Precipitation annual maximum series (inches) Station ID: 33-8552 Station name: URBANA WWTP State: OH Latitude (decimal degrees): 40.1000 Longitude (decimal degrees): 83.7833 Elevation (feet): 1000 Duration: 01d 2.30 1896 2.08 1897 3.00 1898 1.28 1899 1.40 1900 2.09 1901 2.32 1902 2.21 1903 1.65 1904 2.85 1905 1.83 1906 2.87 1907 2.15 1908 1.88 1909 3.50 1910 3.52 1911 1.62 1912 3.12 1913 1.52 1914 2.15 1915 3.15 1916 1.72 1917 2.60 1918 2.24 1919 1.80 1920 2.95 1921 2.10 1922 1.70 1923 2.83 1924 3.13 1925 3.05 1926 2.66 1927 2.22 1928 1.73 1929 1.52 1930 2.14 1931 2.42 1932 2.68 1933 2.40 1934 1.84 1935 1.99 1936 2.18 1937 1.74 1938 2.27 1939 2.17 1940 1.82 1941 2.69 1942 1.55 1943 1.87 1944 2.48 1945 4.37 1946 2.01 1947 2.10 1948 1.93 1949 2.25 1950 1.53 1951 2.60 1952 1.40 1953 2.25 1954 1.68 1955 2.58 1956 2.24 1957 2.10 1958 3.48 1959 1.61 1960 1.71 1961 3.43 1962 1.85 1963 2.52 1964 2.11 1965 1.80 1966 1.45 1967 2.02 1968 3.00 1969 2.61 1970 3.71 1971 1.93 1972 3.75 1973 2.60 1974 4.20 1975 2.38 1976 2.70 1977 1.96 1978 3.50 1979 2.40 1980 2.20 1981 2.55 1982 1.54 1983 2.80 1984 1.87 1985 3.05 1986 3.15 1987 1.62 1988 2.96 1989 3.60 1990 1.40 1991 3.65 1992 2.26 1993 1.85 1994 2.90 1995 2.90 1996 3.50 1997 2.20 1998 2.20 1999 2.70 2000 Duration: 01h -9/-9/-999 -9.99 07/03/1950 0.93 -9/-9/-999 -9.99 09/18/1952 0.92 08/01/1953 0.85 08/05/1954 1.42 07/09/1955 0.82 07/26/1956 0.85 08/03/1957 1.14 04/28/1958 1.41 09/01/1959 1.08 06/15/1960 1.20 09/25/1961 1.24 09/14/1962 1.80 05/27/1963 0.90 07/27/1964 0.72 04/11/1965 1.04 07/28/1966 1.39 05/28/1967 0.37 05/26/1968 0.60 08/09/1969 0.85 06/26/1970 0.99 09/06/1971 1.29 05/14/1972 1.00 07/02/1973 1.83 08/28/1974 1.15 07/04/1975 1.88 07/23/1976 0.62 06/30/1977 1.17 07/23/1978 0.73 06/21/1979 1.10 06/08/1980 1.03 05/27/1981 0.64 06/09/1982 0.70 06/30/1983 0.77 08/10/1984 1.62 06/11/1985 0.46 06/06/1986 1.20 04/12/1987 0.20 08/18/1988 0.80 08/05/1989 1.80 06/08/1990 1.20 05/12/1991 1.00 08/08/1992 0.90 09/25/1993 1.30 06/26/1994 0.90 07/15/1995 2.10 07/18/1996 1.00 06/16/1997 0.90 06/12/1998 0.80 10/08/1999 1.20 07/14/2000 1.90 Duration: 02d 2.81 1896 2.30 1897 3.40 1898 1.50 1899 1.83 1900 2.44 1901 3.13 1902 2.80 1903 2.79 1904 2.89 1905 1.91 1906 2.87 1907 2.19 1908 2.75 