Precipitation annual maximum series (inches) Station ID: 39-1972 Station name: COTTONWOOD 2 E State: SD Latitude (decimal degrees): 43.9611 Longitude (decimal degrees): -101.8606 Elevation (feet): 2414 Duration: 1 day 05/06/1910 0.80 09/06/1911 3.20 04/14/1912 1.40 05/14/1913 1.06 10/09/1914 1.09 05/26/1915 4.00 08/20/1916 1.41 08/14/1917 0.98 08/07/1918 1.20 06/08/1919 1.62 05/06/1920 1.88 07/28/1921 1.02 07/16/1922 2.17 07/16/1923 2.46 07/19/1924 0.88 06/07/1925 2.45 07/02/1926 1.44 04/13/1927 1.80 06/12/1928 2.50 06/11/1929 1.50 08/16/1930 5.18 09/24/1931 0.98 05/06/1932 1.91 03/05/1933 1.10 06/16/1934 1.07 07/21/1935 1.97 01/22/1936 0.55 07/12/1937 2.35 05/19/1938 1.43 08/07/1939 0.63 04/28/1940 0.98 04/11/1941 1.64 04/30/1942 1.61 05/30/1943 3.55 06/12/1944 1.26 05/27/1945 0.85 06/18/1946 1.76 08/11/1947 1.31 01/04/1949 2.31 07/16/1950 0.94 08/14/1951 1.60 06/04/1952 1.58 10/21/1953 1.62 05/23/1954 1.73 09/20/1955 3.30 07/02/1956 1.48 06/11/1957 1.59 06/13/1958 1.57 05/05/1959 1.44 07/12/1960 2.12 10/06/1962 1.46 05/30/1963 3.10 06/21/1964 0.99 05/14/1965 2.27 09/13/1966 2.52 06/11/1967 2.78 06/07/1968 2.20 05/16/1969 2.85 07/09/1970 2.21 08/31/1971 2.77 07/25/1972 1.43 06/23/1976 1.43 10/01/1977 1.46 08/15/1978 1.58 06/20/1979 1.73 10/16/1980 1.57 07/24/1981 1.65 05/14/1982 2.24 05/01/1983 1.85 06/04/1984 2.68 08/20/1985 1.17 06/10/1986 1.94 05/21/1987 1.00 06/14/1988 2.38 09/21/1989 2.15 07/21/1990 1.86 05/16/1991 2.00 06/14/1992 2.86 07/02/1993 1.46 08/12/1994 2.33 06/10/1995 1.08 05/27/1996 1.68 06/03/1997 2.58 08/21/1998 2.09 08/01/1999 1.26 04/20/2000 1.19 07/01/2001 1.55 09/10/2002 1.37 09/05/2004 1.78 05/12/2005 1.82 08/28/2006 1.17 05/06/2007 1.67 05/23/2008 1.87 03/24/2009 1.03 07/22/2010 1.65 Duration: 2 days 07/09/1909 3.53 05/05/1910 0.86 09/06/1911 3.45 04/13/1912 2.20 05/13/1913 1.30 10/08/1914 1.17 05/26/1915 4.50 08/20/1916 1.74 05/25/1917 1.27 08/17/1918 1.29 06/08/1919 2.04 05/11/1920 2.23 07/28/1921 1.63 07/16/1922 2.34 06/05/1923 3.29 07/18/1924 1.20 06/06/1925 2.77 07/02/1926 1.55 04/12/1927 2.87 06/11/1928 2.77 06/11/1929 1.62 08/16/1930 6.59 03/26/1931 1.06 05/06/1932 2.06 05/22/1933 1.88 06/15/1934 1.15 07/21/1935 2.12 07/12/1937 3.19 05/18/1938 1.54 05/23/1939 0.83 06/03/1940 1.06 06/09/1941 1.81 04/30/1942 2.97 05/30/1943 3.82 07/09/1944 1.39 06/05/1945 1.18 05/01/1946 2.48 06/21/1947 1.41 01/04/1949 2.49 05/07/1950 1.32 08/14/1951 1.72 06/27/1952 2.19 10/21/1953 1.74 05/22/1954 2.11 09/20/1955 3.61 07/02/1956 2.22 06/10/1957 2.99 06/13/1958 1.82 05/04/1959 2.18 05/24/1960 2.55 06/16/1962 1.80 05/30/1963 3.34 04/20/1964 