Precipitation annual maximum series (inches) Station ID: 40-2489 Station name: DICKSON State: TN Latitude (decimal degrees): 36.0747 Longitude (decimal degrees): 87.3936 Elevation (feet): 780 Duration: 01d 2.70 1901 4.00 1902 3.23 1903 3.30 1904 3.71 1905 -9.99 1906 3.26 1907 1.90 1908 2.61 1909 5.65 1910 3.20 1911 3.00 1912 4.15 1913 1.45 1914 4.00 1915 2.65 1916 2.60 1917 3.27 1918 2.50 1919 2.00 1920 2.20 1921 3.20 1922 2.12 1923 2.24 1924 2.34 1925 3.85 1926 3.26 1927 5.80 1928 2.37 1929 4.74 1930 2.14 1931 2.82 1932 2.10 1933 2.60 1934 5.31 1935 3.22 1936 3.19 1937 4.54 1938 1.64 1939 2.74 1940 2.97 1941 3.19 1942 3.15 1943 2.90 1944 2.92 1945 2.77 1946 2.10 1947 4.20 1948 4.02 1949 2.50 1950 3.30 1951 2.55 1952 2.15 1953 3.12 1954 4.05 1955 3.75 1956 3.80 1957 3.10 1958 3.60 1959 2.37 1960 2.55 1961 2.83 1962 3.62 1963 3.15 1964 2.50 1965 2.40 1966 3.67 1967 2.13 1968 2.90 1969 7.05 1970 2.40 1971 4.05 1972 3.80 1973 4.50 1974 6.02 1975 3.08 1976 3.50 1977 4.14 1978 6.08 1979 3.04 1980 2.51 1981 2.31 1982 2.56 1983 4.46 1984 2.25 1985 3.85 1986 2.70 1987 2.42 1988 3.68 1989 3.50 1990 4.94 1991 2.20 1992 3.13 1993 2.83 1994 2.53 1995 2.50 1996 3.10 1997 2.82 1998 4.05 1999 2.00 2000 Duration: 01h -9/-9/-999 -9.99 06/14/1949 0.93 02/09/1950 0.98 06/20/1951 1.05 07/04/1952 1.00 07/07/1953 1.10 12/05/1954 0.79 03/20/1955 1.52 04/03/1956 1.82 08/13/1957 2.21 06/01/1958 1.28 05/27/1959 2.28 07/01/1960 1.74 08/31/1961 0.83 08/07/1962 1.60 07/13/1963 1.47 01/19/1964 1.13 07/25/1965 1.35 08/19/1966 1.22 05/14/1967 0.99 07/08/1968 1.11 07/20/1969 1.14 06/20/1970 1.35 08/02/1971 1.40 07/27/1972 2.40 07/24/1973 1.40 05/24/1974 1.40 03/12/1975 1.30 07/06/1976 2.00 09/25/1977 1.20 03/13/1978 1.00 04/11/1979 1.40 06/29/1980 1.20 07/10/1981 1.70 12/03/1982 0.80 09/12/1983 1.80 05/07/1984 1.50 07/05/1985 1.20 11/08/1986 1.30 07/23/1987 1.90 08/11/1988 0.80 05/26/1989 1.10 10/04/1990 1.00 07/08/1991 1.90 07/05/1992 1.20 06/12/1993 1.90 08/14/1994 1.80 05/14/1995 1.30 07/14/1996 1.10 05/26/1997 1.60 07/23/1998 1.20 07/01/1999 1.80 01/03/2000 1.40 Duration: 02d 4.03 1901 4.50 1902 5.00 1903 3.77 1904 3.99 1905 -9.99 1906 3.36 1907 2.65 1908 2.61 1909 5.95 1910 3.70 1911 4.50 1912 6.67 1913 1.95 1914 4.75 1915 2.90 1916 2.60 1917 3.27 1918 4.75 1919 3.20 1920 2.20 1921 4.40 1922 2.65 1923 4.05 1924 2.49 1925 5.13 1926 3.78 1927 6.17 1928 2.43 1929 4.99 1930 3.48 1931 3.24 1932 3.48 1933 3.80 1934 6.96 1935 4.47 1936 3.69 1937 5.06 1938 2.47 1939 3.01 1940 3.14 1941 3.55 1942 4.10 1943 2.96 1944 4.65 1945 4.00 1946 2.28 1947 5.48 1948 5.34 1949 3.83 1950 3.48 1951 2.95 1952 