Precipitation annual maximum series (inches) Station ID: 25-0810 Station name: BERTRAND State: NE Latitude (decimal degrees): 40.5283 Longitude (decimal degrees): -99.6353 Elevation (feet): 2520 Duration: 1 day 09/23/1909 2.41 08/17/1910 3.23 10/06/1911 1.66 07/02/1912 2.27 05/02/1913 1.54 07/06/1914 2.76 06/18/1915 3.10 06/13/1916 1.78 09/25/1917 1.97 07/17/1918 1.93 07/14/1919 1.82 10/15/1920 2.62 07/30/1921 1.52 11/04/1922 1.49 09/17/1923 3.09 07/18/1924 2.13 08/09/1925 1.61 08/11/1926 2.22 04/14/1927 1.69 10/12/1928 1.71 05/29/1929 1.61 10/12/1930 2.48 07/04/1931 1.75 06/02/1932 2.33 09/12/1933 2.40 08/18/1934 1.13 05/31/1935 1.62 05/08/1936 2.25 05/29/1938 2.17 06/20/1939 2.18 10/28/1940 1.15 06/22/1941 1.75 06/02/1942 3.42 07/03/1943 3.87 04/23/1944 2.72 06/05/1945 1.95 10/05/1946 4.05 06/22/1947 2.34 06/08/1949 1.86 05/19/1950 1.86 05/28/1953 2.58 05/02/1954 2.30 08/17/1956 1.28 06/16/1957 2.78 06/18/1958 1.32 03/26/1959 1.89 06/11/1960 2.26 05/22/1961 2.09 05/18/1962 3.02 07/15/1963 2.82 07/07/1964 1.10 10/18/1965 2.90 09/13/1966 2.17 06/21/1967 2.89 10/16/1968 2.94 08/24/1969 3.59 06/12/1970 2.71 11/16/1971 2.16 06/25/1972 1.29 09/01/1973 1.87 06/09/1974 2.43 06/08/1975 2.33 06/23/1976 2.37 05/03/1977 1.77 08/10/1978 1.25 04/25/1979 1.96 03/28/1980 1.86 07/18/1981 1.60 06/15/1982 1.64 06/13/1983 1.61 04/21/1984 2.64 06/26/1985 3.84 09/06/1986 1.75 03/17/1987 2.27 08/13/1988 1.75 06/25/1989 4.25 05/19/1990 2.76 05/23/1991 1.35 07/19/1992 3.15 06/24/1993 2.37 07/18/1994 2.14 05/30/1995 2.10 05/27/1996 3.59 09/07/1997 2.85 05/22/1998 2.64 06/11/1999 2.55 07/05/2000 1.95 05/07/2001 2.13 08/25/2002 1.30 04/24/2003 1.20 07/05/2004 1.81 05/12/2005 1.50 08/17/2006 2.48 04/23/2007 2.42 05/24/2008 3.32 10/22/2009 1.82 06/14/2010 2.84 Duration: 2 days 09/23/1909 2.60 08/17/1910 3.48 10/05/1911 2.39 07/02/1912 2.44 04/23/1913 2.06 06/12/1914 3.10 07/30/1915 3.34 06/13/1916 1.95 09/25/1917 2.12 07/16/1918 2.27 07/14/1919 1.96 10/14/1920 3.54 05/30/1921 2.55 11/04/1922 2.13 09/17/1923 3.33 08/13/1924 2.40 08/19/1925 1.73 08/10/1926 2.90 04/19/1927 2.02 10/12/1928 1.84 05/29/1929 1.73 10/12/1930 2.67 07/04/1931 1.88 06/02/1932 2.51 04/20/1933 4.08 08/17/1934 2.16 05/19/1935 2.40 05/08/1936 3.00 05/28/1938 2.34 05/26/1939 2.35 05/17/1940 1.38 