1909 6.30 1910 3.52 1911 1.89 1912 5.37 1913 1.70 1914 2.20 1915 3.15 1916 2.13 1917 3.15 1918 2.51 1919 2.70 1920 3.31 1921 2.35 1922 2.33 1923 3.36 1924 3.80 1925 3.05 1926 2.74 1927 3.00 1928 2.84 1929 1.93 1930 2.59 1931 2.61 1932 2.68 1933 2.64 1934 1.98 1935 2.00 1936 4.12 1937 2.53 1938 2.50 1939 2.23 1940 2.41 1941 2.94 1942 2.43 1943 3.37 1944 3.27 1945 4.57 1946 2.41 1947 2.60 1948 2.53 1949 3.30 1950 1.53 1951 2.60 1952 2.05 1953 2.57 1954 2.30 1955 3.10 1956 2.30 1957 3.12 1958 6.06 1959 2.29 1960 2.54 1961 3.43 1962 2.24 1963 3.57 1964 2.35 1965 1.95 1966 1.64 1967 2.65 1968 3.00 1969 2.97 1970 3.71 1971 2.31 1972 3.85 1973 3.22 1974 4.20 1975 3.17 1976 3.64 1977 1.96 1978 3.50 1979 3.40 1980 3.15 1981 3.50 1982 2.67 1983 2.80 1984 2.59 1985 3.22 1986 3.45 1987 2.58 1988 3.29 1989 4.02 1990 1.72 1991 4.18 1992 2.89 1993 2.13 1994 2.95 1995 3.35 1996 4.75 1997 2.98 1998 2.20 1999 2.79 2000 Duration: 02h -9/-9/-999 -9.99 07/17/1950 1.38 -9/-9/-999 -9.99 09/18/1952 1.32 08/01/1953 0.90 08/05/1954 2.02 07/09/1955 1.01 07/05/1956 1.09 08/03/1957 1.15 04/28/1958 1.64 09/01/1959 1.35 06/15/1960 1.35 09/25/1961 1.45 09/14/1962 3.13 05/27/1963 1.55 07/27/1964 1.33 09/14/1965 1.58 07/28/1966 1.72 05/11/1967 0.51 07/24/1968 0.99 08/09/1969 1.47 05/11/1970 1.04 08/20/1971 1.65 05/14/1972 1.33 07/02/1973 1.87 06/22/1974 1.31 07/04/1975 2.40 07/22/1976 1.05 10/01/1977 1.64 07/23/1978 0.95 06/21/1979 1.79 06/01/1980 1.21 05/27/1981 1.18 10/09/1982 0.81 06/19/1983 1.08 08/10/1984 1.85 06/11/1985 0.73 07/01/1986 1.80 08/26/1987 0.40 08/18/1988 1.00 08/05/1989 2.10 06/08/1990 1.40 05/12/1991 1.00 06/18/1992 0.90 09/25/1993 1.50 06/26/1994 1.50 07/15/1995 2.20 07/18/1996 1.50 07/08/1997 1.20 06/12/1998 1.00 10/08/1999 1.20 07/14/2000 1.90 Duration: 03h -9/-9/-999 -9.99 07/17/1950 1.51 -9/-9/-999 -9.99 09/18/1952 1.32 08/01/1953 1.17 08/05/1954 2.18 07/09/1955 1.11 07/05/1956 1.63 07/04/1957 1.17 04/28/1958 1.66 09/01/1959 1.55 06/15/1960 1.60 09/25/1961 1.45 09/14/1962 3.25 05/27/1963 1.59 03/04/1964 1.44 09/14/1965 1.72 07/28/1966 1.72 09/09/1967 0.64 05/26/1968 1.25 08/09/1969 1.91 05/11/1970 1.05 08/20/1971 1.80 05/14/1972 1.37 06/19/1973 2.42 08/29/1974 1.42 07/03/1975 2.67 06/21/1976 1.12 10/01/1977 1.83 07/23/1978 0.98 