Precipitation annual maximum series (inches) Station ID: 13-1257 Station name: CASCADE State: IA Latitude (decimal degrees): 42.2989 Longitude (decimal degrees): -90.9983 Elevation (feet): 870 Duration: 15 minutes 07/20/1978 0.50 07/29/1979 0.70 06/27/1980 1.00 06/12/1981 0.90 10/08/1982 0.50 07/01/1983 0.40 03/10/1986 0.50 08/21/1987 0.60 08/08/1988 1.30 08/04/1989 0.90 04/08/1991 0.60 07/13/1992 0.70 06/07/1993 0.80 07/20/1994 0.50 07/29/1996 0.80 06/29/1997 0.90 05/20/2001 1.30 07/07/2003 0.90 08/03/2004 0.90 08/11/2005 0.70 06/24/2007 1.00 08/04/2008 1.10 06/19/2009 0.70 07/24/2010 0.70 Duration: 30 minutes 07/20/1978 0.80 08/28/1979 1.00 06/27/1980 1.60 08/30/1981 1.40 10/08/1982 0.70 09/24/1986 1.00 08/21/1987 0.90 08/08/1988 1.90 08/04/1989 0.90 08/08/1991 1.10 07/13/1992 1.20 06/07/1993 1.40 07/20/1994 0.70 07/29/1996 1.00 06/29/1997 1.40 08/23/1999 1.70 07/07/2003 1.20 08/03/2004 1.30 08/11/2005 1.30 07/04/2007 1.30 08/04/2008 1.50 06/19/2009 0.90 07/24/2010 1.10 Duration: 45 minutes 07/20/1978 0.90 08/28/1979 1.20 06/27/1980 1.80 06/15/1981 1.60 10/08/1982 0.70 07/01/1983 0.60 09/24/1986 1.20 08/21/1987 1.10 08/08/1988 2.10 08/04/1989 1.00 08/08/1991 1.40 07/13/1992 1.20 06/07/1993 1.80 07/20/1994 0.80 07/29/1996 1.00 06/29/1997 1.70 07/07/2003 1.20 08/03/2004 1.50 08/11/2005 1.30 07/04/2007 1.60 08/04/2008 1.70 04/25/2009 0.90 07/24/2010 1.30 Duration: 1 hour 07/05/1949 0.95 06/13/1950 1.27 07/08/1951 1.15 08/03/1952 1.10 06/04/1953 0.88 06/21/1954 0.82 06/05/1955 0.64 07/17/1956 0.76 05/21/1957 1.13 07/14/1958 1.20 06/24/1959 1.32 06/01/1960 1.28 08/10/1961 1.24 05/28/1962 0.96 07/18/1963 1.50 05/08/1964 1.80 05/26/1965 0.97 08/20/1966 0.78 09/13/1967 1.60 06/09/1968 0.96 06/07/1969 1.02 09/09/1970 1.07 06/20/1971 1.88 09/28/1972 1.28 08/13/1973 1.58 04/28/1974 1.74 11/29/1975 0.67 08/25/1976 1.35 08/07/1977 0.66 07/20/1978 1.10 08/28/1979 1.47 05/29/1980 1.74 06/15/1981 1.56 11/01/1982 0.83 07/01/1983 0.64 09/24/1986 1.10 08/21/1987 1.10 08/08/1988 2.02 08/04/1989 0.92 08/08/1991 1.47 07/13/1992 1.19 06/07/1993 1.93 07/20/1994 0.83 06/29/1996 0.92 06/29/1997 1.83 07/07/2003 1.19 08/03/2004 1.47 08/11/2005 1.19 07/04/2007 2.02 05/25/2008 1.56 04/25/2009 0.92 07/23/2010 1.28 Duration: 2 hours 07/21/1949 1.41 06/13/1950 1.60 