21/1973 10.89 04/28/1974 14.87 08/05/1975 11.00 04/14/1976 10.60 08/04/1977 15.58 08/21/1978 9.49 06/04/1979 7.61 08/04/1980 8.13 07/03/1981 10.12 06/27/1982 11.42 10/10/1983 10.68 05/03/1984 12.84 09/20/1985 9.03 06/04/1986 10.28 07/12/1987 11.40 06/07/1988 7.39 07/29/1989 12.13 06/14/1990 17.67 04/11/1991 12.95 06/29/1992 9.19 07/17/1993 16.54 06/01/1994 8.02 04/05/1995 11.06 09/23/1996 6.74 06/11/1997 7.50 05/06/1998 14.06 04/08/1999 9.25 05/30/2000 11.23 05/02/2001 9.52 07/10/2002 7.14 04/06/2003 11.14 04/16/2004 12.91 03/30/2005 9.73 07/21/2006 9.06 08/05/2007 9.99 06/03/2008 17.01 04/25/2009 9.76 06/05/2010 15.21 Duration: 60 days 03/22/1938 10.67 06/13/1939 11.90 07/08/1940 13.53 09/02/1941 15.92 04/30/1942 14.48 06/05/1943 14.09 04/14/1944 14.82 02/21/1945 11.41 08/20/1946 10.60 04/29/1947 14.64 06/12/1948 10.34 06/01/1949 7.66 04/22/1950 12.96 04/10/1951 11.78 06/20/1952 11.79 05/20/1953 7.47 08/07/1954 14.33 06/24/1955 6.51 07/07/1956 7.08 04/19/1957 9.87 05/24/1958 15.30 05/03/1959 12.34 04/25/1960 11.49 07/26/1961 14.40 04/12/1962 12.16 07/05/1963 9.25 05/13/1964 11.65 05/08/1965 9.63 05/08/1966 11.33 04/26/1967 9.69 06/10/1968 10.04 05/05/1969 12.65 09/05/1970 11.75 05/18/1971 8.50 07/17/1972 16.54 05/26/1973 13.36 04/11/1974 16.78 08/05/1975 11.43 04/17/1976 14.06 07/15/1977 17.42 08/10/1978 10.06 06/27/1979 8.78 07/15/1980 9.24 06/21/1981 13.45 06/12/1982 12.16 09/14/1983 12.68 04/21/1984 17.22 08/21/1985 11.09 06/18/1986 13.15 06/28/1987 15.13 05/21/1988 8.27 07/11/1989 15.52 06/14/1990 18.52 04/08/1991 15.89 07/12/1992 10.35 07/04/1993 21.99 05/23/1994 9.58 03/25/1995 13.47 09/07/1996 7.95 06/19/1997 9.48 05/19/1998 16.07 04/14/1999 10.79 05/18/2000 13.17 04/21/2001 10.39 04/16/2002 9.06 04/16/2003 12.58 04/16/2004 14.83 04/11/2005 11.59 07/13/2006 12.09 08/20/2007 12.50 05/30/2008 22.10 04/25/2009 12.93 06/12/2010 22.37