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 1895 0.9 -3.3 5.5 10.1 14.9 19.4 20.1 20.2 18.8 9.7 7.6 2.0 -1.1 10.2 19.9 12.0 10.25 1896 1.2 2.2 4.9 13.7 18.5 18.7 21.0 21.0 17.4 11.0 9.4 2.9 1.8 12.4 20.2 12.6 11.75 1897 0.3 4.0 8.2 10.5 14.1 20.4 20.1 19.7 17.7 13.4 7.7 3.8 2.4 10.9 20.1 12.9 11.58 1898 3.2 1.0 9.5 8.3 17.2 20.5 20.8 20.2 18.1 10.8 3.7 2.0 2.7 11.7 20.5 10.9 11.43 1899 1.8 0.7 5.7 9.6 17.3 20.4 20.4 20.6 15.7 12.2 7.8 0.7 1.5 10.9 20.5 11.9 11.18 1900 0.9 0.0 4.4 11.4 15.8 19.0 20.9 21.1 18.7 14.3 8.0 2.6 0.5 10.5 20.3 13.7 11.27 1901 1.4 0.0 5.8 6.4 15.2 19.2 21.5 19.5 16.0 11.7 4.7 1.2 1.3 9.1 20.1 10.8 10.33 1902 1.6 -2.0 5.8 10.3 18.6 20.2 22.0 21.7 999.9 999.9 999.9 999.9 0.3 11.6 21.3 999.9 11.27 1903 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 1904 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 1905 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 1906 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 1907 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 1908 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 1909 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 -0.2 999.9 999.9 999.9 999.9 999.90 1910 1.5 1.3 9.6 10.4 13.4 16.8 20.1 19.1 18.2 13.2 5.2 -0.2 0.9 11.1 18.7 12.2 10.72 1911 5.6 6.0 6.3 9.6 16.1 19.3 17.8 19.7 20.5 15.3 999.9 999.9 3.8 10.7 18.9 15.2 12.16 1912 999.9 0.8 5.7 11.3 15.1 17.4 19.6 19.4 18.8 13.3 5.7 3.9 999.9 10.7 18.8 12.6 11.10 1913 4.8 3.3 7.0 10.2 15.9 19.1 21.1 20.3 16.0 11.6 8.1 4.6 4.0 11.0 20.2 11.9 11.78 1914 3.3 2.0 3.9 11.5 15.6 20.8 20.3 20.0 16.4 12.6 6.5 2.7 3.3 10.3 20.4 11.8 11.46 1915 2.1 3.5 1.5 11.6 17.0 18.1 20.0 19.3 17.9 13.6 8.1 2.0 2.8 10.0 19.1 13.2 11.28 1916 6.1 3.0 5.4 9.9 17.4 17.7 20.2 20.7 15.7 12.1 7.5 3.1 3.7 10.9 19.5 11.8 11.48 1917 5.5 2.3 7.1 12.3 13.0 17.7 20.1 19.0 16.2 8.6 6.0 -1.5 3.6 10.8 18.9 10.3 10.91 1918 -2.2 6.5 9.7 9.6 15.9 19.0 18.2 20.3 14.7 13.6 6.5 5.0 0.9 11.7 19.2 11.6 10.86 1919 2.9 1.9 7.2 10.9 15.1 19.0 20.3 19.3 16.7 16.6 7.9 3.5 3.3 11.1 19.5 13.7 11.90 1920 3.0 1.0 4.6 9.6 13.5 17.8 19.6 19.0 17.5 11.5 6.0 2.3 2.5 9.2 18.8 11.7 10.55 1921 3.6 4.3 11.2 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 3.4 999.9 999.9 999.9 999.90 1922 999.9 999.9 7.9 12.8 14.2 18.6 20.2 999.9 17.3 999.9 999.9 999.9 999.9 11.6 19.5 999.9 999.90 1923 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 1924 999.9 999.9 999.9 999.9 13.0 20.0 19.6 21.1 15.2 12.6 7.6 4.0 999.9 999.9 20.2 11.8 