Allan et al.(1996) winter SOI
mean 1879-1977 set to 0.0
1876  9.98
1877 -8.22
1878-16.52
1879 13.88
1880  2.68
1881 -6.72
1882 -0.92
1883  1.08
1884-13.02
1885-11.02
1886  0.48
1887 11.28
1888 -1.62
1889-11.72
1890 16.88
1891  2.38
1892 -6.02
1893  6.08
1894  8.18
1895  1.28
1896 -0.82
1897-13.52
1898  6.48
1899  7.38
1900 -7.42
1901 -2.62
1902  2.48
1903 -9.42
1904 14.28
1905 -4.92
1906-10.12
1907  2.18
1908  0.58
1909 -5.62
1910  7.18
1911  5.48
1912-11.52
1913 -7.52
1914 -5.22
1915-10.12
1916  2.28
1917  8.98
1918 16.98
1919-13.42
1920 -4.92
1921  7.78
1922  7.08
1923  5.88
1924 -2.32
1925  6.88
1926-11.12
1927  2.58
1928  1.38
1929 14.18
1930  7.18
1931 -5.22
1932 -0.72
1933 -2.52
1934  3.38
1935 -2.02
1936 -3.52
1937 -0.22
1938  4.38
1939 11.58
1940 -6.22
1941-17.12
1942-10.32
1943  9.98
1944 -6.02
1945  3.68
1946  1.38
1947 -6.72
1948 -1.82
1949 -5.32
1950  8.78
1951 12.98
1952 -9.32
1953 -7.22
1954 -2.92
1955  6.48
1956  9.68
1957  2.68
1958-10.42
1959-11.32
1960  1.18
1961  2.28
1962  7.38
1963  3.08
1964 -7.42
1965 -3.32
1966 -6.42
1967  6.48
1968  1.08
1969 -7.92
1970 -7.52
1971 10.88
1972  2.98
1973-11.72
1974 16.88
1975 -1.02
1976 13.48
1977 -6.22
1978-15.12
1979 -0.92
1980 -2.72
1981 -2.32
1982  3.28
1983-31.12
1984  0.78
1985 -1.12
1986 -2.12
1987-13.02
1988 -3.32
1989  9.68
1990-10.12
1991 -0.62
1992-19.32
1993 -9.12
1994 -1.42
1995 -8.12
1996 -0.42