06/22/1941 1.88 09/02/1942 3.95 07/03/1943 4.17 04/23/1944 2.93 09/27/1945 2.75 10/04/1946 5.11 06/21/1947 3.30 06/08/1949 2.00 05/19/1950 2.00 05/28/1953 2.78 05/02/1954 2.48 08/17/1956 1.38 06/16/1957 2.99 02/27/1958 1.85 03/26/1959 2.04 06/11/1960 2.43 05/21/1961 2.97 05/17/1962 4.17 09/21/1963 3.60 08/20/1964 1.99 05/25/1965 4.39 06/08/1966 2.34 06/14/1967 3.48 10/16/1968 4.12 08/24/1969 3.87 06/11/1970 2.92 11/16/1971 2.47 06/25/1972 2.22 07/19/1973 2.25 06/08/1974 2.62 06/08/1975 3.29 06/23/1976 4.16 05/21/1977 2.07 04/16/1978 1.77 03/22/1979 2.35 03/28/1980 2.83 07/17/1981 2.95 10/01/1982 1.77 06/28/1983 2.05 04/21/1984 3.03 06/26/1985 4.14 09/06/1986 1.88 03/17/1987 3.37 06/30/1988 1.92 06/25/1989 4.65 05/19/1990 2.97 05/23/1991 1.70 07/19/1992 3.50 09/18/1993 3.07 07/18/1994 2.30 05/30/1995 2.26 06/15/1996 4.26 10/12/1997 3.20 05/22/1998 2.84 06/10/1999 3.34 07/05/2000 2.10 07/19/2001 2.29 10/03/2002 2.44 04/16/2003 1.86 07/05/2004 2.45 06/06/2005 2.65 08/07/2006 3.11 04/23/2007 4.63 05/23/2008 5.46 10/21/2009 2.02 06/14/2010 3.06 Duration: 3 days 08/01/1909 2.62 08/17/1910 3.51 10/05/1911 2.41 07/02/1912 2.47 04/22/1913 2.09 07/04/1914 3.83 07/31/1915 4.54 08/11/1916 2.40 09/25/1917 2.14 07/16/1918 2.29 07/14/1919 1.98 10/14/1920 3.57 05/30/1921 3.48 11/04/1922 2.15 05/22/1923 3.83 07/18/1924 3.17 08/09/1925 1.99 08/11/1926 3.18 04/12/1927 2.29 10/12/1928 2.04 05/29/1929 1.75 06/03/1930 2.70 08/07/1931 2.90 06/02/1932 2.97 04/20/1933 4.49 09/01/1934 2.23 05/18/1935 3.20 05/08/1936 3.95 05/28/1938 2.36 05/26/1939 2.37 05/17/1940 1.39 06/22/1941 1.90 05/31/1942 4.19 07/03/1943 4.21 04/21/1944 3.19 09/26/1945 3.12 10/04/1946 5.37 06/21/1947 3.33 06/08/1949 2.27 05/19/1950 2.30 05/28/1953 2.81 04/30/1954 2.50 08/17/1956 1.39 05/14/1957 3.08 02/26/1958 1.99 03/26/1959 2.06 06/09/1960 3.39 05/20/1961 3.16 05/17/1962 4.35 09/21/1963 3.71 08/20/1964 2.01 05/24/1965 5.81 07/19/1966 2.37 06/14/1967 3.51 10/16/1968 4.16 08/24/1969 3.90 06/11/1970 2.95 11/16/1971 2.58 06/25/1972 2.57 05/26/1973 2.81 06/09/1974 2.77 06/08/1975 3.32 06/23/1976 4.20 05/21/1977 2.09 04/16/1978 1.87 03/21/1979 2.37 03/28/1980 3.14 07/17/1981 2.98 04/27/1982 1.78 06/28/1983 2.07 04/20/1984 3.08 06/26/1985 4.18 09/06/1986 1.90 03/16/1987 3.40 06/30/1988 1.94 