999.90 1925 2.5 5.7 7.6 13.2 13.9 21.0 21.2 999.9 22.3 10.8 5.3 2.1 4.1 11.6 21.2 12.8 12.41 1926 1.3 3.0 1.7 10.0 16.1 19.1 20.4 20.8 19.6 12.0 4.1 4.0 2.1 9.3 20.1 11.9 10.85 1927 2.3 7.4 6.6 11.9 15.5 17.5 19.5 18.3 18.3 13.4 8.5 2.6 4.6 11.3 18.4 13.4 11.93 1928 1.4 2.8 5.7 8.4 14.0 17.1 20.0 19.9 16.2 12.8 6.2 2.7 2.3 9.4 19.0 11.7 10.59 1929 2.6 1.6 7.0 11.6 14.1 17.5 19.4 19.9 16.4 10.6 5.6 2.8 2.3 10.9 18.9 10.9 10.75 1930 2.8 5.0 3.5 11.4 15.3 17.2 21.8 19.4 18.2 9.5 4.4 -0.2 3.5 10.1 19.5 10.7 10.94 1931 1.3 2.8 2.0 8.8 13.5 19.0 21.0 18.7 19.3 13.0 999.9 7.8 1.3 8.1 19.6 13.5 10.61 1932 6.7 7.5 4.4 11.4 15.3 19.5 22.3 20.3 17.1 12.0 5.9 5.6 7.3 10.4 20.7 11.7 12.52 1933 5.5 2.8 5.8 10.0 17.5 20.8 20.1 19.9 19.9 12.7 6.9 7.4 4.6 11.1 20.3 13.2 12.29 1934 3.5 -0.2 5.8 10.8 15.5 19.5 21.5 20.2 18.0 12.7 8.1 1.4 3.6 10.7 20.4 12.9 11.90 1935 3.0 3.0 9.1 10.7 15.6 18.1 20.3 20.1 18.0 13.0 8.5 -1.8 2.5 11.8 19.5 13.2 11.73 1936 0.1 1.0 7.6 9.3 17.3 20.3 21.7 20.5 18.7 12.9 6.1 4.5 -0.2 11.4 20.8 12.6 11.14 1937 7.3 1.4 5.6 10.1 15.6 19.7 20.0 19.6 16.3 9.9 4.8 2.4 4.4 10.4 19.8 10.3 11.23 1938 2.0 5.5 9.2 11.0 15.5 17.8 19.5 21.2 17.2 13.1 7.7 2.5 3.3 11.9 19.5 12.7 11.84 1939 2.9 4.5 7.8 10.2 15.1 20.4 20.5 19.5 18.7 13.9 6.3 3.3 3.3 11.0 20.1 13.0 11.86 1940 -4.6 1.3 4.8 9.3 14.0 18.7 19.3 19.4 16.7 13.1 6.0 4.8 0.0 9.4 19.1 11.9 10.11 1941 2.1 -0.5 2.9 12.4 16.7 19.1 20.0 20.4 18.8 15.2 6.9 5.0 2.1 10.7 19.8 13.6 11.57 1942 1.1 -0.8 5.6 12.5 15.0 19.3 20.9 18.9 16.8 12.2 7.6 2.5 1.8 11.0 19.7 12.2 11.18 1943 3.4 2.7 4.3 10.1 16.2 20.9 20.0 20.8 15.9 11.1 6.1 3.4 2.9 10.2 20.6 11.0 11.17 1944 3.0 5.1 6.2 10.0 16.6 20.7 18.9 18.5 17.3 11.8 5.5 0.6 3.8 10.9 19.4 11.5 11.42 1945 1.2 4.1 11.0 12.6 13.7 18.7 19.7 19.1 17.8 10.8 6.0 -1.4 2.0 12.4 19.2 11.5 11.28 1946 2.2 3.3 9.4 12.5 14.2 18.3 19.1 18.6 15.7 12.2 9.6 5.1 1.4 12.0 18.7 12.5 11.14 1947 4.8 -2.2 1.5 13.0 15.2 18.1 18.6 20.0 17.4 13.5 5.2 3.4 2.6 9.9 18.9 12.0 10.85 1948 -1.1 4.5 8.3 12.5 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 2.3 12.6 999.9 999.9 999.90 1949 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 1950 8.0 4.7 4.3 9.6 16.3 18.6 18.5 17.9 16.0 13.3 3.7 0.3 6.5 10.1 18.3 11.0 11.47 1951 1.7 3.5 6.3 999.9 14.6 18.8 20.4 21.2 17.2 13.2 4.4 3.2 1.8 10.5 20.1 11.6 11.01 1952 5.5 4.4 5.9 10.3 15.6 21.9 21.5 19.7 16.4 10.5 6.8 2.3 4.4 10.6 21.0 11.2 11.81 1953 3.3 3.7 7.4 10.5 17.5 19.5 20.3 19.6 16.8 12.7 6.8 2.1 3.1 11.8 19.8 12.1 11.70 1954 3.2 4.7 