07/08/1951 1.31 08/03/1952 1.75 06/04/1953 0.92 08/18/1954 1.25 04/23/1955 0.78 08/30/1956 1.20 05/30/1957 1.84 07/14/1958 2.27 06/24/1959 1.52 06/01/1960 2.10 08/10/1961 1.30 05/28/1962 1.71 07/18/1963 1.85 06/19/1964 2.03 05/26/1965 1.18 08/20/1966 1.23 09/13/1967 2.00 06/24/1968 1.79 06/25/1969 1.48 07/27/1970 1.35 06/20/1971 2.41 09/28/1972 2.00 06/16/1973 2.68 04/28/1974 1.88 04/27/1975 0.87 08/25/1976 2.17 08/07/1977 1.18 09/12/1978 1.44 08/28/1979 2.02 06/27/1980 2.12 06/15/1981 2.21 11/01/1982 1.06 11/19/1983 0.87 09/24/1986 1.44 08/21/1987 1.44 08/08/1988 2.12 08/04/1989 1.06 08/08/1991 1.73 07/13/1992 1.35 07/17/1993 2.88 07/20/1994 1.06 10/16/1996 1.06 06/29/1997 2.02 07/07/2003 1.35 08/03/2004 1.54 08/11/2005 1.35 07/04/2007 2.60 05/25/2008 2.12 04/25/2009 1.15 07/24/2010 1.63 Duration: 3 hours 07/21/1949 1.63 09/20/1950 1.87 07/08/1951 1.41 08/03/1952 2.00 06/08/1953 1.13 08/18/1954 1.40 04/23/1955 0.99 08/30/1956 1.27 05/30/1957 1.98 07/13/1958 2.97 06/24/1959 1.55 06/01/1960 2.14 08/10/1961 1.82 05/28/1962 2.08 07/18/1963 1.92 06/19/1964 2.68 05/26/1965 1.28 08/20/1966 1.36 09/13/1967 2.45 06/24/1968 1.83 06/07/1969 1.74 07/29/1970 1.63 06/20/1971 2.46 09/28/1972 2.04 06/16/1973 3.33 04/28/1974 1.94 11/29/1975 1.12 08/25/1976 2.26 08/07/1977 1.39 09/12/1978 1.50 08/28/1979 2.40 06/27/1980 2.20 08/30/1981 2.60 11/01/1982 1.40 11/19/1983 0.90 09/24/1986 1.70 08/21/1987 1.60 08/08/1988 2.20 08/04/1989 1.10 08/08/1991 1.90 07/13/1992 1.50 07/17/1993 3.10 07/13/1994 1.10 10/16/1996 1.20 06/29/1997 2.10 07/07/2003 1.40 08/03/2004 1.60 08/11/2005 1.40 07/04/2007 2.70 05/25/2008 2.40 04/25/2009 1.40 07/24/2010 1.70 Duration: 6 hours 06/24/1949 1.72 09/20/1950 2.20 07/08/1951 2.68 08/03/1952 2.25 06/25/1953 1.18 05/31/1954 1.55 04/23/1955 1.51 08/30/1956 1.78 05/30/1957 2.14 07/13/1958 3.00 06/29/1959 2.03 06/01/1960 2.16 08/10/1961 2.17 05/28/1962 2.25 07/18/1963 3.52 06/19/1964 3.35 07/08/1965 1.36 08/20/1966 1.48 09/13/1967 3.60 09/22/1968 2.15 06/07/1969 1.93 07/29/1970 1.78 06/19/1971 2.62 09/28/1972 2.06 06/16/1973 3.99 06/22/1974 2.31 11/29/1975 1.70 08/25/1976 2.28 05/20/1977 1.64 09/12/1978 1.90 08/28/1979 2.70 06/27/1980 2.22 08/30/1981 3.00 11/01/1982 2.10 11/19/1983 0.91 09/24/1986 1.90 08/21/1987 1.70 08/08/1988 