Boreal Winter SOI series unsmoothed as described in Jones and Mann(2004) Column 1 Observed SOI (from Ropelewski and Jones, 1987) for Oct-Mar (dated by the Jan) 1867 2000 Column 2 Mann et al.(2000b) rescaled to observed mean and SD over 1867-1977 1650 1980 Column 3 Stahle et al. (1998b) similarly rescaled 1706 1977 Missing data in all series -99.99 1649 -99.99 -99.99 -99.99 1650 -99.99 -0.08 -99.99 1651 -99.99 -0.65 -99.99 1652 -99.99 -1.72 -99.99 1653 -99.99 -0.71 -99.99 1654 -99.99 0.34 -99.99 1655 -99.99 -0.12 -99.99 1656 -99.99 -0.72 -99.99 1657 -99.99 -1.33 -99.99 1658 -99.99 0.01 -99.99 1659 -99.99 -0.49 -99.99 1660 -99.99 0.49 -99.99 1661 -99.99 0.12 -99.99 1662 -99.99 -0.74 -99.99 1663 -99.99 0.58 -99.99 1664 -99.99 0.83 -99.99 1665 -99.99 0.79 -99.99 1666 -99.99 -0.82 -99.99 1667 -99.99 -0.37 -99.99 1668 -99.99 -0.19 -99.99 1669 -99.99 0.43 -99.99 1670 -99.99 -0.42 -99.99 1671 -99.99 -0.39 -99.99 1672 -99.99 0.49 -99.99 1673 -99.99 0.35 -99.99 1674 -99.99 -0.60 -99.99 1675 -99.99 -0.56 -99.99 1676 -99.99 0.59 -99.99 1677 -99.99 -0.62 -99.99 1678 -99.99 0.73 -99.99 1679 -99.99 0.51 -99.99 1680 -99.99 0.37 -99.99 1681 -99.99 -0.68 -99.99 1682 -99.99 -0.85 -99.99 1683 -99.99 0.06 -99.99 1684 -99.99 0.07 -99.99 1685 -99.99 0.02 -99.99 1686 -99.99 -0.40 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0.43 0.22 1729 -99.99 -0.09 0.66 1730 -99.99 0.43 0.39 1731 -99.99 0.40 0.06 1732 -99.99 0.82 0.09 1733 -99.99 0.26 0.85 1734 -99.99 -0.19 0.11 1735 -99.99 -0.62 0.16 1736 -99.99 -0.01 0.68 1737 -99.99 -0.53 -0.31 1738 -99.99 -0.93 0.06 1739 -99.99 -0.84 1.16 1740 -99.99 -1.05 -0.25 1741 -99.99 -0.88 -0.52 1742 -99.99 -0.14 0.98 1743 -99.99 -0.26 0.44 1744 -99.99 -0.16 -0.21 1745 -99.99 -0.55 -0.59 1746 -99.99 -0.46 -1.22 1747 -99.99 -1.14 -1.08 1748 -99.99 -0.76 1.14 1749 -99.99 -1.07 -0.80 1750 -99.99 -0.91 -0.23 1751 -99.99 -0.63 0.15 1752 -99.99 0.26 1.32 1753 -99.99 0.19 0.43 1754 -99.99 -0.34 0.21 1755 -99.99 -0.58 1.21 1756 -99.99 -0.35 0.19 1757 -99.99 1.07 0.30 1758 -99.99 0.72 0.26 1759 -99.99 0.23 -0.31 1760 -99.99 -0.42 -0.03 1761 -99.99 0.56 0.74 1762 -99.99 -0.45 -0.32 1763 -99.99 0.17 -0.17 1764 -99.99 0.19 0.35 1765 -99.99 0.15 0.67 1766 -99.99 -0.43 0.17 1767 -99.99 -0.91 0.50 1768 -99.99 -0.49 0.62 1769 -99.99 0.22 -0.40 1770 -99.99 -0.36 -0.98 1771 -99.99 -0.57 -0.38 1772 -99.99 -0.11 0.86 1773 -99.99 0.18 0.98 1774 -99.99 -0.02 -0.27 1775 -99.99 0.04 -0.09 1776 -99.99 0.02 0.44 1777 -99.99 0.29 0.18 1778 -99.99 0.51 0.64 1779 -99.99 0.06 0.25 1780 -99.99 -0.04 -0.16 1781 -99.99 0.46 0.57 1782 -99.99 0.51 0.25 1783 -99.99 -0.41 -0.68 1784 -99.99 -0.82 -0.71 1785 -99.99 0.32 0.83 1786 -99.99 0.30 1.19 1787 -99.99 0.48 0.03 1788 -99.99 0.12 -0.62 1789 -99.99 0.36 0.32 1790 -99.99 1.24 1.19 1791 -99.99 -0.34 0.13 1792 -99.99 -1.14 -0.72 1793 -99.99 -0.99 -0.60 1794 -99.99 -0.27 0.44 1795 -99.99 -1.03 -0.05 1796 -99.99 -0.66 0.05 1797 -99.99 0.83 0.73 1798 -99.99 0.42 0.80 1799 -99.99 -0.31 -0.27 1800 -99.99 -0.77 -0.43 1801 -99.99 0.76 1.13 1802 -99.99 0.47 0.62 1803 -99.99 0.33 -0.35 1804 -99.99 -0.57 -1.04 1805 -99.99 0.15 1.08 1806 -99.99 0.51 1.22 1807 -99.99 0.23 -0.12 1808 -99.99 0.45 0.77 1809 -99.99 0.19 0.62 1810 -99.99 0.26 -0.16 1811 -99.99 0.44 0.10 1812 -99.99 0.07 0.60 1813 -99.99 0.61 0.64 1814 -99.99 -0.18 -0.10 1815 -99.99 -0.52 -0.51 1816 -99.99 -0.87 -1.25 1817 -99.99 0.12 0.34 1818 -99.99 0.88 0.52 1819 -99.99 0.98 0.34 1820 -99.99 1.71 0.85 1821 -99.99 -0.55 -0.22 1822 -99.99 1.14 -0.19 1823 -99.99 0.14 0.54 1824 -99.99 0.50 -0.25 1825 -99.99 -0.61 -1.41 1826 -99.99 -0.22 0.72 1827 -99.99 -0.95 -0.04 1828 -99.99 -0.65 -0.72 1829 -99.99 -1.17 -0.09 1830 -99.99 -0.80 0.58 1831 -99.99 0.01 0.65 1832 -99.99 0.60 0.38 1833 -99.99 -1.53 -0.56 1834 -99.99 -0.76 -0.48 1835 -99.99 0.36 -0.16 1836 -99.99 -0.71 0.45 1837 -99.99 -0.24 -0.08 1838 -99.99 0.15 0.08 1839 -99.99 -0.58 -0.78 1840 -99.99 -0.07 -0.12 1841 -99.99 -0.17 0.33 1842 -99.99 1.20 0.48 1843 -99.99 -0.19 0.09 1844 -99.99 0.16 -0.04 1845 -99.99 0.17 0.13 1846 -99.99 -0.51 -0.09 1847 -99.99 0.70 0.80 1848 -99.99 0.49 -0.29 1849 -99.99 0.39 -0.19 1850 -99.99 -0.61 0.01 1851 -99.99 0.18 0.87 1852 -99.99 -0.87 -0.75 1853 -99.99 -0.36 -0.46 1854 -99.99 -0.20 0.92 1855 -99.99 -0.16 0.74 1856 -99.99 -0.68 -0.93 1857 -99.99 0.17 0.34 1858 -99.99 0.17 0.14 1859 -99.99 0.21 0.50 1860 -99.99 0.07 0.57 1861 -99.99 0.46 0.78 1862 -99.99 -0.24 0.63 1863 -99.99 0.84 0.62 1864 -99.99 0.80 1.24 1865 -99.99 0.02 -0.32 1866 -99.99 -0.25 0.26 1867 0.30 -0.13 0.31 1868 -0.56 0.14 -0.19 1869 -0.69 -0.81 -1.18 1870 0.52 0.29 0.62 1871 -0.86 -0.20 0.92 1872 1.19 1.29 0.33 1873 2.31 0.41 0.09 1874 0.02 0.42 0.09 1875 0.73 -0.21 -0.15 1876 0.29 0.15 0.37 1877 -0.75 -1.31 -1.03 1878 -1.46 -1.12 0.18 1879 1.49 0.46 0.95 1880 0.95 1.37 1.15 1881 0.05 -0.71 0.02 1882 -0.20 0.64 -0.05 1883 -0.24 0.45 1.05 1884 -0.25 -0.05 0.02 1885 -0.32 -0.92 -0.82 1886 -0.37 -0.00 0.02 1887 1.27 1.77 1.33 1888 -0.16 -1.07 -0.11 1889 -1.47 -0.32 -0.94 1890 1.67 1.46 0.59 1891 0.16 -0.17 0.02 1892 -0.01 0.45 0.35 1893 0.50 1.54 0.95 1894 0.95 0.90 1.37 1895 0.20 0.56 0.11 1896 -0.31 -0.02 -0.01 1897 -1.40 -0.88 -0.57 1898 0.69 -0.36 0.21 1899 0.86 1.16 1.51 1900 -0.30 -0.29 0.23 1901 -0.30 -0.31 -0.36 1902 -0.11 0.12 1.51 1903 -0.18 -0.59 -0.51 1904 1.09 1.62 1.53 1905 -1.22 -1.01 -0.74 1906 -0.88 -0.21 -1.30 1907 0.65 0.25 -0.16 1908 -0.02 0.51 -0.48 1909 0.01 0.51 0.46 1910 0.91 1.59 1.47 1911 0.97 0.68 0.28 1912 -0.94 -0.59 -0.37 1913 -0.34 0.30 0.09 1914 -0.34 -0.35 -0.78 1915 -1.00 -0.84 -1.41 1916 0.04 0.50 0.50 1917 1.15 1.38 