2.40 1953 3.40 1954 4.47 1955 5.12 1956 4.08 1957 3.60 1958 4.20 1959 2.37 1960 2.55 1961 4.70 1962 3.62 1963 3.60 1964 3.06 1965 3.15 1966 4.89 1967 4.27 1968 4.05 1969 7.23 1970 3.05 1971 6.10 1972 6.08 1973 4.54 1974 6.75 1975 3.08 1976 5.00 1977 7.42 1978 6.27 1979 3.05 1980 2.68 1981 2.83 1982 4.04 1983 8.30 1984 2.53 1985 4.82 1986 4.98 1987 2.93 1988 4.01 1989 4.12 1990 7.39 1991 2.75 1992 3.73 1993 3.49 1994 2.78 1995 3.23 1996 4.58 1997 5.47 1998 4.42 1999 2.78 2000 Duration: 02h -9/-9/-999 -9.99 10/14/1949 1.05 02/08/1950 1.76 06/20/1951 1.47 07/04/1952 1.48 03/03/1953 1.33 03/23/1954 1.20 03/20/1955 1.68 04/03/1956 1.92 08/13/1957 2.24 09/20/1958 1.41 05/27/1959 2.87 07/01/1960 2.24 06/08/1961 0.89 09/13/1962 1.84 07/13/1963 1.73 01/19/1964 1.45 07/25/1965 1.57 08/19/1966 1.34 10/24/1967 1.19 06/16/1968 1.60 07/20/1969 1.64 06/20/1970 2.25 08/02/1971 1.80 07/27/1972 3.00 07/24/1973 2.30 09/27/1974 1.90 09/19/1975 1.80 07/06/1976 3.00 09/25/1977 1.60 12/07/1978 1.70 04/11/1979 2.50 06/29/1980 1.80 07/10/1981 1.80 12/03/1982 1.40 09/12/1983 1.90 05/06/1984 2.00 07/05/1985 1.40 11/08/1986 1.50 07/23/1987 1.90 09/03/1988 1.30 05/26/1989 1.60 10/04/1990 1.80 07/08/1991 2.10 07/05/1992 1.50 06/12/1993 2.20 08/14/1994 1.90 05/09/1995 1.60 05/15/1996 1.60 05/26/1997 2.10 07/23/1998 1.50 07/01/1999 2.90 05/25/2000 1.60 Duration: 03h -9/-9/-999 -9.99 06/14/1949 1.34 02/08/1950 1.86 12/03/1951 1.71 07/04/1952 1.48 03/03/1953 1.36 03/23/1954 1.51 03/20/1955 1.88 04/03/1956 2.01 08/13/1957 2.26 09/20/1958 1.54 05/27/1959 3.35 07/01/1960 2.25 06/08/1961 1.05 09/13/1962 1.90 07/13/1963 1.95 01/19/1964 1.50 07/25/1965 1.57 08/19/1966 1.35 06/28/1967 1.39 06/16/1968 1.74 07/20/1969 1.72 06/20/1970 2.93 08/02/1971 1.90 07/27/1972 3.40 07/24/1973 2.70 09/27/1974 2.30 03/11/1975 2.10 07/06/1976 3.00 09/25/1977 1.80 12/07/1978 2.00 04/11/1979 2.80 06/29/1980 2.20 07/10/1981 1.90 12/03/1982 1.80 09/12/1983 2.00 05/06/1984 2.10 07/05/1985 1.50 11/08/1986 1.60 07/23/1987 2.00 12/21/1988 1.50 05/26/1989 1.60 10/04/1990 1.90 05/26/1991 2.50 07/05/1992 1.50 06/12/1993 2.20 08/14/1994 1.90 05/09/1995 2.10 05/15/1996 1.90 05/26/1997 2.50 05/25/1998 1.70 07/01/1999 3.70 05/25/2000 1.90 Duration: 04d 5.79 1901 6.50 1902 7.17 1903 5.55 1904 3.99 1905 -9.99 1906 5.00 1907 3.35 1908 3.26 1909 5.97 1910 5.16 1911 6.30 1912 7.40 1913 3.27 1914 5.82 1915 2.90 1916 3.68 1917 3.75 1918 5.00 1919 4.80 1920 3.05 1921 4.40 1922 3.14 1923 5.58 1924 2.67 1925 6.63 1926 4.83 1927 6.23 1928 3.99 1929 5.21 1930 3.78 1931 4.92 1932 4.23 1933 3.80 1934 8.53 1935 4.73 1936 5.93 1937 7.01 1938 3.28 1939 