2.22 09/01/1989 1.40 08/07/1991 2.20 07/13/1992 1.60 07/17/1993 3.30 06/23/1994 1.50 10/16/1996 1.30 06/29/1997 2.12 11/03/2003 1.70 05/22/2004 1.90 08/11/2005 1.41 07/04/2007 2.80 05/25/2008 2.50 04/25/2009 1.70 07/23/2010 2.50 Duration: 12 hours 06/24/1949 1.75 09/20/1950 2.22 07/08/1951 3.12 08/03/1952 2.27 06/25/1953 1.39 05/31/1954 2.99 04/23/1955 1.70 08/30/1956 2.21 05/30/1957 2.16 07/13/1958 3.05 06/29/1959 2.35 06/01/1960 2.39 09/30/1961 2.37 05/28/1962 2.53 07/18/1963 3.77 06/19/1964 3.38 09/20/1965 1.80 06/08/1966 1.95 09/13/1967 3.79 09/22/1968 2.17 06/25/1969 2.38 07/29/1970 2.64 06/19/1971 2.65 04/16/1972 2.26 06/16/1973 4.03 06/22/1974 2.51 11/29/1975 2.07 08/25/1976 2.31 05/20/1977 1.70 05/12/1978 2.40 08/28/1979 2.73 05/28/1980 2.50 08/30/1981 3.03 11/01/1982 2.12 09/24/1986 1.92 08/26/1987 2.20 08/08/1988 2.40 04/22/1989 1.60 08/07/1991 2.50 07/13/1992 1.80 07/17/1993 3.50 06/23/1994 1.60 05/09/1996 1.40 06/29/1997 2.40 06/03/2002 5.70 09/13/2003 2.90 05/22/2004 2.00 08/11/2005 1.43 10/17/2007 2.83 04/24/2008 2.52 04/25/2009 2.10 07/22/2010 2.80 Duration: 1 day 10/07/1948 1.83 06/24/1949 2.85 06/02/1950 2.30 07/08/1951 3.84 08/04/1952 3.16 02/20/1953 1.36 06/01/1954 2.76 04/24/1955 1.74 08/31/1956 2.14 05/31/1957 2.10 07/14/1958 2.78 06/30/1959 3.14 06/02/1960 2.71 09/13/1961 3.13 05/29/1962 2.37 07/19/1963 3.99 06/20/1964 3.21 09/21/1965 2.12 06/12/1966 1.74 09/14/1967 3.92 09/23/1968 2.21 06/26/1969 2.65 05/13/1970 3.22 06/25/1971 2.37 08/26/1972 2.83 06/17/1973 3.60 04/29/1974 2.24 11/30/1975 1.88 08/26/1976 2.06 05/21/1977 1.62 05/13/1978 3.10 08/29/1979 2.50 05/29/1980 2.41 08/31/1981 2.86 11/01/1982 2.32 03/21/1983 1.90 06/18/1984 2.09 08/10/1985 2.31 09/25/1986 2.29 08/26/1987 2.41 08/09/1988 2.41 04/23/1989 1.88 06/29/1990 2.19 08/07/1991 3.57 11/21/1992 2.14 07/18/1993 3.39 07/20/1994 2.23 08/07/1995 2.03 05/10/1996 1.79 06/29/1997 2.14 03/31/1998 2.14 08/24/1999 1.80 06/14/2000 2.16 10/23/2001 2.75 08/22/2002 7.55 09/14/2003 3.57 08/04/2004 2.41 08/12/2005 1.61 04/17/2006 2.00 10/18/2007 2.59 06/09/2008 2.77 04/26/2009 2.32 07/24/2010 3.21 Duration: 2 days 10/07/1948 1.97 06/23/1949 3.60 06/01/1950 2.65 07/08/1951 4.14 11/17/1952 3.41 02/20/1953 1.46 06/01/1954 3.52 04/24/1955 2.00 08/31/1956 2.51 05/30/1957 