1.66 05/13/1965 2.44 09/13/1966 2.71 06/11/1967 3.27 06/06/1968 2.61 05/16/1969 3.07 07/09/1970 2.38 08/30/1971 4.39 05/26/1972 2.09 06/23/1976 1.54 03/28/1977 1.71 07/21/1978 1.70 06/19/1979 1.87 10/16/1980 2.22 07/24/1981 1.78 05/13/1982 2.98 05/01/1983 2.40 06/04/1984 2.89 08/20/1985 1.26 06/10/1986 2.26 02/27/1987 1.61 06/30/1988 2.77 09/21/1989 2.32 07/21/1990 2.11 05/16/1991 2.56 06/14/1992 3.08 07/02/1993 2.00 08/11/1994 2.51 10/05/1995 1.70 05/27/1996 2.05 06/02/1997 2.78 08/21/1998 2.55 09/03/1999 1.97 04/19/2000 2.28 07/01/2001 1.67 09/09/2002 2.64 09/05/2004 2.36 05/11/2005 2.14 09/22/2006 1.56 05/05/2007 1.81 05/23/2008 2.37 07/03/2009 1.42 04/23/2010 1.93 Duration: 3 days 07/09/1909 3.68 05/05/1910 0.87 09/04/1911 3.48 04/12/1912 2.30 08/17/1913 1.51 10/09/1914 1.57 05/25/1915 4.56 08/20/1916 1.76 05/24/1917 1.52 08/05/1918 1.67 06/08/1919 2.06 05/10/1920 2.28 07/28/1921 1.84 11/03/1922 2.36 06/04/1923 3.42 07/18/1924 1.21 06/05/1925 3.39 06/30/1926 1.57 04/12/1927 2.90 06/11/1928 2.80 03/13/1929 1.63 08/16/1930 7.15 03/26/1931 1.07 05/04/1932 2.17 05/21/1933 2.59 06/04/1934 1.61 05/18/1935 2.14 07/11/1937 3.36 05/17/1938 1.88 05/23/1939 1.13 06/03/1940 1.07 04/11/1941 2.53 04/30/1942 3.00 05/30/1943 3.86 06/10/1944 1.58 06/04/1945 1.38 05/01/1946 2.50 06/21/1947 1.42 01/02/1949 2.56 05/06/1950 1.33 08/12/1951 2.25 06/26/1952 2.21 04/29/1953 1.76 05/22/1954 2.13 09/20/1955 3.65 07/02/1956 2.24 06/10/1957 3.02 06/13/1958 1.97 09/16/1959 2.57 05/24/1960 2.57 06/15/1962 1.89 05/30/1963 3.37 06/14/1964 2.03 05/13/1965 2.47 09/13/1966 2.74 06/09/1967 4.20 06/05/1968 3.15 05/16/1969 3.10 07/09/1970 2.40 08/30/1971 4.43 05/26/1972 2.11 06/23/1976 1.55 03/28/1977 1.83 07/21/1978 1.72 06/20/1979 2.36 10/15/1980 2.38 07/24/1981 2.19 05/13/1982 3.56 04/30/1983 2.62 06/04/1984 3.44 08/20/1985 1.27 06/09/1986 2.44 02/26/1987 1.88 06/30/1988 2.80 09/21/1989 2.34 07/21/1990 2.13 05/16/1991 2.62 06/14/1992 3.75 07/01/1993 2.11 08/11/1994 2.53 10/05/1995 1.72 05/26/1996 2.22 06/02/1997 2.81 08/21/1998 2.68 09/02/1999 2.20 04/19/2000 2.30 07/01/2001 1.69 09/09/2002 2.67 09/04/2004 2.49 05/10/2005 2.61 09/22/2006 1.73 05/04/2007 1.97 05/22/2008 2.51 07/03/2009 1.43 07/20/2010 2.43 Duration: 4 days 05/06/1910 0.95 09/04/1911 3.51 04/12/1912 2.32 08/17/1913 1.52 10/09/1914 1.64 05/24/1915 4.86 08/20/1916 1.77 05/24/1917 1.53 08/05/1918 1.69 06/08/1919 2.08 05/10/1920 2.30 07/28/1921 2.76 11/03/1922 2.38 06/03/1923 3.54 07/18/1924 1.22 06/04/1925 3.86 07/02/1926 1.89 04/12/1927 3.60 06/11/1928 2.87 03/12/1929 1.81 08/15/1930 7.64 03/24/1931 1.08 05/04/1932 