Hurrell Station-Based DJFM NAO Index 1864 -1.02 1865 -1.24 1866 0.54 1867 -1.38 1868 2.81 1869 1.70 1870 -3.01 1871 -1.01 1872 -0.76 1873 -0.50 1874 2.32 1875 -1.35 1876 0.21 1877 0.05 1878 1.46 1879 -2.22 1880 0.89 1881 -3.80 1882 3.87 1883 -0.23 1884 1.44 1885 -0.89 1886 -1.12 1887 0.45 1888 -2.75 1889 -0.01 1890 1.78 1891 -0.82 1892 -2.02 1893 -1.07 1894 2.68 1895 -3.97 1896 1.12 1897 1.09 1898 1.02 1899 0.03 1900 -2.13 1901 -0.33 1902 -1.41 1903 3.89 1904 0.23 1905 1.98 1906 2.06 1907 2.06 1908 1.44 1909 0.00 1910 2.10 1911 0.29 1912 0.24 1913 2.69 1914 1.48 1915 -0.20 1916 -0.69 1917 -3.80 1918 -0.80 1919 -0.80 1920 3.18 1921 1.63 1922 1.85 1923 1.73 1924 -1.13 1925 2.39 1926 0.11 1927 1.72 1928 0.63 1929 -1.03 1930 0.91 1931 -0.16 1932 -0.50 1933 0.25 1934 0.86 1935 0.97 1936 -3.89 1937 0.72 1938 1.79 1939 0.37 1940 -2.86 1941 -2.31 1942 -0.55 1943 1.48 1944 0.61 1945 1.64 1946 0.27 1947 -2.71 1948 1.34 1949 1.87 1950 1.40 1951 -1.26 1952 0.83 1953 0.18 1954 0.13 1955 -2.52 1956 -1.73 1957 1.52 1958 -1.02 1959 -0.37 1960 -1.54 1961 1.80 1962 -2.38 1963 -3.60 1964 -2.86 1965 -2.88 1966 -1.69 1967 1.28 1968 -1.04 1969 -4.89 1970 -1.89 1971 -0.96 1972 0.34 1973 2.52 1974 1.23 1975 1.63 1976 1.37 1977 -2.14 1978 0.17 1979 -2.25 1980 0.56 1981 2.05 1982 0.80 1983 3.42 1984 1.60 1985 -0.63 1986 0.50 1987 -0.75 1988 0.72 1989 5.08 1990 3.96 1991 1.03 1992 3.28 1993 2.67 1994 3.03 1995 3.96 1996 -3.78 1997 -0.17 1998 0.72 1999 1.70 2000 2.80 2001 -1.90 2002 0.76 2003 0.20 2004 -0.07 2005 0.12 2006 -1.09 2007 2.79 2008 2.10 2009 -0.41 2010 -4.64 2011 -1.57 2012 3.17 2013 -1.97 2014 3.10 2015 3.56 2016 0.98 2017 1.47 2018 0.30 2019 2.09 2020 3.63 2021 -0.38 2022 1.93