06/21/1979 1.82 06/01/1980 1.56 05/27/1981 1.50 10/09/1982 0.86 06/19/1983 1.12 08/10/1984 2.07 06/11/1985 0.80 07/01/1986 1.90 08/26/1987 0.50 08/18/1988 1.10 08/05/1989 2.40 06/08/1990 1.40 05/12/1991 1.00 04/16/1992 1.10 09/25/1993 1.50 06/26/1994 1.70 07/15/1995 2.30 07/18/1996 1.80 08/04/1997 1.50 06/12/1998 1.00 10/08/1999 1.20 07/14/2000 2.00 Duration: 04d 3.64 1896 2.88 1897 4.20 1898 2.37 1899 1.90 1900 2.44 1901 4.12 1902 3.40 1903 2.79 1904 3.40 1905 2.70 1906 3.50 1907 2.46 1908 2.79 1909 6.40 1910 3.97 1911 2.15 1912 8.12 1913 2.07 1914 2.63 1915 3.15 1916 2.48 1917 3.53 1918 3.80 1919 3.28 1920 3.35 1921 2.50 1922 2.74 1923 4.99 1924 4.40 1925 4.58 1926 3.67 1927 4.30 1928 3.72 1929 2.82 1930 3.34 1931 2.61 1932 3.44 1933 2.64 1934 3.20 1935 2.74 1936 4.94 1937 2.69 1938 4.08 1939 2.56 1940 3.24 1941 3.21 1942 2.90 1943 3.37 1944 4.05 1945 4.74 1946 2.82 1947 3.23 1948 3.45 1949 3.72 1950 2.00 1951 2.60 1952 2.47 1953 2.99 1954 2.58 1955 3.16 1956 3.84 1957 3.58 1958 6.15 1959 2.69 1960 2.54 1961 3.50 1962 2.73 1963 4.12 1964 3.60 1965 2.01 1966 2.02 1967 3.51 1968 3.34 1969 3.24 1970 3.73 1971 2.58 1972 4.23 1973 4.14 1974 4.23 1975 3.17 1976 4.02 1977 2.20 1978 3.50 1979 3.62 1980 3.27 1981 3.50 1982 3.38 1983 2.90 1984 4.43 1985 5.49 1986 3.77 1987 3.09 1988 3.60 1989 4.07 1990 1.99 1991 6.51 1992 3.85 1993 3.57 1994 4.65 1995 4.13 1996 5.07 1997 3.28 1998 2.70 1999 3.46 2000 Duration: 06h -9/-9/-999 -9.99 11/20/1950 1.54 -9/-9/-999 -9.99 09/18/1952 1.66 08/01/1953 1.20 08/05/1954 2.25 11/16/1955 1.59 07/05/1956 2.72 07/04/1957 1.94 04/28/1958 2.10 09/01/1959 1.60 06/15/1960 1.60 09/01/1961 1.60 09/14/1962 3.35 05/27/1963 1.62 03/04/1964 2.06 09/14/1965 2.04 07/28/1966 1.75 09/09/1967 1.07 05/26/1968 1.43 08/09/1969 2.53 05/25/1970 1.90 06/25/1971 3.27 04/06/1972 1.53 06/19/1973 2.72 06/22/1974 1.73 07/03/1975 3.08 06/21/1976 1.45 04/02/1977 2.43 07/23/1978 1.09 09/13/1979 2.04 06/29/1980 1.68 05/27/1981 1.85 09/02/1982 1.10 06/19/1983 1.31 08/10/1984 2.18 11/26/1985 1.47 10/01/1986 2.00 04/11/1987 0.50 09/03/1988 1.20 08/05/1989 2.50 06/08/1990 1.40 05/12/1991 1.00 04/16/1992 1.30 09/25/1993 1.70 06/26/1994 1.80 07/15/1995 2.40 07/18/1996 2.00 08/04/1997 1.80 04/16/1998 1.30 07/01/1999 1.40 07/14/2000 