Observed temperature anomalies, base 1951-1980 (deg C) - 5-year running mean Date 1880 * 1881 * 1882 -48.0 1883 -51.0 1884 -53.0 1885 -55.0 1886 -53.0 1887 -43.0 1888 -40.0 1889 -39.0 1890 -37.0 1891 -39.0 1892 -43.0 1893 -43.0 1894 -40.0 1895 -35.0 1896 -32.0 1897 -29.0 1898 -22.0 1899 -18.0 1900 -20.0 1901 -20.0 1902 -25.0 1903 -29.0 1904 -31.0 1905 -34.0 1906 -34.0 1907 -30.0 1908 -32.0 1909 -34.0 1910 -32.0 1911 -30.0 1912 -25.0 1913 -18.0 1914 -18.0 1915 -21.0 1916 -23.0 1917 -26.0 1918 -29.0 1919 -26.0 1920 -19.0 1921 -14.0 1922 -12.0 1923 -11.0 1924 -7.0 1925 -5.0 1926 -1.0 1927 -2.0 1928 .0 1929 -1.0 1930 .0 1931 -4.0 1932 .0 1933 .0 1934 -1.0 1935 2.0 1936 9.0 1937 9.0 1938 12.0 1939 14.0 1940 12.0 1941 9.0 1942 10.0 1943 7.0 1944 5.0 1945 6.0 1946 6.0 1947 3.0 1948 1.0 1949 1.0 1950 .0 1951 3.0 1952 3.0 1953 4.0 1954 .0 1955 .0 1956 -2.0 1957 .0 1958 2.0 1959 7.0 1960 6.0 1961 4.0 1962 -3.0 1963 -7.0 1964 -10.0 1965 -11.0 1966 -14.0 1967 -8.0 1968 -4.0 1969 -4.0 1970 -6.0 1971 .0 1972 -2.0 1973 -3.0 1974 -6.0 1975 -1.0 1976 -2.0 1977 2.0 1978 8.0 1979 21.0 1980 18.0 1981 23.0 1982 22.0 1983 18.0