2.64 07/14/1958 2.99 06/30/1959 3.97 05/06/1960 3.40 09/13/1961 4.71 05/29/1962 2.75 07/19/1963 4.38 06/20/1964 4.38 09/20/1965 3.94 06/09/1966 1.88 09/14/1967 5.80 09/22/1968 4.17 06/26/1969 4.31 07/29/1970 4.80 06/25/1971 2.55 08/25/1972 3.13 06/17/1973 4.37 06/21/1974 4.15 11/30/1975 2.02 08/26/1976 2.22 05/21/1977 1.75 05/12/1978 3.34 08/29/1979 2.69 05/29/1980 3.17 08/14/1981 3.62 11/01/1982 2.82 03/20/1983 2.05 06/17/1984 2.45 08/10/1985 2.49 09/10/1986 2.90 08/26/1987 3.17 08/08/1988 2.91 07/18/1989 2.21 08/17/1990 2.84 08/07/1991 4.92 11/20/1992 3.08 07/05/1993 4.28 06/23/1994 2.60 08/07/1995 2.19 05/09/1996 2.33 05/01/1997 2.31 03/31/1998 2.73 04/22/1999 2.83 06/13/2000 3.86 10/23/2001 2.96 08/22/2002 8.21 11/03/2003 4.81 08/11/2005 1.83 04/16/2006 3.80 10/18/2007 3.01 04/25/2008 3.37 04/26/2009 2.98 07/23/2010 5.36 Duration: 3 days 10/07/1948 1.99 06/23/1949 3.63 06/13/1950 3.57 07/08/1951 4.30 11/17/1952 3.52 06/25/1953 1.53 06/01/1954 4.00 04/24/1955 2.02 04/27/1956 3.10 05/29/1957 2.74 07/12/1958 3.25 06/29/1959 4.15 05/06/1960 3.83 09/12/1961 4.90 05/29/1962 2.78 07/19/1963 4.55 06/20/1964 4.65 09/19/1965 5.00 06/10/1966 2.02 09/14/1967 6.11 09/22/1968 4.35 06/26/1969 4.35 07/28/1970 5.20 06/23/1971 3.45 08/25/1972 3.16 06/17/1973 4.48 06/21/1974 4.24 11/30/1975 2.10 08/26/1976 2.58 07/16/1977 2.32 05/12/1978 3.37 08/18/1979 3.95 05/29/1980 3.43 08/29/1981 4.00 11/01/1982 2.85 03/20/1983 2.07 10/17/1984 2.65 10/10/1985 2.77 09/10/1986 2.93 08/25/1987 3.20 08/08/1988 2.94 07/18/1989 2.41 06/27/1990 3.33 08/07/1991 4.97 11/20/1992 3.12 07/04/1993 4.36 06/23/1994 2.67 08/07/1995 2.50 05/08/1996 2.36 05/01/1997 2.61 03/30/1998 3.09 04/22/1999 2.86 06/12/2000 5.04 10/23/2001 2.99 08/22/2002 8.33 11/02/2003 5.43 08/10/2005 3.02 04/16/2006 3.84 08/07/2007 3.11 04/24/2008 3.50 08/08/2009 4.37 07/22/2010 5.49 Duration: 4 days 02/28/1948 2.08 06/21/1949 4.00 06/12/1950 3.64 07/08/1951 4.34 11/17/1952 3.55 06/05/1953 2.27 06/01/1954 4.20 04/24/1955 2.04 04/27/1956 3.20 05/29/1957 2.77 07/12/1958 3.28 06/28/1959 4.25 01/12/1960 4.08 09/11/1961 4.95 05/29/1962 2.81 07/17/1963 4.75 06/20/1964 5.95 09/19/1965 5.05 06/09/1966 3.47 09/14/1967 6.17 09/22/1968 4.39 06/26/1969 4.93 07/28/1970 5.25 06/23/1971 3.48 08/25/1972 3.19 06/17/1973 