YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC D-J-F M-A-M J-J-A S-O-N metANN 1894 21.1 19.5 18.8 16.0 12.8 11.5 9.0 10.2 11.5 12.6 18.8 20.6 19.8 15.9 10.2 14.3 15.05 1895 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.90 1896 22.8 21.3 19.7 16.0 12.6 10.5 9.1 10.2 12.5 16.4 18.3 19.3 21.6 16.1 9.9 15.7 15.83 1897 22.2 19.7 18.5 16.4 12.3 10.5 10.3 9.5 12.7 12.9 17.8 19.8 20.4 15.7 10.1 14.5 15.18 1898 22.7 21.7 20.1 15.3 12.6 9.4 10.4 11.3 13.4 14.1 17.3 20.7 21.4 16.0 10.4 14.9 15.68 1899 20.7 21.8 19.3 15.5 12.5 10.5 9.4 10.5 11.4 14.9 16.7 21.2 21.1 15.8 10.1 14.3 15.33 1900 20.0 22.4 16.4 15.1 12.5 11.5 9.7 10.4 11.0 15.0 18.6 20.2 21.2 14.7 10.5 14.9 15.32 1901 22.8 21.1 18.7 16.5 12.9 10.0 8.6 10.2 12.7 15.0 18.6 20.0 21.4 16.0 9.6 15.4 15.61 1902 20.3 19.9 20.8 17.0 13.2 10.3 9.5 10.9 12.6 13.4 17.3 19.3 20.1 17.0 10.2 14.4 15.43 1903 22.9 21.1 17.6 14.0 12.3 11.0 9.4 10.1 10.9 12.9 16.8 19.3 21.1 14.6 10.2 13.5 14.86 1904 21.1 20.3 19.7 16.2 12.1 10.8 9.7 10.7 12.2 13.2 18.2 20.7 20.2 16.0 10.4 14.5 15.29 1905 20.8 20.5 18.8 17.3 13.2 10.5 10.2 9.1 11.0 13.3 17.2 21.6 20.7 16.4 9.9 13.8 15.22 1906 23.2 21.6 20.1 18.2 14.3 11.5 9.4 10.3 10.5 14.6 16.8 21.9 22.1 17.5 10.4 14.0 16.01 1907 20.9 22.1 20.0 16.4 13.3 11.5 10.7 11.5 12.6 13.5 16.6 19.7 21.6 16.6 11.2 14.2 15.92 1908 21.7 20.8 17.7 15.6 12.6 9.2 9.5 10.0 11.2 14.3 17.8 21.3 20.7 15.3 9.6 14.4 15.01 1909 21.3 22.1 18.8 14.9 13.2 10.5 9.2 9.8 12.4 13.9 17.1 22.8 21.6 15.6 9.8 14.5 15.38 1910 22.3 21.8 20.3 18.1 12.4 10.1 9.2 11.0 12.5 12.5 16.8 19.8 22.3 16.9 10.1 13.9 15.82 1911 23.0 21.3 18.5 16.4 12.3 10.1 10.2 10.2 11.8 14.7 19.5 20.4 21.4 15.7 10.2 15.3 15.65 1912 23.4 23.5 20.7 17.7 13.9 11.3 10.4 11.3 11.3 14.8 17.4 21.6 22.4 17.4 11.0 14.5 16.34 1913 21.6 21.9 18.9 16.2 13.2 11.4 10.1 10.4 12.7 13.8 17.5 19.4 21.7 16.1 10.6 14.7 15.78 1914 22.5 21.0 19.0 15.6 12.1 999.9 9.6 12.3 14.1 17.3 18.1 20.8 21.0 15.6 11.2 16.5 16.06 1915 23.0 22.0 18.8 17.7 13.8 12.0 10.9 10.9 10.9 14.3 19.0 21.5 21.9 16.8 11.3 14.7 16.18 1916 20.6 20.8 19.6 15.7 14.1 10.1 9.1 10.0 13.7 13.1 17.6 19.4 21.0 16.5 9.7 14.8 15.49 1917 20.9 20.6 17.7 15.6 11.9 10.9 10.1 9.7 11.0 12.7 16.4 18.8 20.3 15.1 10.2 13.4 14.74 1918 22.6 20.4 18.2 18.2 