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 1888 28.5 30.1 30.6 29.3 26.4 23.9 21.9 25.3 27.3 31.1 32.3 32.9 29.6 28.8 23.7 30.2 28.08 1889 999.9 32.0 32.0 31.2 28.6 24.8 23.2 25.7 28.9 31.4 31.9 30.8 32.3 30.6 24.6 30.7 29.56 1890 30.6 29.5 31.0 30.1 27.2 24.3 23.0 25.9 28.0 29.0 30.5 30.7 30.3 29.4 24.4 29.2 28.33 1891 29.9 29.9 29.9 27.8 27.5 24.5 19.5 22.5 26.6 29.5 30.8 31.6 30.2 28.4 22.2 29.0 27.43 1892 30.9 999.9 999.9 26.8 24.1 23.5 22.6 26.1 26.4 28.8 30.7 30.1 31.0 26.4 24.1 28.6 27.54 1893 28.6 28.7 29.3 30.0 25.5 23.6 23.1 24.8 27.2 30.2 30.6 29.7 29.1 28.3 23.8 29.3 27.64 1894 29.6 28.6 30.0 28.2 24.0 21.5 20.4 22.3 24.5 28.8 30.7 31.3 29.3 27.4 21.4 28.0 26.53 1895 29.8 28.4 30.5 28.9 24.9 22.3 21.5 23.2 25.3 29.7 30.5 32.0 29.8 28.1 22.3 28.5 27.19 1896 29.3 28.6 29.6 28.3 24.4 20.4 19.3 22.0 26.1 28.9 30.9 32.3 30.0 27.4 20.6 28.6 26.65 1897 32.3 30.7 30.7 29.1 24.8 23.9 23.4 24.7 26.4 28.8 32.0 30.9 31.8 28.2 24.0 29.1 28.26 1898 30.5 29.3 29.7 28.0 23.7 22.5 21.0 23.3 26.9 29.5 30.9 30.6 30.2 27.1 22.3 29.1 27.18 1899 29.3 29.9 28.8 27.2 23.1 21.7 20.1 22.8 26.5 27.8 30.4 30.7 29.9 26.4 21.5 28.2 26.52 1900 32.2 31.6 29.5 29.6 26.3 22.7 20.8 24.1 26.9 29.8 32.4 32.7 31.5 28.5 22.5 29.7 28.05 1901 31.5 30.2 30.8 29.4 25.5 23.1 21.8 21.6 27.3 28.4 30.7 32.1 31.5 28.6 22.2 28.8 27.75 1902 29.9 29.4 30.9 28.0 25.3 23.1 22.6 24.1 26.2 29.2 30.2 31.2 30.5 28.1 23.3 28.5 27.58 1903 31.2 29.8 30.4 28.5 25.0 22.1 21.3 24.3 26.1 28.9 30.1 29.8 30.7 28.0 22.6 28.4 27.41 1904 30.0 30.2 29.9 26.6 23.8 21.8 23.0 22.9 26.6 28.1 30.8 31.7 30.0 26.8 22.6 28.5 26.96 1905 30.1 29.7 31.2 29.7 26.0 22.3 22.0 24.1 26.3 29.2 30.5 31.7 30.5 29.0 22.8 28.7 27.73 1906 31.1 31.4 31.8 30.8 26.9 25.4 24.0 24.8 25.7 30.0 31.6 29.6 31.4 29.8 24.7 29.1 28.77 1907 29.6 30.5 28.6 28.0 25.2 21.6 22.6 23.1 26.3 29.4 30.7 31.1 29.9 27.3 22.4 28.8 27.10 1908 30.7 30.0 29.4 29.3 25.4 21.0 21.6 22.7 24.6 28.1 30.8 30.2 30.6 28.0 21.8 27.8 27.06 1909 30.5 30.2 30.5 28.6 25.4 25.0 22.9 23.7 27.3 29.8 29.6 30.5 30.3 28.2 23.9 28.9 27.81 1910 31.3 30.5 29.6 29.7 27.0 23.5 23.7 24.7 28.6 30.0 30.1 30.7 30.8 28.8 24.0 29.6 28.27 1911 30.8 30.8 31.2 28.7 26.5 22.0 22.1 23.2 25.5 29.0 30.6 30.5 30.8 28.8 22.4 28.4 27.59 1912 30.9 29.3 29.0 28.3 26.1 21.6 22.3 23.1 26.2 29.3 30.8 31.0 30.2 27.8 22.3 28.8 27.28 1913 29.8 30.7 