0.82 1918 1.55 1.55 1.41 1919 -0.86 -1.22 -1.06 1920 -0.59 0.06 -1.01 1921 0.61 0.81 0.70 1922 0.90 0.27 1.31 1923 0.85 0.38 1.07 1924 -0.29 0.15 -0.76 1925 1.04 1.61 1.27 1926 -1.06 -0.91 -0.74 1927 0.68 0.39 -0.61 1928 0.20 -0.37 0.12 1929 1.14 0.58 1.13 1930 0.86 -0.19 -0.43 1931 0.13 -0.88 -1.01 1932 -0.10 -0.30 -0.22 1933 -0.24 0.41 0.14 1934 0.46 0.83 0.98 1935 0.55 0.86 0.33 1936 0.15 0.28 -0.46 1937 0.01 -0.42 -0.33 1938 0.17 0.07 0.23 1939 1.18 0.19 1.46 1940 -0.81 -0.46 -0.49 1941 -1.53 -1.38 -1.84 1942 -1.07 -1.70 -1.61 1943 0.73 0.24 1.13 1944 0.10 -0.98 -0.67 1945 0.27 -0.21 0.26 1946 0.13 0.56 1.34 1947 -0.26 -0.38 -0.18 1948 0.04 0.30 -0.65 1949 0.09 0.30 -0.59 1950 0.85 0.98 0.57 1951 1.16 1.06 1.19 1952 -0.71 -0.38 -0.10 1953 -0.34 0.80 0.47 1954 -0.10 0.83 0.77 1955 0.52 0.65 0.54 1956 1.30 1.14 0.80 1957 0.59 0.13 0.63 1958 -0.65 -1.08 -0.36 1959 -0.48 0.59 0.13 1960 0.51 -0.60 0.06 1961 -0.08 0.22 0.21 1962 0.51 0.41 0.13 1963 0.61 0.42 0.82 1964 -0.48 0.43 0.32 1965 0.21 -0.28 0.10 1966 -0.98 -0.85 -0.73 1967 0.51 0.24 1.20 1968 -0.00 0.06 -0.38 1969 -0.35 -0.54 -0.21 1970 -0.48 -0.08 -0.37 1971 1.48 2.19 1.59 1972 0.73 0.50 0.66 1973 -0.69 -0.72 -1.44 1974 2.01 2.13 0.97 1975 0.33 0.18 0.28 1976 1.58 0.15 0.46 1977 0.05 -0.47 0.11 1978 -1.21 -0.44 -99.99 1979 -0.13 -1.18 -99.99 1980 -0.31 -0.76 -99.99 1981 -0.40 -99.99 -99.99 1982 0.25 -99.99 -99.99 1983 -2.86 -99.99 -99.99 1984 0.07 -99.99 -99.99 1985 0.09 -99.99 -99.99 1986 -0.12 -99.99 -99.99 1987 -1.01 -99.99 -99.99 1988 -0.24 -99.99 -99.99 1989 1.31 -99.99 -99.99 1990 -0.44 -99.99 -99.99 1991 -0.23 -99.99 -99.99 1992 -1.71 -99.99 -99.99 1993 -0.96 -99.99 -99.99 1994 -0.41 -99.99 -99.99 1995 -0.60 -99.99 -99.99 1996 0.18 -99.99 -99.99 1997 0.33 -99.99 -99.99 1998 -1.85 -99.99 -99.99 1999 1.18 -99.99 -99.99 2000 1.16 -99.99 -99.99 smoothed (as plotted) by 30 yr Gaussian filter 1649 -99.99 -99.99 -99.99 1650 -99.99 -0.52 -99.99 1651 -99.99 -0.51 -99.99 1652 -99.99 -0.49 -99.99 1653 -99.99 -0.47 -99.99 1654 -99.99 -0.44 -99.99 1655 -99.99 -0.40 -99.99 1656 -99.99 -0.36 -99.99 1657 -99.99 -0.32 -99.99 1658 -99.99 -0.27 -99.99 1659 -99.99 -0.21 -99.99 1660 -99.99 -0.16 -99.99 1661 -99.99 -0.12 -99.99 1662 -99.99 -0.08 -99.99 1663 -99.99 -0.05 -99.99 1664 -99.99 -0.03 -99.99 1665 -99.99 -0.02 -99.99 1666 -99.99 -0.01 -99.99 1667 -99.99 -0.01 -99.99 1668 -99.99 -0.01 -99.99 1669 -99.99 -0.02 -99.99 1670 -99.99 -0.02 -99.99 1671 -99.99 -0.02 -99.99 1672 -99.99 -0.03 -99.99 1673 -99.99 -0.03 -99.99 1674 -99.99 -0.03 -99.99 1675 -99.99 -0.03 -99.99 1676 -99.99 -0.04 -99.99 1677 -99.99 -0.05 -99.99 1678 -99.99 -0.06 -99.99 1679 -99.99 -0.09 -99.99 1680 -99.99 -0.11 -99.99 1681 -99.99 -0.15 -99.99 1682 -99.99 -0.19 -99.99 1683 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