3.01 1940 3.23 1941 3.90 1942 4.62 1943 3.75 1944 4.65 1945 4.42 1946 3.45 1947 5.61 1948 6.32 1949 4.46 1950 3.86 1951 3.14 1952 3.73 1953 3.74 1954 6.39 1955 5.80 1956 4.51 1957 3.60 1958 4.82 1959 4.15 1960 3.20 1961 5.68 1962 3.62 1963 3.87 1964 3.83 1965 3.92 1966 6.09 1967 4.27 1968 4.75 1969 7.35 1970 3.40 1971 6.14 1972 6.31 1973 5.88 1974 7.59 1975 5.04 1976 5.00 1977 7.59 1978 6.27 1979 3.43 1980 3.21 1981 3.54 1982 5.95 1983 9.05 1984 2.84 1985 5.22 1986 6.45 1987 5.07 1988 6.07 1989 5.40 1990 7.70 1991 2.75 1992 3.99 1993 4.12 1994 3.84 1995 3.24 1996 6.95 1997 5.62 1998 4.42 1999 3.46 2000 Duration: 06h -9/-9/-999 -9.99 06/14/1949 2.28 02/08/1950 1.92 12/03/1951 2.27 03/10/1952 1.69 04/29/1953 2.10 03/23/1954 1.97 09/30/1955 2.28 01/29/1956 2.68 08/13/1957 2.26 09/20/1958 2.34 05/27/1959 3.59 07/01/1960 2.39 06/08/1961 1.44 04/10/1962 2.21 07/13/1963 1.95 11/19/1964 1.74 03/29/1965 1.98 02/10/1966 1.73 07/05/1967 1.78 11/27/1968 2.32 06/14/1969 1.82 06/20/1970 3.08 08/02/1971 1.90 07/27/1972 4.30 07/24/1973 2.70 09/27/1974 3.10 03/11/1975 2.40 07/06/1976 3.00 09/25/1977 2.30 12/08/1978 2.70 09/13/1979 4.20 06/29/1980 2.80 07/10/1981 1.90 12/03/1982 2.20 03/05/1983 2.10 07/15/1984 3.20 07/05/1985 1.50 11/08/1986 2.10 07/23/1987 2.00 12/21/1988 2.10 10/16/1989 2.50 10/04/1990 2.20 05/26/1991 4.10 03/09/1992 1.70 06/12/1993 2.20 08/14/1994 2.00 05/09/1995 2.50 05/15/1996 1.90 05/26/1997 3.00 06/05/1998 2.00 07/01/1999 4.00 05/25/2000 1.90 Duration: 07d 7.19 1901 7.00 1902 9.54 1903 5.55 1904 5.38 1905 -9.99 1906 6.71 1907 4.15 1908 5.49 1909 5.97 1910 6.90 1911 6.30 1912 8.60 1913 4.19 1914 7.02 1915 3.52 1916 4.00 1917 4.55 1918 6.90 1919 4.80 1920 3.32 1921 6.50 1922 4.31 1923 5.58 1924 3.19 1925 9.39 1926 6.44 1927 6.23 1928 4.30 1929 5.90 1930 4.97 1931 5.15 1932 6.53 1933 4.20 1934 9.13 1935 5.23 1936 9.31 1937 7.01 1938 4.64 1939 3.63 1940 3.64 1941 4.00 1942 5.87 1943 6.80 1944 4.69 1945 5.59 1946 4.08 1947 5.61 1948 7.25 1949 5.06 1950 5.17 1951 3.26 1952 4.15 1953 5.94 1954 7.28 1955 8.50 1956 6.53 1957 3.91 1958 6.05 1959 5.47 1960 3.43 1961 8.46 1962 4.56 1963 4.38 1964 5.14 1965 5.32 1966 6.09 1967 5.07 1968 5.41 1969 7.35 1970 3.81 1971 6.14 1972 8.01 1973 6.41 1974 7.77 1975 5.54 1976 5.14 1977 12.01 1978 6.27 1979 4.37 1980 4.50 1981 4.60 1982 8.42 1983 10.97 1984 3.23 1985 6.56 1986 6.80 1987 5.08 1988 8.20 1989 6.58 1990 7.70 1991 3.37 1992 4.56 1993 4.48 1994 5.09 1995 4.05 1996 8.71 1997 5.91 1998 7.07 1999 4.02 2000 Duration: 10d 8.11 1901 8.00 1902 11.54 1903 5.55 1904 5.58 1905 -9.99 1906 8.17 1907 4.15 1908 5.49 1909 6.63 1910 