06/24/1989 4.70 05/19/1990 3.19 05/23/1991 2.27 07/19/1992 3.53 07/09/1993 3.25 07/18/1994 2.33 03/25/1995 3.10 06/14/1996 4.38 10/12/1997 3.23 05/22/1998 2.87 06/10/1999 3.37 07/05/2000 2.12 07/19/2001 2.32 10/02/2002 2.99 04/16/2003 1.88 07/05/2004 2.47 06/06/2005 2.68 08/07/2006 3.14 04/23/2007 6.07 05/23/2008 5.51 06/10/2009 2.82 06/14/2010 3.09 Duration: 4 days 08/01/1909 2.65 08/17/1910 3.55 08/03/1911 3.04 07/02/1912 2.49 12/03/1913 2.86 07/04/1914 3.87 07/30/1915 5.70 08/10/1916 3.20 09/25/1917 2.16 07/16/1918 2.31 05/31/1919 2.00 10/14/1920 3.61 05/30/1921 3.51 11/04/1922 2.17 05/22/1923 3.87 07/17/1924 3.25 08/09/1925 2.06 08/10/1926 3.86 04/12/1927 2.35 10/12/1928 2.06 05/26/1929 1.77 06/03/1930 2.72 08/07/1931 3.07 06/02/1932 3.23 04/20/1933 4.54 08/15/1934 2.26 05/18/1935 3.47 05/08/1936 4.01 05/03/1938 2.48 05/26/1939 2.39 05/17/1940 1.41 06/06/1941 2.25 06/09/1942 4.33 07/03/1943 4.25 04/23/1944 3.70 09/26/1945 3.16 10/05/1946 6.23 06/21/1947 3.36 06/08/1949 2.61 05/27/1950 2.82 05/28/1953 2.83 04/30/1954 2.53 08/17/1956 1.41 05/14/1957 3.52 02/26/1958 2.08 03/26/1959 2.08 06/08/1960 3.65 05/19/1961 3.48 05/17/1962 4.39 09/21/1963 3.75 08/18/1964 2.04 05/23/1965 5.87 09/13/1966 2.54 06/21/1967 4.28 10/16/1968 4.20 08/24/1969 3.94 06/11/1970 2.98 11/16/1971 2.61 06/25/1972 2.64 05/26/1973 2.84 06/06/1974 2.96 06/18/1975 4.57 06/23/1976 4.24 05/19/1977 2.44 04/14/1978 2.40 07/25/1979 2.78 03/28/1980 3.17 07/17/1981 3.01 04/27/1982 1.80 06/26/1983 2.11 04/20/1984 3.11 06/26/1985 4.22 09/03/1986 1.92 03/16/1987 3.44 06/30/1988 1.96 06/24/1989 4.74 05/19/1990 3.22 05/22/1991 2.51 07/19/1992 5.11 07/08/1993 3.68 07/15/1994 2.35 03/25/1995 3.13 06/14/1996 4.42 10/12/1997 3.26 05/19/1998 2.90 06/10/1999 3.41 07/05/2000 2.14 05/04/2001 2.76 10/02/2002 3.02 04/16/2003 1.90 07/05/2004 2.50 06/06/2005 2.70 08/14/2006 3.94 04/23/2007 6.40 05/23/2008 5.57 06/10/2009 2.85 06/14/2010 3.12 Duration: 7 days 07/29/1909 2.72 08/11/1910 4.56 07/30/1911 3.21 07/02/1912 2.52 11/30/1913 3.62 07/04/1914 3.91 07/27/1915 6.92 08/11/1916 3.30 05/20/1917 2.73 07/16/1918 2.44 05/31/1919 2.86 10/15/1920 3.68 05/26/1921 3.82 10/30/1922 2.42 05/19/1923 5.18 07/14/1924 3.41 08/09/1925 2.80 08/10/1926 3.90 04/14/1927 4.07 07/10/1928 2.48 05/23/1929 1.99 04/25/1930 