4.52 06/21/1974 4.28 11/27/1975 2.30 08/26/1976 2.61 07/16/1977 2.36 05/12/1978 3.41 08/17/1979 3.99 05/29/1980 3.58 08/29/1981 4.22 10/29/1982 3.10 07/01/1983 2.31 10/16/1984 2.74 08/10/1985 3.46 09/10/1986 2.96 08/18/1987 4.42 08/08/1988 2.97 07/18/1989 2.43 08/17/1990 4.90 08/07/1991 5.02 11/20/1992 3.89 07/04/1993 4.40 06/21/1994 2.85 08/07/1995 2.52 05/08/1996 2.38 05/01/1997 2.64 08/25/1998 3.81 04/22/1999 2.89 06/12/2000 5.12 10/23/2001 3.02 08/22/2002 8.41 11/02/2003 5.48 08/10/2005 3.05 04/14/2006 3.89 10/15/2007 3.92 04/23/2008 3.60 08/07/2009 4.42 07/21/2010 5.58 Duration: 7 days 04/30/1948 2.69 06/21/1949 4.04 06/12/1950 5.29 07/03/1951 5.40 11/17/1952 3.59 06/05/1953 2.34 05/28/1954 5.37 04/19/1955 2.72 08/31/1956 3.61 05/25/1957 2.98 07/12/1958 3.34 06/25/1959 6.55 01/12/1960 4.28 09/11/1961 5.00 05/06/1962 3.40 07/13/1963 5.65 06/18/1964 6.25 09/15/1965 5.23 06/09/1966 3.77 09/14/1967 6.61 09/18/1968 6.43 06/23/1969 5.78 07/28/1970 5.94 06/20/1971 6.05 08/20/1972 3.98 06/15/1973 4.58 06/19/1974 4.42 11/25/1975 2.32 08/26/1976 2.79 08/16/1977 3.30 05/07/1978 3.75 08/18/1979 4.27 05/28/1980 4.52 08/26/1981 4.84 10/28/1982 3.60 06/28/1983 2.94 10/15/1984 3.54 09/21/1985 3.59 09/25/1986 4.80 08/21/1987 5.25 08/05/1988 3.10 04/23/1989 2.52 08/17/1990 5.40 08/07/1991 5.07 11/20/1992 4.90 07/05/1993 7.13 06/19/1994 3.52 08/03/1995 2.59 10/17/1996 2.72 06/23/1997 3.81 06/10/1998 4.02 04/22/1999 3.22 06/12/2000 5.26 09/17/2001 3.55 08/19/2002 8.49 11/02/2003 5.54 08/10/2005 3.08 04/12/2006 4.53 10/15/2007 4.12 06/09/2008 5.90 08/07/2009 4.46 07/18/2010 5.64 Duration: 10 days 05/02/1948 3.26 06/21/1949 4.18 06/09/1950 5.37 07/08/1951 5.53 11/17/1952 4.53 06/05/1953 3.44 05/27/1954 5.76 06/02/1955 3.03 04/27/1956 4.08 05/22/1957 4.41 07/12/1958 3.50 06/25/1959 6.62 04/29/1960 4.97 09/11/1961 5.05 07/12/1962 4.10 07/13/1963 6.35 06/14/1964 6.82 09/15/1965 5.28 06/03/1966 3.97 09/14/1967 6.91 09/16/1968 6.93 06/26/1969 6.33 07/28/1970 6.39 06/20/1971 6.11 04/15/1972 4.10 06/12/1973 4.96 05/14/1974 5.27 06/13/1975 2.78 04/15/1976 2.84 08/16/1977 3.37 09/13/1978 4.41 08/20/1979 4.73 05/29/1980 6.09 06/15/1981 5.13 11/01/1982 3.80 06/25/1983 3.05 06/09/1984 4.68 09/21/1985 4.50 09/21/1986 5.63 08/18/1987 7.57 08/05/1988 3.13 09/01/1989 