6.90 1911 6.37 1912 9.11 1913 4.19 1914 7.82 1915 4.61 1916 5.85 1917 5.05 1918 6.90 1919 5.70 1920 3.70 1921 6.50 1922 5.02 1923 5.58 1924 4.70 1925 10.63 1926 7.16 1927 6.23 1928 5.65 1929 6.80 1930 5.37 1931 6.00 1932 7.20 1933 5.83 1934 9.63 1935 5.23 1936 11.41 1937 7.17 1938 5.11 1939 4.18 1940 5.87 1941 4.95 1942 7.85 1943 7.02 1944 6.07 1945 5.87 1946 4.96 1947 6.75 1948 7.63 1949 6.56 1950 5.67 1951 5.60 1952 4.28 1953 6.56 1954 7.91 1955 9.21 1956 8.43 1957 3.91 1958 6.60 1959 5.80 1960 6.00 1961 8.88 1962 4.81 1963 5.27 1964 6.07 1965 6.33 1966 6.94 1967 5.52 1968 5.96 1969 7.99 1970 4.91 1971 6.60 1972 8.59 1973 7.95 1974 7.97 1975 6.02 1976 6.85 1977 12.03 1978 8.05 1979 5.46 1980 5.04 1981 5.52 1982 8.75 1983 11.07 1984 4.28 1985 6.96 1986 7.51 1987 6.55 1988 9.33 1989 8.24 1990 8.38 1991 4.52 1992 5.31 1993 4.48 1994 6.78 1995 4.36 1996 9.09 1997 6.79 1998 7.54 1999 4.03 2000 Duration: 12h -9/-9/-999 -9.99 06/14/1949 3.72 05/06/1950 2.18 12/14/1951 2.84 03/10/1952 1.98 04/29/1953 2.36 01/20/1954 3.10 05/21/1955 2.66 01/29/1956 3.65 04/03/1957 3.31 09/20/1958 2.73 05/27/1959 3.59 07/01/1960 2.39 12/09/1961 1.96 04/10/1962 2.76 08/28/1963 3.62 09/27/1964 2.37 07/02/1965 2.19 02/10/1966 2.16 07/05/1967 2.36 11/27/1968 3.08 11/18/1969 2.48 06/20/1970 3.26 08/02/1971 2.20 07/27/1972 5.20 11/26/1973 2.80 09/27/1974 3.20 03/11/1975 3.20 07/06/1976 3.00 03/03/1977 3.00 12/03/1978 3.90 09/13/1979 5.80 06/29/1980 3.00 02/01/1981 2.20 12/03/1982 2.50 05/18/1983 2.70 05/06/1984 3.80 09/25/1985 1.60 11/07/1986 3.10 07/23/1987 2.00 12/21/1988 2.30 05/26/1989 2.80 12/18/1990 2.40 05/26/1991 5.60 03/09/1992 2.70 06/12/1993 2.20 03/08/1994 2.20 05/09/1995 2.50 12/16/1996 2.30 05/26/1997 3.00 06/04/1998 2.70 07/01/1999 4.00 05/25/2000 1.90 Duration: 20d 9.42 1901 10.15 1902 12.31 1903 8.60 1904 7.92 1905 -9.99 1906 11.04 1907 6.78 1908 8.40 1909 7.38 1910 12.19 1911 8.83 1912 11.67 1913 5.69 1914 8.43 1915 8.83 1916 7.15 1917 7.97 1918 10.28 1919 9.20 1920 6.40 1921 7.14 1922 8.52 1923 7.41 1924 6.41 1925 13.73 1926 9.77 1927 10.00 1928 9.41 1929 7.99 1930 7.27 1931 9.64 1932 11.07 1933 7.68 1934 9.63 1935 7.71 1936 14.46 1937 13.60 1938 8.17 1939 7.44 1940 8.13 1941 6.53 1942 8.86 1943 9.37 1944 8.66 1945 7.74 1946 7.96 1947 8.23 1948 9.08 1949 10.17 1950 9.60 1951 8.18 1952 8.24 1953 8.27 1954 10.74 1955 12.82 1956 10.79 1957 6.05 1958 9.12 1959 7.60 1960 6.88 1961 11.30 1962 8.34 1963 7.81 1964 8.50 1965 8.19 1966 9.75 1967 6.64 1968 6.41 1969 8.42 1970 6.68 1971 9.12 1972 9.37 1973 11.60 1974 12.20 1975 8.36 1976 8.95 1977 13.74 1978 9.94 1979 7.28 1980 8.07 