2.26 05/20/1933 2.64 06/03/1934 1.68 07/21/1935 2.51 01/21/1936 0.80 07/11/1937 3.39 05/16/1938 2.14 05/23/1939 1.14 06/20/1940 1.09 04/11/1941 2.62 04/30/1942 3.03 05/30/1943 4.07 06/12/1944 1.62 06/04/1945 1.39 05/01/1946 2.53 06/21/1947 1.44 01/02/1949 2.59 05/05/1950 1.50 02/28/1951 2.31 06/25/1952 2.51 04/29/1953 2.12 05/22/1954 2.15 09/20/1955 3.68 07/02/1956 2.26 06/10/1957 3.13 06/11/1958 1.99 09/16/1959 2.60 05/24/1960 2.60 05/15/1962 2.13 05/30/1963 3.79 06/14/1964 2.05 05/13/1965 2.49 09/13/1966 2.94 06/09/1967 4.69 06/06/1968 3.31 05/16/1969 3.13 04/15/1970 2.63 08/30/1971 4.48 05/26/1972 2.15 04/16/1976 1.57 05/18/1977 1.85 07/21/1978 1.73 06/17/1979 2.97 10/15/1980 2.40 07/21/1981 2.31 05/12/1982 3.88 04/30/1983 2.65 06/04/1984 3.47 08/20/1985 1.28 06/09/1986 2.46 02/25/1987 1.92 06/30/1988 2.82 09/21/1989 2.36 07/19/1990 2.19 05/28/1991 2.96 06/14/1992 4.14 06/16/1993 2.24 08/09/1994 2.56 10/05/1995 1.73 05/24/1996 3.12 06/02/1997 2.83 08/21/1998 2.71 09/01/1999 2.22 04/19/2000 2.32 07/01/2001 1.70 09/09/2002 2.69 09/03/2004 2.62 05/10/2005 2.68 09/22/2006 1.75 05/04/2007 1.99 05/22/2008 2.53 10/05/2009 1.50 07/19/2010 3.15 Duration: 7 days 05/05/1910 1.25 09/04/1911 3.55 04/10/1912 2.52 05/13/1913 1.72 04/23/1914 1.72 05/24/1915 5.16 05/20/1916 2.09 05/20/1917 2.49 08/05/1918 1.73 06/08/1919 2.17 05/06/1920 4.31 07/26/1921 3.10 10/30/1922 2.57 06/04/1923 4.18 06/08/1924 1.70 06/01/1925 4.24 07/02/1926 2.57 04/09/1927 4.42 06/08/1928 2.95 03/12/1929 1.83 08/15/1930 7.72 03/23/1931 1.41 06/07/1932 2.75 05/20/1933 2.67 05/31/1934 1.85 07/21/1935 2.53 01/16/1936 1.10 07/11/1937 3.97 05/16/1938 2.16 05/23/1939 1.15 05/30/1940 1.44 06/04/1941 3.40 04/25/1942 4.05 05/30/1943 4.76 06/08/1944 2.27 05/31/1945 2.12 05/01/1946 2.55 06/16/1947 1.64 01/02/1949 2.66 05/02/1950 1.72 08/09/1951 2.47 06/22/1952 3.97 04/28/1953 2.34 05/22/1954 2.54 09/20/1955 3.88 08/04/1956 2.71 06/10/1957 3.90 06/08/1958 2.98 09/16/1959 2.62 05/24/1960 2.65 05/15/1962 2.74 05/25/1963 4.32 06/15/1964 2.50 05/08/1965 3.58 09/13/1966 2.97 06/09/1967 7.38 06/05/1968 3.87 07/14/1969 3.93 04/12/1970 3.61 08/30/1971 7.42 05/22/1972 3.03 07/27/1976 1.89 05/21/1977 2.62 05/26/1978 2.02 06/16/1979 4.22 10/15/1980 2.43 07/21/1981 2.85 05/10/1982 4.62 04/26/1983 2.87 06/04/1984 4.12 08/16/1985 1.30 06/09/1986 2.99 02/24/1987 2.12 06/25/1988 3.03 09/21/1989 2.38 07/19/1990 2.21 05/28/1991 3.95 06/14/1992 4.33 07/01/1993 2.39 08/06/1994 2.60 05/08/1995 2.67 05/23/1996 3.84 07/21/1997 3.23 08/21/1998 2.87 08/29/1999 2.69 04/19/2000 2.83 05/30/2001 1.72 09/09/2002 2.82 09/03/2004 2.65 