2.10 Duration: 07d 3.64 1896 4.32 1897 5.44 1898 2.45 1899 2.54 1900 2.90 1901 4.79 1902 4.00 1903 4.02 1904 3.77 1905 2.88 1906 4.04 1907 3.07 1908 2.92 1909 3.14 1910 4.99 1911 2.37 1912 9.06 1913 2.81 1914 4.13 1915 3.64 1916 3.48 1917 4.23 1918 3.85 1919 5.07 1920 4.86 1921 3.80 1922 3.50 1923 5.49 1924 4.60 1925 5.67 1926 4.01 1927 4.73 1928 4.19 1929 3.77 1930 4.19 1931 2.94 1932 4.46 1933 5.04 1934 3.84 1935 3.15 1936 6.38 1937 3.25 1938 4.14 1939 3.02 1940 4.30 1941 3.50 1942 2.96 1943 4.56 1944 4.05 1945 5.38 1946 3.36 1947 3.85 1948 4.97 1949 5.32 1950 2.67 1951 3.24 1952 3.29 1953 3.08 1954 3.34 1955 3.68 1956 5.50 1957 5.23 1958 6.31 1959 3.74 1960 2.76 1961 3.62 1962 3.28 1963 6.78 1964 3.70 1965 2.32 1966 2.89 1967 5.10 1968 3.34 1969 3.26 1970 4.17 1971 3.55 1972 4.59 1973 5.50 1974 4.30 1975 4.88 1976 4.11 1977 2.58 1978 4.47 1979 3.92 1980 4.57 1981 3.71 1982 3.74 1983 3.03 1984 5.70 1985 5.60 1986 3.97 1987 3.86 1988 3.88 1989 4.89 1990 2.57 1991 10.66 1992 5.27 1993 4.07 1994 4.73 1995 4.33 1996 5.23 1997 3.88 1998 3.51 1999 3.95 2000 Duration: 10d 3.87 1896 4.61 1897 6.23 1898 3.67 1899 3.31 1900 3.34 1901 4.79 1902 4.67 1903 5.16 1904 4.70 1905 3.61 1906 5.05 1907 3.68 1908 4.03 1909 4.09 1910 5.44 1911 2.64 1912 9.08 1913 3.69 1914 4.68 1915 3.69 1916 3.89 1917 4.25 1918 5.54 1919 5.92 1920 6.86 1921 4.83 1922 4.36 1923 5.70 1924 4.71 1925 5.69 1926 4.14 1927 4.89 1928 4.74 1929 4.14 1930 4.19 1931 3.62 1932 4.80 1933 5.09 1934 3.84 1935 3.70 1936 8.44 1937 3.88 1938 5.84 1939 3.24 1940 4.48 1941 3.62 1942 4.14 1943 4.81 1944 4.80 1945 5.38 1946 4.05 1947 5.16 1948 4.97 1949 6.97 1950 2.91 1951 3.92 1952 4.56 1953 3.33 1954 4.32 1955 3.75 1956 5.73 1957 6.33 1958 6.91 1959 4.27 1960 3.58 1961 3.66 1962 3.44 1963 7.02 1964 4.35 1965 3.68 1966 3.75 1967 5.40 1968 4.28 1969 3.83 1970 4.19 1971 3.81 1972 5.10 1973 5.50 1974 4.39 1975 5.71 1976 4.52 1977 2.60 1978 4.47 1979 4.47 1980 4.57 1981 4.45 1982 4.51 1983 4.13 1984 5.92 1985 6.77 1986 3.97 1987 4.17 1988 3.88 1989 5.36 1990 2.75 1991 11.08 1992 5.48 1993 4.10 1994 4.73 1995 5.47 1996 5.68 1997 4.58 1998 4.01 1999 4.95 2000 Duration: 12h -9/-9/-999 -9.99 11/20/1950 2.20 -9/-9/-999 -9.99 09/18/1952 2.51 07/02/1953 1.53 08/05/1954 2.25 11/16/1955 