5.6 13.2 12.7 18.9 21.5 21.1 19.0 12.1 4.3 1.2 3.3 10.5 20.5 11.8 11.53 1955 1.3 3.0 7.4 12.9 16.4 15.9 20.2 20.6 18.0 10.9 6.2 1.2 1.8 12.2 18.9 11.7 11.17 1956 0.9 5.2 6.1 9.9 16.3 18.1 19.9 20.1 999.9 999.9 4.9 7.5 2.4 10.8 19.4 999.9 11.08 1957 3.0 6.4 5.4 12.2 15.8 19.1 20.1 19.2 17.6 9.4 7.1 3.0 5.6 11.1 19.5 11.4 11.90 1958 -1.5 -2.3 3.6 10.4 15.8 19.0 20.1 20.0 16.7 11.1 9.3 1.0 -0.3 9.9 19.7 12.4 10.43 1959 1.2 4.2 5.0 11.7 16.3 18.6 19.7 20.3 16.4 12.4 5.5 999.9 2.1 11.0 19.5 11.4 11.03 1960 2.0 1.0 -0.9 11.9 13.9 18.0 19.8 19.9 17.0 12.0 6.4 0.3 1.6 8.3 19.2 11.8 10.24 1961 -0.5 5.2 7.8 7.6 13.0 17.2 19.2 18.8 17.6 10.2 8.3 2.6 1.7 9.5 18.4 12.0 10.39 1962 1.6 5.7 3.9 8.7 18.1 17.7 20.1 19.3 15.9 12.7 5.7 0.5 3.3 10.2 19.0 11.4 11.00 1963 -0.2 -0.1 8.1 12.2 14.9 17.3 18.7 19.2 16.0 12.7 6.0 -1.8 0.1 11.7 18.4 11.6 10.44 1964 1.9 -0.6 5.4 11.2 15.8 19.4 19.1 19.0 16.6 9.6 9.2 4.1 -0.2 10.8 19.2 11.8 10.40 1965 2.0 2.4 4.4 12.4 17.1 17.1 19.8 19.5 16.7 10.4 7.3 3.8 2.8 11.3 18.8 11.5 11.10 1966 -0.4 2.1 5.2 9.8 14.5 17.3 20.4 19.0 15.7 10.3 6.6 2.7 1.8 9.8 18.9 10.9 10.36 1967 2.8 0.9 8.9 13.0 14.1 17.1 17.9 17.9 14.1 10.7 4.5 5.1 2.1 12.0 17.6 9.8 10.38 1968 1.0 -1.4 6.6 11.2 14.0 18.4 19.6 20.6 15.4 11.0 5.4 0.2 1.6 10.6 19.5 10.6 10.58 1969 0.7 1.2 2.2 11.4 14.8 19.2 21.1 18.3 15.4 11.5 5.0 0.2 0.7 9.5 19.5 10.6 10.08 1970 -2.4 1.7 5.9 11.9 15.6 17.5 20.3 19.5 18.2 11.5 5.3 4.2 -0.2 11.1 19.1 11.7 10.43 1971 1.2 2.3 3.0 10.8 13.8 18.5 19.0 19.0 17.5 13.8 5.6 7.2 2.6 9.2 18.8 12.3 10.73 1972 3.7 1.2 6.2 11.5 13.5 16.4 19.2 19.2 17.3 10.5 5.4 6.0 4.0 10.4 18.3 11.1 10.94 1973 2.1 1.2 8.5 8.4 13.4 17.9 20.0 19.1 18.1 12.2 8.2 2.8 3.1 10.1 19.0 12.8 11.26 1974 7.6 2.9 9.1 10.7 15.6 16.3 19.0 18.5 15.4 999.9 999.9 999.9 4.4 11.8 17.9 999.9 11.61 1975 999.9 999.9 4.6 10.3 16.3 17.8 19.0 19.7 15.9 12.3 5.8 999.9 999.9 10.4 18.8 11.3 10.59 1976 -0.9 5.8 7.6 11.7 13.0 17.0 19.5 18.8 15.1 8.7 3.1 1.3 2.6 10.8 18.4 9.0 10.18 1977 999.9 1.5 7.9 12.4 15.9 18.5 21.2 19.8 17.3 999.9 7.4 0.4 1.2 12.1 19.8 12.4 11.36 1978 -2.7 -1.3 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 -1.2 999.9 999.9 999.9 999.90 1979 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 16.7 999.9 6.7 2.5 999.9 999.9 999.9 11.7 999.90 1980 1.6 -2.5 4.2 9.2 15.5 18.9 21.9 20.6 18.3 9.9 5.9 0.9 0.5 9.6 20.5 11.4 10.50 1981 -2.5 1.3 4.4 13.8 14.1 20.7 21.3 19.0 16.1 10.4 6.0 -0.4 -0.1 10.8 20.3 10.8 10.46 1982 -0.2 4.9 8.1 9.5 16.2 18.9 20.8 19.5 15.8 11.6 