3.31 08/07/1931 3.10 05/30/1932 3.49 04/20/1933 4.58 08/30/1934 2.61 05/18/1935 3.81 05/08/1936 4.05 05/03/1938 2.54 05/26/1939 3.34 05/17/1940 1.42 06/03/1941 2.65 06/09/1942 4.98 06/07/1943 4.29 04/17/1944 4.73 09/26/1945 3.19 10/04/1946 8.69 06/16/1947 4.40 06/04/1949 2.99 05/26/1950 3.04 05/28/1953 3.55 04/30/1954 2.76 10/25/1956 1.59 05/12/1957 4.24 02/27/1958 2.22 03/26/1959 2.49 06/09/1960 4.42 05/16/1961 4.68 05/13/1962 4.52 09/21/1963 3.78 08/15/1964 2.45 05/22/1965 6.36 09/13/1966 3.48 06/21/1967 4.32 10/16/1968 4.24 08/20/1969 3.98 06/12/1970 3.01 04/19/1971 2.63 06/25/1972 2.67 05/24/1973 3.05 06/05/1974 3.44 06/18/1975 5.59 06/23/1976 4.28 04/15/1977 3.10 04/14/1978 2.54 04/19/1979 3.37 03/28/1980 4.79 07/17/1981 3.04 05/24/1982 2.56 06/11/1983 2.52 04/20/1984 3.14 06/21/1985 4.26 10/09/1986 1.98 03/17/1987 3.89 07/09/1988 2.88 06/24/1989 5.84 05/15/1990 3.61 05/22/1991 3.07 07/19/1992 5.63 07/20/1993 4.67 07/12/1994 3.41 05/30/1995 3.80 05/27/1996 4.52 10/09/1997 3.30 05/18/1998 3.07 08/06/1999 4.34 06/30/2000 2.99 07/20/2001 4.25 10/02/2002 3.05 04/23/2003 2.35 07/05/2004 3.49 06/01/2005 3.89 08/14/2006 3.98 04/23/2007 6.55 05/23/2008 5.84 06/10/2009 3.69 06/08/2010 4.19 Duration: 10 days 07/25/1909 2.97 08/08/1910 5.28 07/30/1911 3.99 07/18/1912 2.98 11/30/1913 3.66 08/19/1914 4.34 07/24/1915 7.30 08/10/1916 4.10 05/21/1917 3.05 05/22/1918 2.78 05/31/1919 3.72 10/14/1920 4.63 05/26/1921 3.86 11/04/1922 2.57 05/15/1923 5.37 07/09/1924 4.39 08/11/1925 2.94 08/10/1926 3.94 04/12/1927 4.76 07/10/1928 3.12 05/29/1929 2.70 10/03/1930 3.99 08/07/1931 3.13 05/25/1932 3.85 04/20/1933 4.70 09/01/1934 2.71 05/13/1935 4.21 05/08/1936 4.09 04/27/1938 3.05 05/26/1939 3.37 07/26/1940 1.71 06/02/1941 2.96 06/02/1942 7.50 06/03/1943 4.38 04/17/1944 5.71 09/26/1945 3.68 10/04/1946 8.78 06/16/1947 4.78 06/04/1949 3.61 05/19/1950 4.02 05/28/1953 3.91 08/06/1954 3.31 06/17/1956 2.36 05/09/1957 4.82 02/26/1958 2.80 03/26/1959 2.51 06/09/1960 5.49 05/14/1961 4.88 05/13/1962 4.57 09/15/1963 3.97 04/20/1964 2.57 05/18/1965 6.45 09/13/1966 3.51 06/14/1967 6.45 10/09/1968 4.28 08/24/1969 4.07 06/11/1970 3.16 04/18/1971 2.95 06/17/1972 3.35 05/26/1973 3.96 06/04/1974 3.61 06/18/1975 5.65 06/23/1976 4.33 05/21/1977 3.57 04/09/1978 3.26 04/25/1979 