30.5 29.1 23.8 20.4 21.1 23.7 25.1 28.2 30.7 31.0 30.5 27.8 21.7 28.0 27.01 1914 29.0 30.2 30.7 29.2 25.4 22.1 20.8 24.5 26.9 29.4 30.2 30.4 30.1 28.4 22.5 28.8 27.45 1915 29.2 30.1 31.1 29.6 24.4 23.9 22.3 21.9 25.9 29.4 31.3 31.4 29.9 28.4 22.7 28.9 27.46 1916 30.8 29.7 29.4 27.0 26.4 24.7 21.3 24.8 27.4 30.2 29.5 31.1 30.6 27.6 23.6 29.0 27.72 1917 28.3 29.4 30.0 28.7 24.2 20.9 22.9 23.8 27.6 29.7 30.4 29.6 29.6 27.6 22.5 29.2 27.25 1918 29.3 28.5 29.3 28.7 26.0 23.4 21.3 24.1 26.6 29.0 30.6 31.1 29.1 28.0 22.9 28.7 27.20 1919 30.0 29.0 30.2 28.2 25.4 22.9 21.2 23.7 25.9 29.0 31.1 30.4 30.0 27.9 22.6 28.7 27.31 1920 30.5 30.7 29.3 27.7 24.6 23.1 22.6 24.4 26.6 29.1 30.1 30.7 30.5 27.2 23.4 28.6 27.43 1921 31.6 29.1 28.9 27.6 26.5 24.2 22.1 23.9 26.3 29.0 30.5 31.4 30.5 27.7 23.4 28.6 27.53 1922 31.4 30.0 30.4 29.6 26.1 22.9 20.4 22.4 26.1 29.7 30.6 30.9 30.9 28.7 21.9 28.8 27.58 1923 29.3 30.4 29.2 28.5 25.5 22.6 21.6 22.3 25.2 28.2 30.9 31.3 30.2 27.7 22.2 28.1 27.05 1924 30.6 31.8 31.8 28.4 27.6 23.9 24.0 24.7 27.5 28.6 30.3 31.3 31.2 29.3 24.2 28.8 28.38 1925 30.5 30.0 29.7 29.0 26.2 22.2 21.4 23.3 24.6 28.5 30.5 31.6 30.6 28.3 22.3 27.9 27.27 1926 28.1 30.8 30.1 29.1 24.8 21.8 21.9 23.3 26.7 29.2 31.2 29.6 30.2 28.0 22.3 29.0 27.38 1927 29.9 30.6 30.0 27.3 24.6 23.0 21.0 23.2 27.3 29.2 31.0 31.8 30.0 27.3 22.4 29.2 27.23 1928 30.9 31.3 31.5 30.4 25.4 22.4 22.0 24.7 27.6 29.2 31.3 31.7 31.3 29.1 23.0 29.4 28.21 1929 31.3 30.6 28.8 26.6 24.6 21.3 19.8 24.4 25.3 28.6 30.3 31.5 31.2 26.7 21.8 28.1 26.94 1930 31.7 30.5 30.3 29.8 26.1 22.9 23.5 24.6 27.3 28.9 31.7 30.4 31.2 28.7 23.7 29.3 28.23 1931 29.8 31.6 31.3 29.0 26.1 24.7 23.1 23.5 27.0 30.0 30.5 32.6 30.6 28.8 23.8 29.2 28.08 1932 30.9 30.5 31.2 28.4 24.9 22.2 21.6 24.2 25.6 29.0 31.1 31.0 31.3 28.2 22.7 28.6 27.68 1933 32.2 32.1 30.2 28.6 26.7 22.9 21.7 23.3 27.1 29.8 30.6 31.6 31.8 28.5 22.6 29.2 28.02 1934 30.3 30.3 28.6 28.2 25.4 22.7 21.6 22.8 26.2 29.2 31.4 32.1 30.7 27.4 22.4 28.9 27.36 1935 30.8 31.6 28.8 27.5 24.1 21.3 21.4 24.6 26.3 30.4 32.7 32.9 31.5 26.8 22.4 29.8 27.63 1936 31.3 32.1 31.5 29.1 26.4 23.5 24.0 26.6 27.9 30.8 32.0 32.9 32.1 29.0 24.7 30.2 29.01 1937 29.9 31.6 31.7 29.5 27.6 23.4 21.1 23.9 26.5 30.4 32.4 32.0 31.5 29.6 22.8 29.8 28.41 1938 30.9 31.0 32.6 30.7 27.1 24.4 22.5 24.5 26.8 29.8 31.2 32.0 31.3 30.1 23.8 