1981 7.87 1982 11.70 1983 11.11 1984 4.83 1985 9.27 1986 8.70 1987 8.32 1988 13.26 1989 11.76 1990 11.14 1991 5.28 1992 6.65 1993 7.54 1994 8.69 1995 6.66 1996 11.79 1997 9.82 1998 9.84 1999 4.71 2000 Duration: 24h -9/-9/-999 -9.99 06/14/1949 4.11 05/06/1950 3.44 01/02/1951 3.34 03/02/1952 2.82 04/29/1953 2.36 01/20/1954 3.15 03/20/1955 4.21 01/29/1956 5.40 01/22/1957 3.98 09/19/1958 3.54 05/26/1959 3.80 07/01/1960 2.39 12/08/1961 2.50 02/26/1962 4.18 08/28/1963 3.62 12/03/1964 3.28 03/28/1965 2.88 02/10/1966 2.16 03/05/1967 2.75 11/27/1968 4.30 11/18/1969 3.14 06/20/1970 4.91 08/21/1971 2.90 07/27/1972 5.90 11/26/1973 4.60 09/01/1974 4.40 03/11/1975 5.60 07/06/1976 3.00 03/03/1977 3.70 12/07/1978 5.60 09/13/1979 6.10 06/29/1980 3.00 05/18/1981 2.70 12/03/1982 2.80 05/18/1983 4.20 05/06/1984 5.20 08/16/1985 2.10 11/07/1986 4.20 11/09/1987 2.40 03/31/1988 3.20 05/26/1989 2.80 12/17/1990 3.10 05/26/1991 6.80 03/09/1992 2.80 12/03/1993 3.50 03/08/1994 3.00 11/06/1995 2.80 12/16/1996 3.20 05/26/1997 3.40 06/04/1998 4.70 01/22/1999 4.20 07/29/2000 2.40 Duration: 30d 10.68 1901 15.15 1902 13.73 1903 8.81 1904 8.74 1905 -9.99 1906 11.50 1907 8.53 1908 9.83 1909 11.08 1910 13.99 1911 10.33 1912 13.72 1913 7.14 1914 11.90 1915 10.96 1916 9.03 1917 8.95 1918 11.54 1919 9.20 1920 7.29 1921 9.68 1922 9.67 1923 10.10 1924 8.84 1925 14.86 1926 12.30 1927 13.30 1928 11.18 1929 9.14 1930 10.08 1931 12.55 1932 11.85 1933 9.20 1934 12.25 1935 10.05 1936 19.13 1937 15.76 1938 10.37 1939 8.15 1940 10.81 1941 7.67 1942 9.57 1943 10.37 1944 10.01 1945 9.13 1946 9.81 1947 10.38 1948 9.88 1949 13.65 1950 11.98 1951 9.25 1952 9.14 1953 8.27 1954 14.18 1955 16.29 1956 13.08 1957 7.57 1958 11.21 1959 7.88 1960 10.10 1961 12.80 1962 9.97 1963 9.84 1964 10.19 1965 10.15 1966 10.98 1967 8.34 1968 7.89 1969 10.53 1970 7.90 1971 10.86 1972 10.62 1973 12.29 1974 12.66 1975 8.80 1976 10.31 1977 16.89 1978 13.60 1979 10.57 1980 10.32 1981 11.04 1982 15.08 1983 12.83 1984 6.50 1985 10.69 1986 9.90 1987 12.45 1988 13.83 1989 13.77 1990 13.28 1991 7.65 1992 8.43 1993 10.58 1994 10.60 1995 8.34 1996 12.96 1997 11.70 1998 10.79 1999 5.93 2000 Duration: 45d 12.67 1901 16.85 1902 14.81 1903 9.08 1904 11.73 1905 -9.99 1906 13.77 1907 11.19 1908 13.94 1909 13.53 1910 15.64 1911 14.80 1912 16.24 1913 9.15 1914 14.32 1915 13.82 1916 12.77 1917 8.57 1918 13.38 1919 9.70 1920 10.18 1921 13.01 1922 12.12 1923 12.31 1924 10.37 1925 17.61 1926 19.63 1927 17.39 1928 13.32 1929 11.22 1930 8.28 1931 14.89 1932 17.29 1933 11.72 1934 13.84 1935 10.89 1936 21.33 1937 19.40 1938 13.46 1939 11.48 1940 12.77 1941 9.25 1942 