05/07/2005 2.94 09/22/2006 1.83 05/04/2007 2.01 05/22/2008 2.98 07/03/2009 1.66 07/19/2010 3.18 Duration: 10 days 05/06/1910 1.84 09/04/1911 3.58 04/12/1912 2.64 05/13/1913 1.74 04/23/1914 1.98 05/25/1915 5.86 05/12/1916 3.07 05/18/1917 2.68 08/05/1918 1.75 04/06/1919 3.21 05/03/1920 4.48 07/26/1921 3.13 07/16/1922 3.32 06/03/1923 4.30 06/08/1924 1.99 06/01/1925 4.41 06/30/1926 2.66 04/07/1927 4.48 06/05/1928 3.07 06/02/1929 2.70 08/15/1930 7.79 03/19/1931 1.63 06/07/1932 3.02 05/20/1933 2.71 06/15/1934 2.25 07/21/1935 2.56 01/16/1936 1.30 07/11/1937 4.13 05/11/1938 2.66 05/23/1939 1.52 07/22/1940 1.51 06/02/1941 3.57 04/23/1942 4.71 05/30/1943 5.21 06/08/1944 2.71 05/31/1945 2.45 05/01/1946 2.68 06/21/1947 2.47 01/02/1949 2.78 04/29/1950 2.32 05/29/1951 2.68 06/22/1952 4.01 04/24/1953 2.66 05/22/1954 2.89 09/20/1955 3.92 07/30/1956 3.18 06/07/1957 4.40 06/08/1958 3.13 09/16/1959 2.79 05/17/1960 2.78 05/14/1962 3.22 05/25/1963 5.03 06/14/1964 3.38 05/08/1965 3.62 09/13/1966 3.00 06/07/1967 7.55 05/31/1968 3.96 07/14/1969 4.00 04/12/1970 3.65 08/30/1971 7.74 05/22/1972 3.09 06/14/1976 1.98 05/18/1977 3.51 05/23/1978 2.06 06/16/1979 5.55 10/15/1980 2.45 07/21/1981 2.88 05/12/1982 5.74 04/26/1983 2.90 06/04/1984 5.33 08/12/1985 1.47 06/05/1986 3.15 02/24/1987 2.14 06/25/1988 3.06 09/21/1989 2.41 05/12/1990 2.44 05/28/1991 5.08 06/14/1992 4.40 06/07/1993 2.71 08/09/1994 2.78 05/06/1995 3.25 05/19/1996 3.88 07/21/1997 4.46 08/21/1998 2.90 08/29/1999 2.72 04/19/2000 2.86 04/21/2001 2.08 09/09/2002 2.85 09/03/2004 2.77 05/05/2005 3.03 09/22/2006 1.85 04/27/2007 2.14 05/19/2008 3.06 10/21/2009 2.12 07/19/2010 3.21 Duration: 20 days 04/30/1910 2.39 08/18/1911 4.85 08/02/1912 3.42 05/13/1913 2.58 04/23/1914 3.05 05/24/1915 7.17 05/12/1916 3.77 05/12/1917 2.94 08/01/1918 3.42 06/08/1919 4.89 04/28/1920 4.89 07/28/1921 3.58 06/08/1922 5.19 07/16/1923 5.52 06/08/1924 2.67 05/22/1925 4.54 06/16/1926 3.41 03/31/1927 5.84 06/05/1928 3.71 05/26/1929 3.95 08/15/1930 7.82 03/19/1931 1.68 04/18/1932 5.81 05/04/1933 4.13 06/03/1934 3.93 05/14/1935 4.24 01/16/1936 1.67 07/11/1937 4.25 05/12/1938 3.76 05/23/1939 2.02 06/20/1940 2.08 05/27/1941 4.37 04/23/1942 7.29 05/30/1943 6.83 05/24/1944 3.65 05/27/1945 3.77 05/01/1946 3.67 06/10/1947 3.44 12/23/1948 3.06 04/28/1950 2.67 05/29/1951 3.67 06/24/1952 4.72 04/23/1953 2.75 05/22/1954 3.90 09/20/1955 3.92 07/30/1956 3.46 05/23/1957 5.43 05/27/1958 4.76 04/16/1959 3.25 05/24/1960 3.72 05/13/1962 4.50 05/30/1963 7.41 06/05/1964 4.75 05/08/1965 5.24 09/13/1966 3.16 05/30/1967 9.25 06/05/1968 5.72 07/02/1969 4.79 04/12/1970 3.66 