3.85 03/26/1980 5.06 07/17/1981 4.02 05/24/1982 3.31 06/11/1983 2.58 04/21/1984 4.19 09/05/1985 4.30 05/09/1986 2.84 03/16/1987 5.00 08/04/1988 3.46 06/24/1989 6.59 08/11/1990 4.81 05/16/1991 3.42 07/11/1992 6.72 07/18/1993 5.79 07/12/1994 3.44 05/30/1995 4.05 06/14/1996 5.90 10/09/1997 3.33 07/27/1998 3.97 08/02/1999 5.34 06/30/2000 3.02 07/19/2001 4.55 10/02/2002 3.08 04/16/2003 3.51 07/01/2004 4.18 05/31/2005 4.81 08/08/2006 6.15 04/23/2007 6.62 05/23/2008 5.90 06/10/2009 4.04 06/14/2010 5.61 Duration: 20 days 09/04/1909 3.90 08/01/1910 7.52 08/03/1911 6.10 07/15/1912 3.53 12/02/1913 3.93 07/04/1914 4.81 07/24/1915 8.78 06/04/1916 5.15 05/20/1917 3.98 06/29/1918 4.22 06/01/1919 4.06 10/14/1920 5.77 05/15/1921 5.72 07/22/1922 3.89 05/19/1923 6.72 07/09/1924 5.50 08/09/1925 4.55 07/27/1926 4.85 04/09/1927 5.54 07/10/1928 4.72 05/24/1929 3.13 04/29/1930 6.00 08/07/1931 3.68 05/31/1932 5.27 04/20/1933 8.15 08/15/1934 5.12 05/13/1935 6.38 05/08/1936 5.12 04/21/1938 3.76 05/26/1939 4.90 06/03/1941 4.70 06/01/1942 10.35 05/31/1943 4.91 04/14/1944 8.24 09/17/1945 4.38 09/28/1946 9.41 06/06/1947 6.67 05/30/1949 4.97 05/12/1950 5.54 05/28/1953 4.73 08/01/1954 4.97 06/17/1956 2.89 06/14/1957 6.24 02/26/1958 3.34 05/05/1959 3.56 06/06/1960 7.61 05/04/1961 6.55 05/17/1962 6.24 06/01/1963 5.52 06/04/1964 3.23 05/24/1965 8.59 07/15/1966 4.26 06/05/1967 9.27 07/23/1968 4.93 08/20/1969 6.14 05/25/1970 4.28 04/18/1971 3.76 06/19/1972 4.52 05/24/1973 4.34 05/25/1974 4.57 06/08/1975 9.03 06/23/1976 4.79 04/14/1977 5.09 04/02/1978 3.65 04/20/1979 5.60 03/26/1980 5.08 07/17/1981 6.20 05/14/1982 4.82 06/11/1983 4.69 04/20/1984 6.30 08/29/1985 6.24 05/09/1986 3.69 06/20/1987 7.46 06/30/1988 6.04 06/24/1989 7.04 05/04/1990 5.57 05/16/1991 4.73 07/11/1992 9.54 07/08/1993 9.60 06/30/1994 5.24 05/22/1995 5.65 05/27/1996 6.97 10/09/1997 5.28 05/11/1998 4.46 08/02/1999 6.86 06/19/2000 3.76 07/19/2001 4.87 08/09/2002 3.08 04/16/2003 4.85 06/28/2004 5.03 05/31/2005 6.04 08/01/2006 7.94 04/23/2007 7.13 05/11/2008 8.70 05/26/2009 5.09 06/04/2010 8.28 Duration: 30 days 09/01/1909 4.82 07/21/1910 8.64 07/09/1911 7.45 07/02/1912 5.38 04/20/1913 4.41 06/09/1914 7.66 05/20/1915 10.01 05/29/1916 5.62 04/27/1917 4.43 06/29/1918 4.58 05/11/1919 5.33 10/14/1920 5.91 05/07/1921 