4.17 08/17/1990 7.20 08/07/1991 5.12 11/20/1992 4.95 06/30/1993 8.56 07/11/1994 3.61 05/08/1995 3.33 05/19/1996 2.79 06/21/1997 5.21 06/10/1998 5.48 07/19/1999 4.03 06/12/2000 5.64 09/17/2001 3.59 08/17/2002 8.58 11/02/2003 5.60 05/22/2004 5.55 08/10/2005 4.46 04/12/2006 4.58 08/14/2007 5.02 06/04/2008 7.22 08/08/2009 5.76 07/22/2010 5.74 Duration: 20 days 04/26/1948 6.01 06/13/1949 5.86 05/30/1950 7.82 07/03/1951 7.35 08/04/1952 5.58 05/21/1953 3.93 05/27/1954 6.19 05/23/1955 5.33 04/25/1956 5.42 05/13/1957 5.51 07/02/1958 5.05 06/25/1959 7.37 04/18/1960 5.68 09/12/1961 8.77 07/12/1962 5.72 07/04/1963 6.85 06/12/1964 7.66 09/05/1965 8.94 06/09/1966 5.07 09/14/1967 7.25 09/05/1968 8.39 06/22/1969 10.63 07/28/1970 7.99 06/06/1971 7.85 08/25/1972 6.53 06/03/1973 6.42 06/07/1974 7.71 06/17/1975 3.56 02/15/1976 4.16 08/08/1977 5.70 05/12/1978 4.78 08/10/1979 7.21 05/28/1980 7.97 08/14/1981 8.49 10/28/1982 5.67 03/21/1983 4.71 06/08/1984 6.54 09/23/1985 6.92 09/10/1986 8.63 08/08/1987 10.40 08/05/1988 4.40 07/18/1989 4.84 06/16/1990 7.57 08/07/1991 5.32 06/30/1992 5.41 06/29/1993 13.58 07/02/1994 5.70 07/23/1995 4.83 05/09/1996 5.23 06/11/1997 7.61 06/09/1998 7.51 04/04/1999 6.05 06/12/2000 7.70 09/07/2001 5.64 05/25/2002 10.20 10/25/2003 6.11 05/06/2004 6.92 08/10/2005 5.05 03/31/2006 6.10 08/07/2007 8.61 05/26/2008 11.80 08/08/2009 8.17 07/06/2010 9.73 Duration: 30 days 04/23/1948 6.71 06/23/1949 6.95 05/30/1950 9.10 06/20/1951 7.94 07/23/1952 5.91 06/05/1953 5.53 05/24/1954 8.50 05/10/1955 6.83 04/25/1956 6.32 05/10/1957 7.46 07/02/1958 5.68 06/25/1959 7.74 05/06/1960 7.49 09/12/1961 9.42 05/06/1962 7.08 07/04/1963 7.17 06/12/1964 8.19 08/25/1965 11.14 06/03/1966 5.57 09/14/1967 9.13 08/31/1968 9.62 06/05/1969 13.64 07/14/1970 8.96 05/30/1971 9.01 08/01/1972 8.62 05/22/1973 8.84 05/11/1974 10.61 06/10/1975 4.98 02/15/1976 4.78 07/30/1977 6.82 09/13/1978 6.84 08/03/1979 8.07 05/18/1980 8.89 08/02/1981 11.67 07/07/1982 6.08 03/16/1983 5.43 05/25/1984 8.19 09/21/1985 8.59 09/10/1986 10.04 08/08/1987 10.40 08/05/1988 4.46 08/04/1989 5.52 06/06/1990 8.72 03/12/1991 6.13 07/02/1992 7.14 06/19/1993 16.29 06/21/1994 8.55 05/08/1995 7.00 05/09/1996 7.19 06/06/1997 8.66 05/24/1998 9.32 04/03/1999 6.82 06/12/2000 10.04 05/04/2001 7.56 05/29/2002 