08/21/1971 7.86 05/09/1972 4.84 06/14/1976 2.73 05/13/1977 3.98 08/15/1978 3.02 06/16/1979 6.85 05/31/1980 2.97 07/13/1981 4.26 05/10/1982 6.96 04/28/1983 4.43 05/27/1984 7.30 05/26/1985 1.99 04/03/1986 3.62 02/26/1987 2.54 06/12/1988 5.53 09/04/1989 3.48 05/14/1990 2.86 05/16/1991 7.23 06/14/1992 5.69 05/30/1993 4.68 08/06/1994 2.84 04/29/1995 4.04 05/10/1996 4.77 07/13/1997 6.37 08/12/1998 3.53 06/01/1999 2.90 04/19/2000 3.61 07/01/2001 3.10 09/09/2002 3.46 09/05/2004 3.70 05/07/2005 3.52 08/15/2006 2.29 04/19/2007 2.68 05/22/2008 5.71 06/27/2009 2.84 07/19/2010 4.87 Duration: 30 days 04/30/1910 2.76 08/18/1911 4.92 04/10/1912 4.05 05/08/1913 2.95 04/23/1914 3.62 05/26/1915 9.04 05/14/1916 4.35 04/27/1917 3.62 07/25/1918 4.27 06/08/1919 5.61 04/16/1920 6.94 07/26/1921 3.71 06/08/1922 6.84 07/10/1923 6.45 05/31/1924 3.06 05/12/1925 5.13 06/10/1926 4.59 04/09/1927 7.61 06/12/1928 5.38 05/26/1929 4.37 08/15/1930 8.12 03/04/1931 2.08 04/16/1932 6.41 04/27/1933 5.65 05/31/1934 4.86 05/17/1935 4.57 01/16/1936 1.78 05/20/1937 4.76 05/11/1938 4.32 05/23/1939 2.47 05/30/1940 2.53 06/04/1941 5.23 04/18/1942 8.95 05/30/1943 7.66 05/17/1944 4.46 05/18/1945 4.58 05/01/1946 5.65 06/01/1947 4.40 12/06/1948 3.34 04/28/1950 2.98 05/28/1951 4.99 05/30/1952 6.37 04/07/1953 3.59 05/22/1954 4.29 08/28/1955 4.07 07/16/1956 3.48 05/13/1957 8.20 06/08/1958 5.70 05/04/1959 4.36 05/24/1960 5.32 05/14/1962 4.84 05/25/1963 8.63 05/29/1964 5.68 05/08/1965 6.67 08/19/1966 4.92 05/30/1967 10.80 06/05/1968 6.62 06/22/1969 6.46 04/12/1970 3.75 08/18/1971 7.98 05/01/1972 5.34 06/14/1976 3.17 05/02/1977 4.36 07/21/1978 3.65 06/16/1979 7.96 10/15/1980 3.17 06/27/1981 5.77 05/10/1982 8.28 04/26/1983 4.63 05/21/1984 8.22 07/30/1985 2.62 04/03/1986 5.43 02/24/1987 4.08 06/12/1988 5.60 08/25/1989 3.67 05/19/1990 3.73 05/16/1991 9.43 06/14/1992 8.49 06/04/1993 6.33 08/06/1994 3.57 04/29/1995 5.26 05/01/1996 5.11 05/23/1997 7.06 07/29/1998 4.59 05/10/1999 4.28 04/19/2000 4.12 07/01/2001 4.58 08/22/2002 3.49 08/27/2004 4.10 04/20/2005 5.13 08/26/2006 3.39 04/11/2007 3.25 05/08/2008 6.39 10/01/2009 3.89 07/11/2010 5.07 Duration: 45 days 04/14/1910 3.60 07/31/1911 5.80 07/03/1912 4.93 04/19/1913 3.79 04/17/1914 4.61 05/19/1915 10.70 05/12/1916 5.60 04/15/1917 5.19 07/07/1918 5.58 05/31/1919 6.37 04/18/1920 7.87 07/02/1921 4.27 06/15/1922 10.15 06/03/1923 8.43 06/07/1924 4.45 05/12/1925 5.52 05/28/1926 6.08 04/09/1927 9.52 06/11/1928 6.63 05/26/1929 5.97 08/15/1930 9.02 04/18/1932 7.12 04/09/1933 7.05 05/31/1934 5.41 04/24/1935 6.17 12/13/1935 2.13 05/30/1937 7.66 05/11/1938 5.53 05/05/1939 2.88 