13.9 12.3 9.9 10.2 13.1 13.8 19.5 20.5 20.6 16.8 10.8 15.5 15.91 1919 21.7 21.6 21.3 16.3 13.1 10.7 11.6 10.4 11.1 13.0 17.4 19.7 21.3 16.9 10.9 13.8 15.73 1920 23.4 20.9 20.4 16.4 13.2 11.0 8.8 9.6 12.9 15.1 18.9 20.1 21.3 16.7 9.8 15.6 15.86 1921 21.9 24.0 21.6 16.6 14.6 12.1 11.6 11.2 12.0 14.1 16.1 19.9 22.0 17.6 11.6 14.1 16.33 1922 20.6 21.0 19.8 16.1 11.9 10.3 8.6 10.4 11.1 13.9 17.4 17.4 20.5 15.9 9.8 14.1 15.08 1923 20.7 22.8 19.7 17.1 13.3 10.2 9.4 10.0 10.5 14.0 17.3 18.8 20.3 16.7 9.9 13.9 15.20 1924 19.8 20.2 17.5 17.2 13.4 10.7 10.3 9.1 11.8 12.2 15.9 19.5 19.6 16.0 10.0 13.3 14.74 1925 19.7 19.2 18.8 15.9 12.9 11.0 9.0 9.1 12.1 12.6 18.8 20.9 19.5 15.9 9.7 14.5 14.88 1926 22.8 20.9 18.2 15.6 12.6 10.3 9.8 9.9 12.7 14.3 18.1 19.2 21.5 15.5 10.0 15.0 15.51 1927 20.6 20.6 17.4 18.3 12.7 10.1 9.8 10.5 13.1 14.5 18.8 22.0 20.1 16.1 10.1 15.5 15.47 1928 20.9 20.7 19.7 17.2 12.9 11.0 10.0 11.5 11.9 12.8 18.5 21.2 21.2 16.6 10.8 14.4 15.76 1929 21.0 22.3 18.4 15.1 12.2 10.1 9.4 10.0 12.0 14.3 17.0 19.9 21.5 15.2 9.8 14.4 15.25 1930 22.4 21.8 21.8 16.9 14.8 12.8 10.8 11.5 12.8 14.7 18.4 20.2 21.4 17.8 11.7 15.3 16.55 1931 22.8 20.0 20.1 16.7 11.3 8.5 10.6 11.1 11.6 14.4 17.2 22.7 21.0 16.0 10.1 14.4 15.38 1932 23.3 22.1 18.4 15.9 13.8 11.4 9.9 9.8 12.5 13.7 17.5 20.0 22.7 16.0 10.4 14.6 15.92 1933 21.8 24.3 19.7 17.3 13.3 12.5 10.3 9.9 12.3 14.0 17.7 20.7 22.0 16.8 10.9 14.7 16.09 1934 23.4 23.5 20.3 15.7 14.6 10.9 10.0 10.5 12.1 13.1 15.4 19.4 22.5 16.9 10.5 13.5 15.85 1935 22.2 21.2 19.3 16.4 13.5 10.2 9.5 9.9 11.4 13.2 17.2 20.2 20.9 16.4 9.9 13.9 15.28 1936 21.5 21.2 21.3 16.6 12.2 10.0 9.3 11.0 13.4 14.7 19.5 21.1 21.0 16.7 10.1 15.9 15.91 1937 22.2 22.7 19.3 18.3 13.3 10.6 9.7 9.9 12.0 14.8 17.3 19.6 22.0 17.0 10.1 14.7 15.93 1938 20.8 20.4 19.5 17.3 13.8 10.1 9.9 10.9 13.0 14.2 18.3 20.9 20.3 16.9 10.3 15.2 15.65 1939 21.0 21.1 19.7 16.4 13.1 10.4 9.9 10.4 12.8 14.5 16.6 20.3 21.0 16.4 10.2 14.6 15.57 1940 21.1 23.3 20.4 15.6 13.0 12.2 10.5 11.4 12.7 15.5 18.3 19.8 21.6 16.3 11.4 15.5 16.19 1941 22.2 22.0 19.0 16.3 13.4 12.2 11.0 11.6 11.0 14.0 18.0 21.8 21.3 16.2 11.6 14.3 15.88 1942 21.4 21.1 18.3 16.6 13.2 10.8 9.4 10.8 11.7 13.1 18.3 20.6 21.4 16.0 10.3 14.4 15.54 1943 20.6 20.1 19.8 