1948 2010 1948 0.583 0.741 0.298 0.208 0.063 1.252 -0.102 -1.087 -0.975 -0.659 -0.264 -0.130 1949 0.179 -0.129 -0.203 -0.306 -0.165 0.590 -0.415 0.084 0.406 -0.785 0.491 -1.321 1950 -0.827 0.510 -0.461 -0.902 0.145 -0.369 1.628 -0.288 0.556 0.191 0.053 0.934 1951 1.511 1.520 1.145 0.255 0.195 -0.420 -0.006 -1.124 0.807 -1.696 -3.058 -1.273 1952 0.003 1.778 0.143 -0.030 -0.869 -2.771 0.268 -0.022 -0.606 -0.508 -0.475 0.746 1953 1.409 0.945 0.656 -0.907 -0.337 0.414 -0.893 -0.150 -0.418 -0.714 0.319 0.727 1954 1.166 0.994 -0.225 1.033 0.509 -1.070 -1.495 -1.416 0.617 0.514 -0.330 -0.781 1955 1.301 1.639 1.190 0.223 0.603 1.132 0.219 -2.270 0.504 -0.220 -0.406 -0.442 1956 -0.385 0.229 0.661 0.532 0.696 1.328 -0.277 -0.518 0.233 1.245 0.098 -0.592 1957 -0.316 0.639 1.292 -0.177 -1.079 -1.086 0.860 -1.088 0.850 -1.343 -1.493 -1.586 1958 0.713 -0.281 -0.291 -0.912 -1.055 -0.374 -0.961 0.802 1.497 0.285 0.100 0.703 1959 0.828 0.619 0.633 -1.382 -0.414 0.010 -0.148 -1.038 1.785 -0.116 1.670 -0.155 1960 0.564 0.837 2.170 0.056 0.555 0.926 0.932 0.309 1.612 0.111 0.531 0.494 1961 0.437 -0.625 -0.129 0.054 0.348 0.077 0.554 0.124 -0.715 1.754 0.884 1.935 1962 1.689 0.460 0.504 1.588 0.890 -0.542 1.504 0.517 0.054 0.663 -0.702 1.022 1963 1.584 0.916 0.647 0.112 -0.304 0.710 0.312 -3.678 -1.146 -0.196 0.963 -0.197 1964 -1.442 -0.313 0.073 0.722 2.041 -1.614 -3.518 -1.329 1.707 1.233 -1.089 -0.348 1965 -0.107 -2.599 0.831 0.035 -1.039 0.892 -0.361 -0.300 0.299 -0.001 1.242 -1.328 1966 0.812 -0.430 -0.772 0.339 -0.048 1.408 -1.136 2.579 0.981 1.377 -0.677 -0.215 1967 -1.298 -0.914 0.600 -0.187 -0.202 1.053 0.901 1.056 0.502 0.148 -0.740 0.049 1968 -0.054 -0.676 -0.087 0.252 -0.410 1.145 1.974 0.236 0.147 -1.154 -1.518 -0.605 1969 -1.982 -0.680 -0.204 -0.742 -0.004 -1.105 1.508 1.031 0.978 -0.891 0.426 -0.066 1970 0.745 0.676 0.240 -0.401 0.748 0.936 0.087 1.114 -0.666 -0.876 0.111 -1.018 1971 -0.306 0.402 0.880 -0.001 -1.393 1.511 -0.349 0.078 -0.016 -0.295 0.254 -0.887 1972 -1.224 -0.254 -0.634 -1.452 -0.345 -0.978 -0.681 -1.592 0.420 0.515 1.055 -0.351 1973 -0.211 0.716 1.640 0.373 -0.937 0.535 0.713 1.435 0.239 0.503 -0.031 1.746 1974 0.296 2.034 1.629 0.380 0.011 0.311 -0.099 -2.422 1.507 0.164 -1.042 -0.620 1975 -0.274 0.435 0.811 0.948 -1.073 0.003 -1.226 1.147 1.692 1.179 0.242 0.165 1976 -0.114 1.133 0.588 1.670 1.022 0.451 0.329 0.521 0.940 -0.138 -1.398 -3.372 1977 -1.049 0.358 0.179 -0.170 -0.251 -0.264 -0.569 -0.509 0.953 0.286 0.618 -0.078 1978 1.252 0.990 0.219 0.664 0.343 0.979 -1.801 1.707 1.124 -0.133 -0.399 0.768 1979 1.094 1.063 1.810 1.563 1.253 2.065 2.893 0.370 