29.3 28.63 1939 29.8 30.0 31.0 29.6 26.6 22.7 20.9 22.4 25.7 28.8 30.7 32.2 30.6 29.1 22.0 28.4 27.52 1940 30.0 30.4 30.1 28.6 23.9 23.5 21.7 24.1 27.4 30.5 31.8 31.9 30.9 27.5 23.1 29.9 27.85 1941 31.2 31.9 29.9 30.2 26.4 22.5 22.9 22.9 27.1 29.3 31.0 31.6 31.7 28.8 22.8 29.1 28.10 1942 29.3 29.1 30.8 29.3 28.2 25.1 23.2 25.3 28.3 29.9 30.6 30.6 30.0 29.4 24.5 29.6 28.39 1943 30.6 29.1 29.4 28.6 23.8 21.0 21.4 24.5 25.6 28.7 30.2 31.4 30.1 27.3 22.3 28.2 26.96 1944 30.4 30.7 30.1 28.7 25.2 22.6 21.3 23.9 27.9 29.6 31.2 30.9 30.8 28.0 22.6 29.6 27.75 1945 30.2 30.8 29.8 29.5 26.1 23.7 21.4 25.7 27.4 29.3 31.2 31.0 30.6 28.5 23.6 29.3 28.00 1946 30.3 30.0 30.6 27.4 26.8 21.6 24.1 24.2 25.8 28.6 30.2 30.8 30.4 28.3 23.3 28.2 27.55 1947 31.4 29.6 29.2 28.4 25.5 24.6 24.9 24.6 26.5 28.8 31.4 31.2 30.6 27.7 24.7 28.9 27.98 1948 30.4 29.8 29.7 28.6 26.2 22.5 22.8 23.5 26.5 29.7 30.9 31.4 30.5 28.2 22.9 29.0 27.65 1949 31.5 29.0 30.5 28.1 24.8 21.1 21.2 23.7 26.5 28.2 30.3 30.9 30.6 27.8 22.0 28.3 27.19 1950 30.0 999.9 30.0 28.1 26.4 22.6 20.5 23.7 26.9 28.9 30.7 29.6 30.2 28.2 22.3 28.8 27.38 1951 30.4 29.0 30.0 29.7 25.1 23.1 21.6 23.2 26.6 29.2 31.3 32.7 29.7 28.3 22.6 29.0 27.40 1952 31.6 32.0 31.8 30.7 27.1 22.4 24.4 23.9 28.5 29.3 31.8 31.3 32.1 29.9 23.6 29.9 28.85 1953 30.7 31.3 32.1 30.5 26.2 24.7 23.3 23.0 27.1 30.7 31.3 32.0 31.1 29.6 23.7 29.7 28.52 1954 31.7 32.0 31.8 28.9 26.6 22.1 22.3 24.1 26.8 29.7 31.5 999.9 31.9 29.1 22.8 29.3 28.29 1955 29.9 29.9 29.6 29.5 25.3 24.7 22.5 26.1 28.5 999.9 30.2 31.5 30.2 28.1 24.4 29.5 28.08 1956 30.6 28.1 29.9 29.7 25.0 23.5 22.5 24.2 25.8 28.8 30.3 31.5 30.1 28.2 23.4 28.3 27.49 1957 30.5 29.8 30.1 30.0 26.3 24.1 21.6 22.8 25.3 29.4 30.9 30.3 30.6 28.8 22.8 28.5 27.69 1958 30.4 32.3 30.9 30.7 28.8 25.2 24.4 25.9 25.9 29.2 31.1 32.4 31.0 30.1 25.2 28.7 28.76 1959 30.8 31.5 31.3 30.0 25.8 24.3 23.8 25.4 28.1 29.7 31.6 32.5 31.6 29.0 24.5 29.8 28.73 1960 30.3 29.4 30.1 29.6 24.7 23.0 22.6 24.5 26.6 29.6 31.2 31.2 30.7 28.1 23.4 29.1 27.84 1961 31.7 29.8 30.1 31.0 26.4 22.1 20.9 22.1 27.1 29.9 30.8 32.1 30.9 29.2 21.7 29.3 27.76 1962 28.4 29.2 30.8 28.9 24.7 24.9 22.1 23.2 26.4 29.1 31.8 999.9 29.9 28.1 23.4 29.1 27.63 1963 29.5 28.5 30.7 28.8 25.1 22.4 21.1 22.7 25.7 29.0 31.4 31.6 29.3 28.2 22.1 28.7 27.07 1964 29.3 31.1 31.1 29.0 26.6 22.8 21.1 23.6 28.0 29.0 