6.49 07/07/1922 4.56 05/19/1923 8.43 07/17/1924 6.78 07/25/1925 4.88 07/16/1926 5.04 04/09/1927 6.87 06/30/1928 5.54 05/23/1929 3.22 04/15/1930 7.95 07/13/1931 3.77 05/25/1932 6.73 04/20/1933 8.49 08/15/1934 5.60 05/19/1935 7.49 05/08/1936 6.29 05/03/1938 5.39 05/26/1939 7.85 05/17/1940 2.65 05/28/1941 5.60 05/25/1942 13.42 06/07/1943 8.00 04/10/1944 9.05 09/07/1945 5.20 09/19/1946 11.05 05/28/1947 8.03 05/16/1949 6.36 05/19/1950 7.39 05/10/1953 5.52 07/23/1954 6.53 06/17/1956 3.19 06/12/1957 7.10 06/17/1958 3.91 07/17/1959 4.42 06/06/1960 9.14 04/27/1961 7.31 05/13/1962 8.26 08/31/1963 8.42 06/12/1964 4.43 05/14/1965 10.14 07/15/1966 6.56 05/27/1967 13.04 07/19/1968 6.04 08/24/1969 9.38 05/14/1970 5.44 04/20/1971 5.52 06/11/1972 5.75 09/01/1973 5.85 05/18/1974 4.72 05/28/1975 9.64 06/23/1976 5.43 05/03/1977 6.22 07/12/1978 5.12 04/11/1979 8.38 03/05/1980 5.28 07/17/1981 6.58 05/05/1982 6.51 06/02/1983 5.08 04/20/1984 8.08 04/19/1985 7.29 05/15/1986 4.56 06/09/1987 9.74 07/15/1988 6.17 06/24/1989 8.58 05/04/1990 6.80 04/29/1991 6.07 07/02/1992 10.14 06/28/1993 11.45 06/20/1994 7.33 05/01/1995 6.92 05/27/1996 10.62 08/11/1997 5.73 07/05/1998 6.53 05/17/1999 7.89 06/19/2000 4.52 07/19/2001 6.88 10/02/2002 4.57 05/27/2003 5.68 06/15/2004 6.95 05/12/2005 7.02 07/21/2006 9.99 03/28/2007 8.92 05/07/2008 10.36 05/26/2009 6.51 05/25/2010 9.53 Duration: 45 days 09/01/1909 6.09 07/11/1910 9.78 07/09/1911 10.45 07/02/1912 6.26 04/09/1913 5.11 06/12/1914 8.67 05/19/1915 13.74 05/12/1916 8.61 04/19/1917 6.31 07/07/1918 5.99 05/31/1919 7.85 04/11/1920 6.09 04/26/1921 7.56 06/27/1922 5.97 04/26/1923 9.91 07/09/1924 8.96 08/09/1925 6.04 07/05/1926 7.33 03/31/1927 7.14 05/31/1928 8.06 05/05/1929 3.91 04/25/1930 10.28 07/02/1931 5.71 05/25/1932 8.62 04/20/1933 9.76 07/25/1934 5.73 05/15/1935 10.34 04/26/1936 7.40 04/15/1938 7.16 05/19/1939 8.70 05/10/1941 7.70 05/10/1942 15.45 06/03/1943 9.13 04/17/1944 11.03 05/21/1945 5.72 09/01/1946 13.53 05/12/1947 8.94 05/05/1949 10.13 05/05/1950 9.23 05/03/1953 6.34 07/23/1954 6.95 06/04/1956 4.42 05/14/1957 9.62 06/10/1958 5.75 03/26/1959 6.80 05/29/1960 10.57 04/08/1961 8.46 05/17/1962 10.07 08/09/1963 10.74 05/28/1964 5.58 05/23/1965 13.44 06/08/1966 7.61 05/27/1967 15.54 07/03/1968 7.44 08/24/1969 10.49 