14.9 12.3 11.6 8.7 9.6 11.4 13.7 17.7 19.6 20.4 15.7 10.0 14.3 15.08 1944 22.0 21.8 18.9 16.0 11.8 11.9 10.4 11.4 12.6 16.4 18.9 18.7 21.1 15.6 11.2 16.0 15.98 1945 21.1 21.7 19.6 18.7 14.7 11.7 10.0 11.0 11.7 15.2 17.9 20.2 20.5 17.7 10.9 14.9 16.00 1946 20.7 19.4 18.2 17.4 13.5 10.5 10.3 10.2 13.8 15.5 16.2 20.6 20.1 16.4 10.3 15.2 15.49 1947 21.6 21.9 20.0 16.5 12.7 12.2 10.1 10.7 11.8 13.4 16.3 19.5 21.4 16.4 11.0 13.8 15.65 1948 22.9 22.6 22.4 15.5 14.1 11.2 10.3 12.0 12.2 14.7 16.6 18.8 21.7 17.3 11.2 14.5 16.17 1949 22.3 22.0 19.3 18.5 12.7 11.7 11.6 11.8 12.1 13.5 17.3 21.7 21.0 16.8 11.7 14.3 15.97 1950 22.2 21.7 21.3 18.2 14.1 11.1 10.5 10.9 12.1 13.9 16.3 20.1 21.9 17.9 10.8 14.1 16.17 1951 21.9 21.1 20.8 15.7 12.8 11.1 9.8 9.1 13.7 14.4 18.1 19.5 21.0 16.4 10.0 15.4 15.72 1952 22.7 21.5 19.8 16.4 12.3 11.8 8.8 10.6 11.2 13.5 16.4 17.6 21.2 16.2 10.4 13.7 15.38 1953 21.8 21.3 21.3 17.3 13.5 10.5 9.9 9.7 12.5 13.4 16.1 19.1 20.2 17.4 10.0 14.0 15.41 1954 22.9 21.3 19.8 14.5 12.3 10.5 10.3 10.6 13.0 15.6 16.5 20.8 21.1 15.5 10.5 15.0 15.53 1955 22.9 21.5 19.4 15.0 11.9 9.6 9.7 10.4 11.3 12.6 16.2 19.1 21.7 15.4 9.9 13.4 15.11 1956 23.9 22.7 20.5 15.3 11.7 9.0 9.5 9.3 11.5 12.5 17.3 19.6 21.9 15.8 9.3 13.8 15.19 1957 22.5 21.5 19.8 16.0 13.5 12.1 9.2 11.2 12.0 15.3 19.7 21.3 21.2 16.4 10.8 15.7 16.03 1958 24.0 22.1 20.9 17.3 14.0 10.8 9.4 10.4 11.1 13.4 18.0 21.3 22.5 17.4 10.2 14.2 16.06 1959 22.5 21.9 21.7 17.0 14.4 12.2 11.3 11.6 12.0 14.7 16.9 17.5 21.9 17.7 11.7 14.5 16.46 1960 19.3 21.4 18.0 14.1 11.5 10.3 9.1 9.6 11.7 14.8 17.0 20.8 19.4 14.5 9.7 14.5 14.53 1961 23.9 22.1 21.3 15.1 14.1 11.2 9.6 10.7 13.1 15.1 18.4 20.4 22.3 16.8 10.5 15.5 16.28 1962 23.6 22.4 19.7 18.2 14.7 12.5 9.9 11.4 11.4 12.9 17.8 21.5 22.1 17.5 11.3 14.0 16.24 1963 22.1 21.9 21.1 16.7 14.0 10.9 9.2 10.8 12.7 15.7 18.2 21.6 21.8 17.3 10.3 15.5 16.23 1964 20.6 21.4 20.8 14.9 11.9 12.0 10.6 10.4 11.2 11.7 16.5 19.0 21.2 15.9 11.0 13.1 15.30 1965 23.1 22.5 20.0 18.0 12.8 11.0 9.7 10.2 11.9 15.5 16.2 21.4 21.5 16.9 10.3 14.5 15.83 1966 22.4 21.3 20.9 15.8 13.2 10.1 10.0 10.0 11.3 13.3 19.2 19.8 21.7 16.6 10.0 14.6 15.74 1967 22.0 22.0 19.3 18.0 13.4 12.4 9.9 9.8 12.6 16.7 18.3 20.6 21.3 16.9 10.7 15.9 16.18 1968 22.4 