1.61 07/05/1956 2.72 07/04/1957 2.23 04/28/1958 2.15 02/09/1959 2.11 06/17/1960 2.15 09/25/1961 1.70 09/14/1962 3.35 03/04/1963 1.86 03/04/1964 2.48 09/14/1965 2.06 07/28/1966 1.77 07/27/1967 1.25 05/26/1968 1.76 08/09/1969 2.80 04/01/1970 2.33 06/25/1971 3.59 04/06/1972 1.84 06/19/1973 3.57 06/22/1974 2.34 07/03/1975 4.07 06/20/1976 1.76 04/02/1977 2.78 06/07/1978 1.09 09/13/1979 2.96 06/29/1980 1.97 05/27/1981 1.89 01/22/1982 1.23 06/19/1983 1.63 08/10/1984 2.43 11/26/1985 1.57 10/03/1986 2.70 04/15/1987 0.60 09/03/1988 1.60 08/05/1989 2.70 06/08/1990 1.50 12/02/1991 1.10 04/16/1992 1.60 07/18/1993 2.20 06/26/1994 1.90 07/15/1995 2.40 07/18/1996 2.10 08/04/1997 1.80 12/21/1998 1.50 07/01/1999 2.00 01/03/2000 2.20 Duration: 20d 5.11 1896 5.06 1897 8.09 1898 4.17 1899 3.48 1900 5.72 1901 6.87 1902 8.38 1903 6.60 1904 7.59 1905 5.19 1906 8.29 1907 5.69 1908 5.61 1909 5.40 1910 7.08 1911 4.26 1912 11.85 1913 4.81 1914 7.59 1915 6.12 1916 6.39 1917 5.82 1918 7.33 1919 6.96 1920 7.68 1921 6.37 1922 6.14 1923 7.97 1924 5.15 1925 8.28 1926 6.79 1927 7.65 1928 6.84 1929 5.20 1930 4.27 1931 5.06 1932 5.62 1933 5.60 1934 5.98 1935 6.33 1936 11.79 1937 6.12 1938 8.48 1939 4.09 1940 5.50 1941 5.94 1942 6.36 1943 5.61 1944 6.16 1945 6.58 1946 7.42 1947 7.01 1948 6.21 1949 9.36 1950 4.72 1951 5.21 1952 5.53 1953 5.31 1954 5.75 1955 4.94 1956 6.68 1957 8.16 1958 7.28 1959 5.79 1960 6.06 1961 6.59 1962 5.18 1963 7.98 1964 5.81 1965 4.47 1966 5.21 1967 8.97 1968 5.27 1969 6.50 1970 4.94 1971 5.81 1972 8.02 1973 6.22 1974 6.38 1975 7.34 1976 5.82 1977 4.32 1978 7.65 1979 6.08 1980 7.99 1981 5.39 1982 5.43 1983 5.05 1984 8.50 1985 7.87 1986 7.19 1987 5.95 1988 5.51 1989 6.49 1990 3.91 1991 12.75 1992 9.40 1993 4.53 1994 8.73 1995 9.81 1996 7.60 1997 6.18 1998 5.51 1999 6.32 2000 Duration: 24h -9/-9/-999 -9.99 07/03/1950 2.47 -9/-9/-999 -9.99 09/18/1952 2.53 07/01/1953 1.58 08/05/1954 2.25 09/22/1955 2.05 07/05/1956 2.72 07/04/1957 2.28 06/08/1958 2.45 02/09/1959 2.28 06/17/1960 2.15 02/25/1961 1.97 09/14/1962 3.35 03/04/1963 2.23 03/04/1964 3.20 09/14/1965 2.08 07/27/1966 1.81 11/01/1967 1.35 05/23/1968 2.29 08/09/1969 3.00 04/01/1970 2.70 06/25/1971 3.60 04/06/1972 2.03 06/19/1973 3.57 06/22/1974 2.45 07/03/1975 4.10 08/06/1976 2.16 