05/14/1970 6.10 04/18/1971 6.88 06/25/1972 7.24 08/31/1973 6.48 05/26/1974 5.60 05/10/1975 11.24 06/23/1976 6.37 04/16/1977 9.12 04/14/1978 5.93 03/19/1979 10.37 02/29/1980 5.66 07/17/1981 8.29 04/27/1982 8.24 05/01/1983 6.99 04/21/1984 8.63 05/13/1985 9.83 04/28/1986 6.27 05/25/1987 11.13 06/30/1988 9.50 06/18/1989 10.19 04/27/1990 7.02 04/19/1991 7.84 06/10/1992 11.88 06/13/1993 15.30 06/13/1994 8.83 04/26/1995 9.25 05/09/1996 12.19 09/02/1997 8.45 06/22/1998 7.25 05/03/1999 10.35 06/19/2000 5.04 07/11/2001 8.16 08/23/2002 5.09 04/16/2003 8.05 06/15/2004 8.43 05/12/2005 8.08 07/10/2006 10.45 03/26/2007 9.74 05/07/2008 11.55 05/26/2009 7.09 06/01/2010 11.86 Duration: 60 days 07/29/1909 7.61 07/11/1910 11.10 06/24/1911 11.35 06/07/1912 8.16 04/09/1913 6.07 05/21/1914 10.77 06/04/1915 17.71 04/17/1916 8.91 04/16/1917 7.17 05/24/1918 7.26 05/31/1919 8.53 08/18/1920 8.37 04/05/1921 10.28 06/19/1922 6.68 04/21/1923 12.44 07/17/1924 10.10 06/22/1925 7.13 06/15/1926 9.65 04/19/1927 8.90 05/31/1928 10.32 09/04/1929 4.15 04/15/1930 13.02 07/02/1931 6.32 06/02/1932 9.73 03/30/1933 10.10 07/25/1934 6.21 05/09/1935 11.01 04/26/1936 7.40 04/14/1938 8.13 05/02/1939 9.56 06/05/1940 4.10 04/13/1941 9.60 04/25/1942 18.46 05/09/1943 10.02 04/10/1944 13.56 08/09/1945 6.81 08/15/1946 15.56 05/28/1947 10.20 05/05/1949 11.70 05/05/1950 9.86 05/17/1953 7.30 07/23/1954 7.46 06/22/1956 5.68 05/10/1957 12.58 04/23/1958 6.86 03/26/1959 7.87 05/16/1960 11.98 04/08/1961 9.20 05/17/1962 13.10 07/27/1963 10.89 05/24/1964 5.87 05/14/1965 15.62 07/19/1966 9.44 05/30/1967 17.31 07/03/1968 8.54 08/24/1969 12.12 05/22/1970 7.05 04/19/1971 8.71 05/10/1972 9.00 05/24/1973 7.41 06/08/1974 6.67 04/23/1975 12.85 03/29/1976 7.26 04/02/1977 10.08 04/02/1978 7.70 03/21/1979 11.91 03/26/1980 7.63 06/26/1981 9.79 04/28/1982 10.22 05/01/1983 9.65 03/26/1984 10.27 07/19/1985 11.62 04/18/1986 7.41 05/20/1987 13.24 06/17/1988 9.61 05/17/1989 10.57 05/09/1990 8.41 04/19/1991 8.29 05/31/1992 13.16 06/24/1993 17.19 06/07/1994 10.37 04/11/1995 10.84 05/27/1996 14.94 09/02/1997 10.50 05/18/1998 8.17 04/14/1999 14.26 09/20/2000 5.31 07/20/2001 9.73 08/09/2002 6.13 04/16/2003 10.77 06/15/2004 9.00 05/12/2005 8.68 07/21/2006 11.84 04/23/2007 11.89 04/08/2008 12.80 04/29/2009 8.38 05/17/2010 13.46