11.90 10/25/2003 8.21 05/19/2004 8.95 07/21/2005 5.71 06/06/2006 6.96 08/07/2007 8.72 05/23/2008 12.97 07/22/2009 10.29 06/26/2010 11.31 Duration: 45 days 04/23/1948 8.11 06/13/1949 9.41 05/12/1950 10.46 07/08/1951 10.71 07/14/1952 7.11 06/05/1953 7.55 04/20/1954 9.89 04/24/1955 9.07 04/25/1956 9.09 04/17/1957 8.72 05/31/1958 9.94 05/19/1959 10.30 04/29/1960 9.86 09/11/1961 10.94 07/12/1962 8.28 06/08/1963 9.47 05/08/1964 10.89 08/08/1965 14.36 04/30/1966 8.24 09/14/1967 11.16 08/31/1968 10.54 06/05/1969 18.37 07/28/1970 10.62 05/30/1971 11.23 07/13/1972 12.02 05/07/1973 10.49 05/11/1974 15.25 05/24/1975 6.55 02/15/1976 5.64 07/16/1977 9.87 08/27/1978 7.62 07/22/1979 9.48 05/15/1980 11.45 07/26/1981 13.54 10/28/1982 8.61 03/20/1983 6.67 06/05/1984 9.28 09/20/1985 11.01 08/25/1986 11.18 08/08/1987 14.21 08/08/1988 6.24 08/04/1989 7.81 05/16/1990 10.84 08/07/1991 9.53 06/30/1992 9.47 06/05/1993 21.47 06/08/1994 10.72 04/25/1995 8.35 04/29/1996 8.89 06/08/1997 9.47 05/20/1998 10.92 04/04/1999 9.92 05/27/2000 12.18 05/04/2001 10.43 05/29/2002 14.88 10/28/2003 9.28 05/09/2004 12.31 07/21/2005 6.30 06/12/2006 9.62 07/17/2007 11.23 05/03/2008 16.02 07/15/2009 14.06 06/11/2010 16.12 Duration: 60 days 03/19/1948 9.10 06/01/1949 10.35 04/23/1950 13.25 06/29/1951 13.49 06/27/1952 8.24 05/21/1953 9.21 04/06/1954 12.28 04/14/1955 10.92 04/26/1956 10.24 04/20/1957 10.25 05/31/1958 10.82 05/10/1959 12.19 04/17/1960 12.12 09/11/1961 15.32 05/29/1962 10.98 06/08/1963 9.94 04/27/1964 14.74 07/31/1965 15.72 04/30/1966 9.54 09/14/1967 13.91 07/31/1968 12.12 06/01/1969 18.88 07/28/1970 14.86 05/19/1971 12.80 07/18/1972 14.49 04/21/1973 14.27 04/29/1974 19.03 05/12/1975 7.99 03/02/1976 6.72 06/30/1977 10.60 08/16/1978 8.48 07/04/1979 11.55 05/11/1980 12.46 07/13/1981 14.77 10/09/1982 10.12 03/21/1983 8.86 05/19/1984 11.62 09/21/1985 13.52 08/06/1986 15.16 07/25/1987 14.75 08/05/1988 6.71 07/18/1989 10.33 06/27/1990 13.65 08/07/1991 11.23 06/30/1992 10.56 05/23/1993 24.07 06/20/1994 12.00 04/08/1995 10.60 05/04/1996 10.44 05/01/1997 12.54 08/10/1998 12.97 04/16/1999 10.99 05/13/2000 13.29 04/20/2001 12.02 05/25/2002 18.67 09/12/2003 11.76 05/10/2004 15.09 06/26/2005 7.85 05/31/2006 12.16 08/07/2007 14.57 04/18/2008 22.20 07/04/2009 16.35 05/26/2010 19.10