04/01/1977 3.26 12/03/1978 1.43 09/13/1979 3.18 06/29/1980 1.97 09/02/1981 2.51 01/22/1982 1.35 10/12/1983 1.74 08/10/1984 2.55 05/01/1985 1.89 10/03/1986 3.00 04/15/1987 0.80 09/02/1988 2.40 08/05/1989 2.90 06/08/1990 1.80 04/13/1991 1.50 06/18/1992 2.00 07/18/1993 2.20 06/26/1994 1.90 08/08/1995 2.50 04/28/1996 2.10 05/31/1997 2.70 01/07/1998 2.00 07/01/1999 2.10 07/31/2000 2.50 Duration: 30d 6.84 1896 -9.99 1897 5.45 1898 5.12 1899 4.65 1900 7.48 1901 7.99 1902 8.97 1903 7.61 1904 9.31 1905 7.35 1906 10.05 1907 7.50 1908 7.03 1909 6.54 1910 10.54 1911 5.55 1912 13.57 1913 5.75 1914 8.62 1915 7.26 1916 8.10 1917 8.63 1918 9.61 1919 7.67 1920 8.47 1921 7.90 1922 7.08 1923 9.65 1924 5.81 1925 10.76 1926 8.98 1927 8.82 1928 9.57 1929 6.43 1930 6.77 1931 6.08 1932 7.96 1933 6.08 1934 7.28 1935 7.09 1936 13.16 1937 7.23 1938 9.48 1939 4.34 1940 6.71 1941 7.47 1942 8.32 1943 6.27 1944 8.46 1945 7.84 1946 8.88 1947 10.33 1948 8.39 1949 11.59 1950 6.30 1951 6.25 1952 6.98 1953 7.72 1954 6.78 1955 6.60 1956 7.55 1957 10.00 1958 9.74 1959 6.97 1960 7.47 1961 6.70 1962 6.10 1963 9.53 1964 6.81 1965 6.19 1966 6.41 1967 9.31 1968 8.03 1969 7.96 1970 5.94 1971 6.53 1972 10.76 1973 7.85 1974 7.26 1975 8.99 1976 6.72 1977 5.49 1978 9.39 1979 8.33 1980 9.14 1981 7.28 1982 6.74 1983 6.35 1984 10.13 1985 9.47 1986 8.22 1987 7.45 1988 6.74 1989 8.09 1990 5.22 1991 14.38 1992 12.33 1993 4.87 1994 11.67 1995 12.25 1996 8.65 1997 8.45 1998 6.96 1999 7.82 2000 Duration: 45d 7.58 1898 5.69 1899 5.79 1900 8.09 1901 10.31 1902 10.17 1903 8.60 1904 11.18 1905 9.34 1906 11.10 1907 9.58 1908 8.83 1909 13.70 1910 13.54 1911 7.54 1912 14.74 1913 7.18 1914 11.27 1915 10.44 1916 11.45 1917 9.33 1918 11.37 1919 9.38 1920 9.95 1921 10.70 1922 9.54 1923 11.63 1924 8.48 1925 14.73 1926 9.76 1927 10.01 1928 11.52 1929 7.78 1930 7.97 1931 8.84 1932 10.67 1933 6.85 1934 9.35 1935 10.79 1936 13.81 1937 9.50 1938 10.95 1939 5.19 1940 7.97 1941 8.98 1942 9.93 1943 8.17 1944 10.32 1945 10.89 1946 11.60 1947 12.05 1948 9.95 1949 14.28 1950 8.60 1951 9.29 1952 7.56 1953 8.63 1954 8.17 1955 8.38 1956 10.14 1957 13.47 1958 10.58 1959 9.95 1960 9.09 1961 8.66 1962 7.09 1963 11.96 1964 9.76 1965 8.53 1966 8.17 1967 10.74 1968 10.06 1969 10.08 1970 7.85 1971 9.47 1972 