31.0 31.2 30.7 28.9 22.5 29.3 27.85 1965 31.0 30.8 28.7 27.6 26.2 24.3 21.4 23.6 27.2 29.6 31.3 32.5 31.0 27.5 23.1 29.4 27.74 1966 30.5 30.0 29.9 29.6 25.2 24.2 23.5 23.1 26.8 28.7 30.4 32.1 31.0 28.2 23.6 28.6 27.87 1967 30.2 28.8 29.1 29.0 26.9 21.5 20.3 23.3 26.8 30.0 31.7 32.1 30.4 28.3 21.7 29.5 27.48 1968 30.9 29.0 30.3 29.1 24.9 24.7 22.1 23.8 27.8 29.8 31.5 32.4 30.7 28.1 23.5 29.7 28.00 1969 31.1 29.7 30.3 999.9 26.1 22.3 23.1 23.9 26.1 28.9 30.7 999.9 31.1 28.5 23.1 28.6 27.81 1970 31.0 30.9 31.4 29.5 26.4 24.6 22.5 24.1 27.2 30.3 30.4 30.6 31.3 29.1 23.7 29.3 28.35 1971 30.3 29.3 28.6 28.1 25.7 22.0 999.9 24.7 28.3 30.4 30.4 30.3 30.1 27.5 22.9 29.7 27.53 1972 31.3 31.0 30.1 28.9 25.9 23.6 999.9 999.9 999.9 999.9 999.9 999.9 30.9 28.3 999.9 999.9 999.90 1973 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 1974 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 1975 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 1976 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 1977 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 1978 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 1979 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 1980 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 1981 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 31.4 999.9 999.9 999.9 999.9 999.90 1982 28.6 29.0 29.6 28.5 25.3 22.4 22.1 23.5 27.3 28.6 30.9 31.8 29.7 27.8 22.7 28.9 27.27 1983 30.5 30.9 29.7 27.3 25.7 22.7 21.6 24.9 27.5 29.3 30.5 31.0 31.1 27.6 23.1 29.1 27.70 1984 28.7 30.4 28.9 28.8 26.4 22.3 20.8 23.6 26.5 28.8 30.7 31.0 30.0 28.0 22.2 28.7 27.24 1985 30.9 30.1 30.3 28.6 26.2 22.3 21.4 24.7 27.2 28.3 31.1 31.0 30.7 28.4 22.8 28.9 27.68 1986 30.2 30.8 31.2 29.9 27.0 25.1 22.1 22.8 27.0 27.9 31.0 32.2 30.7 29.4 23.3 28.6 28.00 1987 30.7 28.7 30.7 29.1 26.7 23.5 22.7 24.1 26.5 29.8 30.8 31.6 30.5 28.8 23.4 29.0 27.96 1988 32.3 32.2 31.8 29.6 28.4 24.2 999.9 25.1 28.5 31.7 31.4 30.3 32.0 29.9 24.2 30.5 29.17 1989 31.9 31.2 29.3 29.5 26.5 24.4 23.1 24.2 28.8 30.4 31.8 32.4 31.1 28.4 23.9 30.3 28.45 1990 31.5 31.4 31.6 29.8 27.3 24.5 24.0 24.5 27.5 30.5 32.2 32.3 31.8 29.6 24.3 30.1 28.93 1991 30.4 29.4 31.6 29.1 25.7 24.9 23.3 999.9 27.3 30.4 31.0 31.8 30.7 28.8 24.5 29.6 28.40 1992 31.6 31.8 31.9 31.2 28.6 25.9 24.6 25.9 27.5 30.4 999.9 999.9 31.7 30.6 25.5 29.9 29.42