06/20/1940 3.59 05/29/1941 6.67 04/23/1942 10.81 05/18/1943 7.69 04/29/1944 5.73 05/18/1945 6.05 08/13/1946 6.24 05/29/1947 4.73 12/05/1948 3.98 03/26/1950 3.27 05/29/1951 7.21 05/15/1952 8.74 03/21/1953 4.86 05/15/1954 5.13 08/19/1955 4.16 07/02/1956 5.92 05/14/1957 9.98 05/27/1958 7.33 04/16/1959 5.43 05/17/1960 6.08 05/13/1962 7.00 05/11/1963 9.81 05/09/1964 6.65 05/08/1965 7.47 08/09/1966 5.43 05/15/1967 11.48 05/17/1968 7.40 06/10/1969 7.72 07/05/1970 4.50 08/21/1971 8.64 05/09/1972 6.96 06/23/1976 4.61 04/12/1977 5.16 04/17/1978 5.53 06/16/1979 9.46 05/31/1980 4.05 06/12/1981 7.82 05/10/1982 9.22 04/04/1983 5.24 05/21/1984 9.23 07/30/1985 3.69 04/03/1986 7.12 05/03/1987 4.85 05/19/1988 7.41 08/25/1989 3.79 05/11/1990 4.71 05/16/1991 10.84 06/08/1992 9.39 06/07/1993 7.76 07/07/1994 4.75 05/01/1995 7.02 05/23/1996 6.24 06/20/1997 9.06 05/11/1998 6.22 05/15/1999 5.30 04/19/2000 4.49 05/29/2001 5.65 08/06/2002 5.10 08/23/2004 4.29 04/11/2005 6.77 08/15/2006 4.17 03/25/2007 5.03 05/02/2008 8.34 06/03/2009 4.76 06/08/2010 6.91 Duration: 60 days 04/14/1910 4.34 08/05/1911 6.25 07/01/1912 5.86 04/19/1913 4.30 04/17/1914 5.26 05/19/1915 13.98 05/13/1916 5.99 04/15/1917 5.43 06/24/1918 6.85 05/31/1919 6.83 04/28/1920 9.82 07/02/1921 4.68 05/29/1922 12.29 06/05/1923 10.96 05/26/1924 4.85 05/12/1925 5.96 05/07/1926 6.59 03/31/1927 11.40 06/05/1928 7.04 05/08/1929 6.47 08/15/1930 12.98 03/19/1931 2.64 04/18/1932 10.14 04/01/1933 7.37 05/31/1934 5.87 04/04/1935 7.78 12/06/1935 2.69 05/20/1937 9.10 05/11/1938 6.83 05/05/1939 3.18 06/03/1940 4.61 04/11/1941 8.01 04/23/1942 12.05 05/05/1943 7.96 04/21/1944 6.60 05/13/1945 6.32 05/01/1946 8.21 05/12/1947 5.58 08/14/1949 4.94 03/10/1950 4.66 05/17/1951 8.03 05/15/1952 9.82 04/23/1953 5.65 04/29/1954 5.35 08/01/1955 5.88 06/16/1956 6.59 04/18/1957 10.79 06/01/1958 8.31 05/04/1959 7.36 05/18/1960 8.32 05/17/1962 8.86 04/18/1963 10.58 04/20/1964 9.75 05/08/1965 8.97 08/09/1966 5.96 04/30/1967 13.73 05/06/1968 8.30 05/31/1969 7.83 06/12/1970 5.04 08/30/1971 11.08 05/01/1972 7.40 06/14/1976 5.48 03/28/1977 7.47 04/15/1978 5.90 06/16/1979 10.75 05/28/1980 4.99 06/07/1981 9.67 05/10/1982 9.89 04/30/1983 6.44 04/25/1984 10.71 07/14/1985 4.44 04/18/1986 8.77 04/20/1987 5.12 05/03/1988 7.62 09/07/1989 4.72 04/25/1990 5.39 05/03/1991 12.68 06/01/1992 9.90 05/30/1993 9.48 07/07/1994 5.48 04/12/1995 8.02 05/08/1996 7.22 06/03/1997 13.11 05/11/1998 7.34 05/04/1999 6.50 04/19/2000 5.07 05/29/2001 7.27 07/21/2002 5.30 09/03/2004 5.67 04/11/2005 8.57 08/01/2006 4.64 03/25/2007 5.29 05/22/2008 10.58 06/03/2009 5.01 06/07/2010 8.65