12.66 1973 9.59 1974 9.44 1975 11.15 1976 8.60 1977 7.24 1978 11.20 1979 10.79 1980 13.97 1981 8.88 1982 8.61 1983 8.34 1984 11.97 1985 11.54 1986 10.41 1987 8.38 1988 8.64 1989 12.05 1990 6.87 1991 16.43 1992 14.71 1993 6.38 1994 14.77 1995 14.52 1996 10.82 1997 10.42 1998 8.01 1999 9.34 2000 Duration: 48h -9/-9/-999 -9.99 07/02/1950 3.27 -9/-9/-999 -9.99 09/18/1952 2.53 07/01/1953 1.98 03/28/1954 2.69 09/21/1955 2.34 07/05/1956 2.72 07/04/1957 2.28 06/08/1958 3.69 02/09/1959 2.28 05/26/1960 2.35 08/10/1961 2.50 09/14/1962 3.35 03/04/1963 2.50 03/08/1964 3.55 10/20/1965 2.37 07/27/1966 1.94 05/05/1967 1.76 09/17/1968 2.42 08/08/1969 3.15 05/24/1970 3.15 06/25/1971 3.60 05/13/1972 2.12 06/19/1973 3.62 08/27/1974 3.60 07/03/1975 4.10 08/05/1976 2.78 04/01/1977 3.72 12/02/1978 1.53 09/13/1979 3.18 05/31/1980 2.02 09/02/1981 2.51 10/07/1982 1.49 06/28/1983 2.01 08/10/1984 2.55 05/01/1985 2.29 10/03/1986 3.20 04/15/1987 0.90 07/18/1988 2.60 08/05/1989 2.90 06/08/1990 2.20 04/13/1991 1.70 04/16/1992 2.40 11/13/1993 2.40 06/25/1994 2.00 07/15/1995 2.70 04/28/1996 2.70 05/31/1997 3.70 01/06/1998 2.50 07/01/1999 2.10 07/31/2000 2.60 Duration: 60d 7.43 1899 7.30 1900 10.06 1901 12.69 1902 12.59 1903 10.06 1904 13.49 1905 10.97 1906 13.65 1907 11.07 1908 11.24 1909 9.54 1910 16.36 1911 9.32 1912 16.22 1913 8.87 1914 14.93 1915 13.27 1916 13.55 1917 11.29 1918 12.74 1919 10.68 1920 13.91 1921 12.40 1922 10.61 1923 13.54 1924 10.39 1925 18.44 1926 10.95 1927 12.16 1928 13.15 1929 9.58 1930 9.42 1931 10.78 1932 13.75 1933 9.38 1934 12.57 1935 11.30 1936 14.55 1937 11.18 1938 14.33 1939 7.33 1940 9.76 1941 11.05 1942 10.60 1943 9.97 1944 12.10 1945 13.36 1946 15.21 1947 15.29 1948 12.21 1949 16.12 1950 10.66 1951 10.67 1952 9.49 1953 9.74 1954 10.38 1955 10.03 1956 14.39 1957 16.09 1958 11.93 1959 12.00 1960 11.95 1961 9.27 1962 8.77 1963 15.86 1964 11.96 1965 9.91 1966 9.87 1967 12.05 1968 13.63 1969 12.67 1970 10.05 1971 10.97 1972 15.21 1973 11.04 1974 10.67 1975 14.47 1976 10.47 1977 9.35 1978 13.95 1979 13.06 1980 16.54 1981 10.34 1982 10.71 1983 10.25 1984 13.44 1985 13.32 1986 12.43 1987 11.94 1988 11.24 1989 13.63 1990 8.38 1991 18.87 1992 16.28 1993 8.03 1994 18.35 1995 17.38 1996 12.54 1997 12.45 1998 10.14 1999 10.99 2000