21.1 17.2 14.4 11.1 11.0 9.7 9.1 10.7 13.8 16.6 20.4 21.4 14.2 9.9 13.7 14.81 1969 22.3 21.9 19.7 16.6 13.3 11.5 10.0 10.9 10.3 17.1 19.4 21.0 21.5 16.5 10.8 15.6 16.12 1970 23.0 23.3 21.6 15.9 13.4 11.1 11.3 10.2 11.7 13.6 17.1 21.4 22.4 17.0 10.9 14.1 16.10 1971 22.3 21.7 19.8 15.9 12.4 11.3 10.4 9.8 10.9 12.7 14.5 18.7 21.8 16.0 10.5 12.7 15.26 1972 22.9 23.9 20.1 16.9 15.4 11.4 10.3 10.3 12.1 14.8 19.2 23.7 21.8 17.5 10.7 15.4 16.33 1973 22.3 21.9 19.3 16.6 13.2 9.5 10.4 9.8 10.8 14.1 16.8 19.7 22.6 16.4 9.9 13.9 15.70 1974 23.1 21.0 19.9 15.3 12.4 11.0 9.8 10.4 12.5 13.8 16.5 21.2 21.3 15.9 10.4 14.3 15.45 1975 21.1 24.1 18.7 15.7 13.1 10.4 10.6 9.9 11.2 13.7 17.6 21.3 22.1 15.8 10.3 14.2 15.61 1976 21.3 22.3 20.6 17.3 13.8 10.8 11.3 10.9 12.6 15.5 15.8 21.1 21.6 17.2 11.0 14.6 16.13 1977 22.2 22.9 19.0 16.9 12.8 11.5 10.7 11.4 11.5 14.6 17.7 23.1 22.1 16.2 11.2 14.6 16.03 1978 23.2 22.7 22.1 18.6 13.7 10.7 10.0 11.3 11.4 14.1 18.8 20.9 23.0 18.1 10.7 14.8 16.64 1979 22.4 21.8 20.5 16.4 12.2 11.7 10.3 9.9 11.5 14.9 18.2 21.7 21.7 16.4 10.6 14.9 15.89 1980 22.9 20.8 21.3 15.5 14.2 10.9 10.3 11.2 12.2 12.2 18.6 20.1 21.8 17.0 10.8 14.3 15.98 1981 22.0 19.5 19.9 18.6 13.3 9.3 10.3 10.0 12.7 15.1 15.8 19.0 20.5 17.3 9.9 14.5 15.55 1982 20.7 21.1 18.2 16.4 13.5 10.4 10.0 11.5 12.3 15.2 20.1 21.4 20.3 16.0 10.6 15.9 15.70 1983 22.6 21.4 20.4 17.1 14.8 12.6 10.3 12.1 13.6 15.2 16.5 20.5 21.8 17.4 11.7 15.1 16.50 1984 22.0 21.7 18.4 17.1 13.0 10.8 9.7 10.2 11.4 14.8 16.9 18.9 21.4 16.2 10.2 14.4 15.54 1985 21.4 24.5 21.3 16.0 13.3 12.4 10.4 11.0 12.6 13.6 18.1 18.2 21.6 16.9 11.3 14.8 16.13 1986 22.6 19.8 18.7 16.0 13.3 11.5 9.1 9.5 12.4 12.7 17.4 18.9 20.2 16.0 10.0 14.2 15.10 1987 20.7 21.2 20.6 17.5 12.8 12.2 9.9 10.6 13.4 14.7 16.7 21.1 20.3 17.0 10.9 14.9 15.77 1988 21.4 22.6 21.2 17.9 14.0 11.8 9.5 10.4 12.6 14.7 16.2 20.0 21.7 17.7 10.6 14.5 16.12 1989 21.3 22.4 20.4 16.6 13.4 10.9 9.7 10.0 12.3 13.2 18.9 20.1 21.2 16.8 10.2 14.8 15.76 1990 20.4 21.6 20.1 16.2 13.5 9.9 9.0 9.5 12.1 14.0 17.3 20.0 20.7 16.6 9.5 14.5 15.31 1991 21.9 21.5 19.6 18.3 14.0 11.8 10.5 10.9 12.2 15.9 16.3 21.8 21.1 17.3 11.1 14.8 16.08 1992 22.4 21.9 19.9 16.8 12.9 11.0 11.3 10.2 10.5 14.2 999.9 999.9 22.0 16.5 10.8 13.8 15.81