0.998 0.575 0.163 -0.323 1980 0.780 -0.117 -0.318 -1.055 0.704 1.403 -1.101 -0.130 -0.962 1.379 -1.448 -0.067 1981 0.759 0.923 -0.353 -1.070 0.536 1.532 0.026 -1.385 -1.130 0.184 1.443 1.952 1982 0.277 1.282 2.440 2.168 1.054 1.689 -0.177 0.679 1.795 -0.941 -0.607 -1.878 1983 -0.997 -0.677 0.504 0.817 0.235 0.301 1.200 0.795 0.067 0.903 0.777 0.193 1984 -1.129 -0.258 1.166 0.447 -0.641 0.658 0.590 -0.389 0.963 0.031 0.645 -1.503 1985 -0.260 0.493 0.487 0.773 0.295 0.368 2.872 1.407 2.403 1.097 2.293 1.988 1986 1.048 -0.753 -0.144 1.085 -1.480 0.015 1.063 0.338 1.773 1.127 0.736 1.745 1987 -0.176 0.016 0.455 0.701 0.822 0.399 -1.018 2.071 -0.443 1.441 2.311 1.197 1988 0.348 1.455 0.602 0.956 0.070 -0.332 1.834 -0.188 0.039 -1.888 1.467 1.821 1989 1.193 1.829 1.289 0.012 3.483 2.799 2.171 -0.046 0.409 1.185 1.445 0.204 1990 0.426 2.174 1.150 -1.706 -1.182 1.080 -0.021 1.319 2.580 1.112 0.841 0.765 1991 1.984 0.140 1.074 0.145 0.188 -0.198 -0.471 0.956 -0.074 0.079 0.055 -1.853 1992 0.896 -1.118 -0.321 0.333 -1.440 -1.573 0.640 0.527 0.801 0.334 1.531 1.071 1993 -1.403 1.337 0.009 0.642 1.712 1.765 2.446 1.776 1.338 1.207 0.698 1.295 1994 1.003 1.666 1.137 0.241 -0.005 -1.254 0.005 2.435 -0.623 -0.054 -0.168 1.540 1995 2.109 1.331 0.367 1.436 2.229 -0.263 -2.834 -0.261 2.239 0.398 1.105 2.403 1996 0.853 0.082 1.480 0.956 1.429 0.531 0.447 -0.570 -1.097 1.928 -0.741 0.672 1997 1.114 0.441 1.935 0.416 1.957 0.259 1.074 1.244 0.520 -0.115 -1.135 -0.114 1998 1.543 1.660 1.599 3.123 1.020 2.764 2.642 2.247 0.682 0.878 1.875 1.932 1999 1.555 0.779 0.805 1.820 2.632 -0.831 0.879 0.663 0.285 2.977 1.871 2.507 2000 2.122 1.310 0.583 0.780 1.970 1.273 0.878 0.398 -1.114 1.334 -0.432 -1.116 2001 0.659 0.227 0.795 1.772 0.971 1.680 -0.097 1.731 2.301 2.267 1.873 2.241 2002 1.330 2.194 -1.411 1.155 -2.106 0.197 0.215 0.899 0.207 -2.208 -0.215 2.181 2003 -0.250 0.580 0.389 1.477 1.464 -0.188 1.752 1.828 0.713 0.581 0.260 -1.183 2004 1.668 -0.407 1.277 0.939 1.283 2.567 1.804 0.403 1.377 0.767 0.713 -0.462 2005 0.798 2.259 0.862 1.447 0.778 -0.630 0.571 1.016 1.154 0.827 -0.062 -1.926 2006 0.997 0.472 1.186 0.447 2.533 1.534 1.690 -0.905 0.480 1.960 1.234 1.031 2007 0.721 0.724 -0.048 -0.404 0.457 -0.102 -2.056 0.764 0.683 0.295 0.089 2.804 2008 2.017 1.837 1.246 0.098 0.275 2.648 1.210 0.664 2.357 1.811 1.873 1.715 2009 1.868 1.150 1.368 0.491 0.160 0.591 -0.200 -0.308 0.568 0.853 -1.455 0.949 2010 -0.413 -0.490 0.729 1.163 1.958 3.381 3.520 2.550 1.407 2.289 2.339 0.490 -999. AAO from the 20CR V2 1981-2010 base period http://www.esrl.noaa.gov/psd/data/20thC_Rean/data/timeseries/monthly/AAO/