7.2 5.0 1.4 11.3 19.7 11.5 10.99 1983 0.5 1.8 6.1 7.9 14.7 17.6 21.2 21.1 16.3 12.1 6.1 0.6 2.4 9.6 20.0 11.5 10.87 1984 0.0 3.3 6.1 9.5 14.6 19.2 19.3 19.8 15.5 14.4 4.6 5.9 1.3 10.1 19.4 11.5 10.58 1985 -4.1 1.5 6.8 11.2 14.7 18.8 20.0 19.2 16.4 14.2 11.6 -0.4 1.1 10.9 19.3 14.1 11.35 1986 0.3 4.2 6.8 12.0 15.5 19.6 21.6 19.2 17.6 12.1 8.9 3.3 1.4 11.4 20.1 12.9 11.45 1987 0.9 2.9 6.4 8.5 16.8 19.4 20.8 21.2 16.6 8.2 6.8 3.6 2.4 10.6 20.5 10.5 10.98 1988 -1.4 1.1 6.1 11.0 13.6 18.2 19.6 20.5 16.3 8.4 6.0 1.9 1.1 10.2 19.4 10.2 10.25 1989 4.5 3.8 9.3 10.1 13.3 18.2 20.2 19.5 16.7 11.4 5.7 -1.8 3.4 10.9 19.3 11.3 11.22 1990 3.7 5.5 9.1 9.9 15.1 19.0 20.5 20.2 16.5 11.7 7.7 5.2 2.5 11.4 19.9 12.0 11.43 1991 2.3 3.2 7.8 11.6 16.7 18.3 21.1 19.0 16.6 11.2 4.8 4.3 3.6 12.0 19.5 10.9 11.48 1992 2.0 4.7 5.9 9.8 13.1 17.1 20.9 18.2 16.7 9.9 6.1 2.5 3.7 9.6 18.7 10.9 10.73 1993 4.7 1.5 3.9 8.5 15.0 19.4 22.5 20.3 17.7 10.9 5.5 1.0 2.9 9.1 20.7 11.4 11.03 1994 999.9 3.4 7.3 12.2 13.3 19.4 19.7 18.8 15.4 11.1 8.3 4.6 2.0 10.9 19.3 11.6 10.95 1995 1.6 1.2 8.7 11.6 15.0 17.4 20.9 20.4 16.1 10.9 4.2 1.0 2.5 11.8 19.6 10.4 11.05 1996 0.1 2.3 3.7 9.2 16.5 18.1 20.3 19.3 16.0 11.7 4.1 3.0 1.1 9.8 19.2 10.6 10.19 1997 1.3 4.5 9.4 8.4 12.6 16.6 20.9 19.1 17.0 11.3 3.6 2.3 2.9 10.1 18.9 10.6 10.64 1998 3.1 4.0 5.3 10.1 17.1 20.5 21.5 20.3 19.0 12.6 8.3 5.5 3.1 10.8 20.8 13.3 12.01 1999 3.4 4.0 4.7 13.0 14.3 18.3 20.9 21.3 16.2 11.1 8.2 3.0 4.3 10.7 20.2 11.8 11.74 2000 0.8 5.0 8.4 10.1 17.1 19.3 20.7 20.2 16.7 12.1 5.3 -2.2 2.9 11.9 20.1 11.4 11.56 2001 0.4 5.7 4.7 12.3 15.1 18.4 20.0 20.4 15.5 10.2 9.1 4.1 1.3 10.7 19.6 11.6 10.80 2002 2.8 2.5 7.0 12.9 14.6 18.9 21.0 20.4 17.9 13.3 4.5 2.3 3.1 11.5 20.1 11.9 11.66 2003 -1.0 2.9 999.9 11.7 15.4 17.8 19.8 999.9 16.0 999.9 9.1 0.9 1.4 11.3 18.9 12.6 11.04 2004 1.3 2.0 7.6 11.0 17.2 19.0 20.6 18.6 16.9 13.8 8.3 1.6 1.4 11.9 19.4 13.0 11.43 2005 3.1 3.8 5.6 10.2 13.6 18.3 21.1 20.6 18.2 12.9 7.4 0.9 2.8 9.8 20.0 12.8 11.37 2006 4.2 2.2 7.1 13.5 14.9 18.9 21.0 21.4 16.0 10.7 7.0 4.6 2.4 11.8 20.4 11.2 11.48 2007 2.3 1.1 9.6 9.8 15.7 19.3 19.2 22.5 18.1 13.8 6.5 5.2 2.7 11.7 20.3 12.8 11.88 2008 0.5 4.2 6.5 11.1 15.3 20.0 20.7 20.5 17.7 10.9 4.5 4.0 3.3 11.0 20.4 11.0 11.43 2009 0.4 2.1 7.5 10.7 15.7 20.4 19.4 20.2 17.0 11.2 7.7 1.1 2.2 11.3 20.0 12.0 11.36 2010 -1.6 -1.5 5.0 12.8 16.7 21.4 22.1 22.1 18.4 999.9 999.9 999.9 -0.7 11.5 21.9 999.9 11.13 2011 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