11.79 1943 11.93 1944 12.31 1945 12.33 1946 12.59 1947 15.73 1948 14.28 1949 20.02 1950 18.01 1951 10.93 1952 11.89 1953 10.85 1954 17.30 1955 18.31 1956 15.18 1957 10.28 1958 11.86 1959 8.66 1960 11.17 1961 18.55 1962 12.67 1963 12.26 1964 12.35 1965 11.13 1966 11.93 1967 9.67 1968 11.09 1969 11.60 1970 9.65 1971 13.53 1972 14.53 1973 14.38 1974 15.61 1975 12.60 1976 16.39 1977 19.61 1978 16.69 1979 12.74 1980 13.14 1981 13.46 1982 17.93 1983 13.67 1984 9.42 1985 13.42 1986 12.98 1987 8.93 1988 18.62 1989 16.77 1990 15.27 1991 9.74 1992 10.23 1993 13.61 1994 13.40 1995 10.88 1996 16.13 1997 14.60 1998 11.77 1999 8.87 2000 Duration: 48h -9/-9/-999 -9.99 06/14/1949 5.19 05/06/1950 3.72 01/02/1951 3.53 03/02/1952 2.85 03/01/1953 2.77 01/20/1954 3.53 03/20/1955 4.68 01/28/1956 5.67 01/20/1957 4.24 09/19/1958 3.57 05/25/1959 4.63 06/27/1960 2.90 12/16/1961 2.76 02/25/1962 5.49 08/28/1963 3.62 12/02/1964 3.85 02/09/1965 3.09 08/11/1966 3.19 03/05/1967 3.09 11/27/1968 4.30 12/28/1969 3.98 06/20/1970 5.10 08/02/1971 3.10 07/27/1972 6.10 11/26/1973 6.10 09/01/1974 4.50 03/11/1975 6.70 07/06/1976 3.00 03/03/1977 3.70 12/07/1978 7.30 09/13/1979 6.10 05/16/1980 3.00 05/17/1981 3.20 12/03/1982 3.20 05/18/1983 4.30 05/06/1984 8.80 11/26/1985 2.40 11/07/1986 4.70 02/26/1987 3.10 03/30/1988 3.80 06/12/1989 3.10 12/17/1990 3.70 05/25/1991 8.10 03/09/1992 2.80 12/03/1993 3.80 03/07/1994 3.70 03/06/1995 3.30 12/16/1996 3.20 02/28/1997 4.40 06/04/1998 5.40 01/22/1999 4.20 05/25/2000 2.80 Duration: 60d 13.50 1901 17.65 1902 18.81 1903 10.57 1904 14.06 1905 -9.99 1906 15.85 1907 13.06 1908 17.59 1909 16.61 1910 18.10 1911 17.93 1912 18.65 1913 10.79 1914 19.73 1915 16.53 1916 14.35 1917 11.38 1918 17.50 1919 11.77 1920 12.70 1921 16.41 1922 15.96 1923 15.44 1924 12.03 1925 20.76 1926 22.21 1927 21.05 1928 16.64 1929 13.80 1930 10.27 1931 20.04 1932 20.58 1933 14.12 1934 17.17 1935 11.65 1936 23.49 1937 22.17 1938 17.01 1939 14.10 1940 17.50 1941 13.42 1942 12.69 1943 15.01 1944 15.81 1945 14.85 1946 13.10 1947 18.34 1948 13.48 1949 22.10 1950 21.43 1951 13.09 1952 14.45 1953 12.35 1954 19.85 1955 20.71 1956 17.83 1957 13.18 1958 15.63 1959 9.17 1960 13.92 1961 23.86 1962 16.29 1963 15.33 1964 16.03 1965 13.11 1966 13.62 1967 11.87 1968 12.15 1969 18.03 1970 11.00 1971 16.59 1972 19.98 1973 16.62 1974 19.48 1975 15.30 1976 18.47 1977 22.55 1978 18.85 1979 14.14 1980 17.37 1981 14.65 1982 22.61 1983 16.50 1984 10.75 1985 15.51 1986 9.76 1987 17.89 1988 23.12 1989 19.56 1990 19.15 1991 12.37 1992 12.57 1993 16.24 1994 15.41 1995 14.68 1996 18.16 1997 19.18 1998 16.90 1999 11.68 2000