1871 2012 1871 -0.107 0.004 -0.503 -0.650 -0.379 0.025 0.317 0.027 -0.732 -0.685 0.037 0.566 1872 0.376 -0.241 -0.904 -1.019 0.367 0.282 -0.061 0.597 0.779 0.818 1.070 1.203 1873 0.831 0.762 0.379 -0.028 0.014 0.349 0.189 0.428 -0.170 0.643 0.859 0.317 1874 0.063 0.125 -0.068 -0.124 0.365 0.535 0.693 1.298 0.554 0.566 0.889 0.185 1875 -0.369 -0.764 -1.238 0.111 0.683 0.696 0.505 1.008 1.210 0.945 -0.307 -0.184 1876 -0.655 -0.364 -0.849 0.370 1.494 0.495 0.096 -0.008 -0.432 -0.304 -0.805 -0.355 1877 -0.398 -1.054 -1.391 -1.819 -1.646 -1.401 -1.762 -1.275 -1.725 -2.118 -2.870 -0.522 1878 -1.109 -1.220 -1.306 -1.158 -0.561 -1.450 -0.316 0.395 0.462 0.428 -0.158 0.652 1879 0.550 0.177 -0.094 -2.283 1.556 1.737 1.975 1.307 0.447 0.640 0.411 0.073 1880 0.545 0.226 0.335 0.133 0.438 0.076 0.159 0.757 0.206 0.547 0.073 -0.723 1881 -0.156 -0.758 -0.756 -0.344 -0.534 -0.826 0.524 -0.966 -0.038 -0.274 0.903 -0.602 1882 0.693 0.640 0.542 -0.332 2.187 0.910 -0.228 -0.296 -0.072 0.521 0.803 0.515 1883 -0.303 -0.001 -0.883 -1.465 -0.412 0.488 -0.467 0.154 0.741 0.166 -0.375 -0.458 1884 0.041 -0.725 0.206 -0.403 -0.492 -0.916 -0.902 -0.826 -0.239 0.758 -0.672 -1.007 1885 -0.274 -0.055 -0.573 -1.323 -0.543 -0.513 -0.355 -0.954 -0.985 -0.706 -0.714 1.088 1886 -0.147 -1.057 -3.015 1.501 0.702 -0.141 0.069 1.338 1.768 1.285 0.839 2.092 1887 0.807 0.664 0.853 1.279 1.505 0.128 -0.939 -0.546 -0.209 0.120 -0.503 -0.093 1888 -0.221 -0.381 -1.011 -1.037 -0.386 -0.991 -1.086 -1.872 -0.899 -1.438 -1.832 -2.047 1889 -1.848 -1.529 -1.662 -2.100 -2.061 0.358 0.368 0.318 0.361 -0.091 0.836 1.470 1890 0.947 0.343 0.507 -0.088 0.344 0.691 -0.979 0.660 0.936 0.813 -0.155 0.261 1891 1.135 0.058 -0.631 -0.879 -0.006 -1.144 -2.552 -1.058 -0.836 -0.320 -0.390 -0.110 1892 -0.457 -1.243 0.420 -0.328 0.372 0.505 -0.237 0.621 0.691 1.220 0.729 0.235 1893 0.475 0.516 0.523 0.270 0.929 2.069 2.181 1.822 1.146 0.972 0.878 0.642 1894 1.384 0.981 0.906 1.120 0.440 0.387 0.290 0.216 0.033 0.581 -0.283 0.699 1895 0.875 0.525 -0.144 0.123 -0.086 -0.091 -0.716 -0.531 -0.947 -0.014 -0.826 -0.109 1896 0.278 0.931 -0.185 -0.795 -1.645 -0.602 -1.038 -1.472 -1.236 -1.323 -1.372 -0.976 1897 -1.572 -1.208 -2.285 -1.862 -1.241 0.803 -0.088 0.194 -0.187 -0.016 -0.163 0.315 1898 0.500 0.536 0.597 -0.458 -0.426 0.222 -0.200 0.169 -0.178 -0.257 -0.906 -0.149 1899 0.266 -0.043 0.583 -0.308 -0.765 -0.997 -1.149 -1.061 -0.907 -1.173 -1.513 -1.404 1900 -1.753 -1.030 -2.082 -2.559 -1.030 -0.758 -0.906 -0.129 -0.722 -1.072 -1.263 -0.859 1901 -1.085 -0.053 -0.368 -1.104 -0.507 0.367 -0.948 -0.655 -0.852 -0.569 0.092 -0.386 1902 -0.096 -0.661 -0.964 -2.109 -3.121 -1.835 -2.739 -1.995 -2.333 -2.404 -3.574 -2.433 1903 -2.951 -2.104 -2.387 -3.567 -1.594 -1.438 -1.062 -1.071 -0.886 -0.406 -0.978 -0.165 1904 -0.020 0.335 -0.806 -0.310 -0.246 -1.065 -1.264 -1.075 -0.933 -1.062 -1.586 -1.016 1905 -1.286 -1.378 -3.056 -1.871 -1.548 -1.684 -2.241 -2.152 -2.103 -1.690 -2.179 -1.249 1906 -1.499 -0.806 -1.281 -2.540 -1.087 -0.862 -0.135 -0.893 0.221 0.028 -0.886 -0.456 1907 -0.208 -0.656 -0.352 -0.479 -1.284 -0.775 -1.260 -1.530 -1.371 -0.156 -0.616 -0.069 1908 -1.281 0.239 -0.778 -0.696 -1.257 -1.326 -0.638 0.209 -1.214 -0.290 0.333 -0.055 1909 -0.248 -0.529 -0.188 -0.551 -0.080 0.653 0.711 0.967 0.127 1.028 0.936 1.012 1910 1.399 1.539 0.437 0.425 -0.080 1.231 1.554 1.366 0.962 0.311 0.489 0.761 1911 0.692 0.290 1.007 0.630 0.639 0.243 -0.445 0.648 0.272 -0.251 -0.448 -0.672 1912 -1.795 -0.962 -0.876 -1.267 -0.746 -0.609 0.251 -0.292 0.049 -0.479 -0.542 -0.463 1913 0.488 0.257 0.394 -0.791 -1.758 -1.109 -1.136 -0.631 -1.201 -0.753 -1.621 -1.009 1914 -0.750 -1.108 0.050 -0.864 -1.171 -1.765 -2.000 -1.802 -1.238 -0.920 -0.424 -0.361 1915 -2.402 -2.223 -1.664 -2.150 -1.444 -0.468 -0.450 0.361 0.431 -1.244 -0.938 0.198 1916 0.139 -0.369 -0.757 -0.576 -0.914 -0.547 0.575 0.990 0.711 0.779 1.032 1.062 1917 0.450 0.148 0.327 0.538 -0.042 0.364 0.927 1.190 0.807 0.722 1.130 0.368 1918 0.509 0.413 -1.261 -0.403 -0.943 -1.552 -1.619 -0.656 -1.172 -1.077 -1.346 -1.631 1919 -1.996 -1.730 -1.994 -1.747 -1.082 -1.041 -0.519 -1.026 -0.651 -0.580 -0.170 -0.571 1920 -0.673 -1.579 -1.527 -1.150 -0.705 -0.029 -0.365 -0.681 -0.964 -1.268 -1.255 -0.389 1921 -0.441 0.103 0.548 -1.498 -0.123 0.059 0.003 -0.883 -0.064 -0.010 -0.274 -0.423 1922 -0.533 -0.010 -0.556 -1.081 -1.465 0.483 -1.174 -0.890 -0.103 -0.257 -0.636 0.445 1923 -0.097 -0.255 -0.185 -0.740 -1.236 -0.459 -1.956 -1.350 -1.411 -1.348 -1.457 -0.526 1924 -1.450 -0.494 -0.651 -1.357 0.187 0.199 0.555 0.546 0.333 -0.020 0.860 0.360 1925 -0.172 -0.097 -0.140 -1.579 -1.455 -0.929 -1.858 -1.295 -1.107 -1.788 -0.522 -1.203 1926 -0.918 -1.308 -1.678 -0.910 -0.640 -1.675 -1.089 -0.244 0.042 -0.838 -1.053 -0.290 1927 0.212 -0.913 -0.069 -1.909 -0.921 0.255 -0.590 -0.015 -0.444 -0.889 -0.943 -0.867 1928 -1.528 0.003 0.046 -0.486 -1.994 -1.386 -0.693 0.396 0.226 0.231 -0.496 0.162 1929 -0.133 0.213 -0.139 -0.807 -1.404 -0.626 -1.421 -0.859 -0.830 -0.799 -0.560 -1.330 1930 -0.857 -0.735 -1.113 -1.632 -1.479 -0.860 -1.680 -1.754 -1.955 -0.673 -1.709 -1.338 1931 -1.040 -2.239 -0.875 -1.524 -1.544 -0.409 -0.393 -0.179 0.135 -0.721 -0.289 0.462 1932 -0.284 -0.574 -0.589 -2.359 -0.779 -1.003 -1.559 -0.586 -1.096 0.052 -0.513 0.078 1933 -0.732 -0.181 -1.527 -1.076 0.246 -0.320 0.084 0.018 0.666 0.812 0.627 0.543 1934 0.420 -0.042 -0.343 -0.636 -1.501 -0.346 -0.138 -0.346 -0.403 -0.173 -0.141 -0.165 1935 -0.306 -0.222 -0.020 -1.034 -0.672 -0.216 0.275 0.024 -0.109 0.060 -0.475 -0.206 1936 -0.221 -0.773 -0.034 -1.161 -0.252 -0.264 0.488 -0.449 0.029 -0.275 -1.536 -0.542 1937 -0.333 -0.717 -0.663 -1.172 -0.542 0.439 -0.566 0.218 -0.184 -0.421 -0.337 0.202 1938 0.063 0.286 -0.182 -0.260 -0.005 0.528 1.010 1.537 0.508 0.981 0.187 1.106 1939 0.317 0.522 -0.272 -0.240 -0.984 -0.240 -0.292 0.348 -0.943 -0.757 0.038 -0.657 1940 -0.230 -0.562 -1.359 -1.621 -1.034 -1.903 -1.700 -0.727 -1.065 -0.851 -0.050 -1.610 1941 -0.943 -0.737 -0.774 -1.524 -1.507 -0.438 -1.642 -0.778 -0.800 -1.879 -1.146 -1.237 1942 -1.416 -0.546 -0.008 -0.021 2.011 1.543 0.746 2.132 1.464 0.816 0.123 1.703 1943 -0.282 -0.105 -1.991 -0.973 0.231 -0.533 -0.250 0.499 -0.519 0.547 -0.390 -0.726 1944 -0.382 0.177 0.651 -0.136 -0.761 -0.217 -1.021 -0.034 -0.087 -0.380 0.473 0.357 1945 0.809 0.747 1.386 0.125 0.071 1.871 1.149 1.512 0.423 -0.027 -0.135 0.723 1946 0.191 0.721 -0.276 -0.476 -0.304 -1.405 -0.175 0.062 -0.930 -0.595 0.547 -0.622 1947 -0.916 0.284 -0.327 -0.674 -0.919 -0.023 0.700 0.496 0.639 -0.278 0.318 -0.308 1948 -0.419 0.007 -0.754 -0.974 -1.514 -1.397 -0.943 -0.675 -1.067 0.218 -0.547 -0.891 1949 -0.879 -0.419 0.209 -0.689 -0.122 -0.390 -0.302 -0.395 -0.128 0.253 -0.554 0.202 1950 -0.030 1.152 0.887 0.352 0.428 1.463 1.211 0.483 0.300 0.705 0.462 1.433 1951 1.520 0.553 -0.445 -0.353 -0.779 0.523 -0.808 -0.217 -0.567 -0.628 -0.313 -0.078 1952 -0.598 -0.397 -0.063 -0.786 0.601 0.394 0.016 -0.310 -0.730 0.198 -0.382 -0.829 1953 0.282 -0.452 -0.474 0.094 -2.800 -0.346 -0.051 -1.548 -1.313 0.429 0.028 -0.077 1954 0.755 0.078 0.084 0.632 0.423 0.134 0.589 1.053 0.323 0.286 0.212 1.321 1955 -0.559 1.439 0.622 -0.041 1.811 1.535 1.929 1.507 1.016 1.388 0.963 0.981 1956 1.048 1.123 0.995 0.972 1.830 0.834 1.128 0.747 -0.554 1.529 -0.544 0.479 1957 0.220 -0.123 0.114 0.204 -0.893 0.262 -0.434 -0.912 -1.565 -0.447 -1.839 -0.376 1958 -1.641 -0.427 -0.259 0.007 -0.534 -0.020 0.412 1.267 -0.341 -0.148 -0.649 -0.653 1959 -0.591 -1.002 0.654 0.102 0.253 -0.618 -0.709 -0.492 -0.201 0.443 0.462 0.537 1960 0.163 -0.046 0.549 0.515 0.147 -0.688 0.435 0.379 0.386 -0.234 0.110 0.318 1961 -0.300 0.610 -1.901 1.087 0.102 -0.076 0.097 0.098 -0.259 -0.442 0.737 1.127 1962 1.457 0.314 0.174 0.396 1.240 0.480 -0.141 0.337 0.215 0.854 -0.001 0.169 1963 0.768 0.375 0.795 0.150 0.373 -0.971 -0.250 -0.176 -0.927 -1.393 -1.196 -0.996 1964 -0.436 -0.210 0.694 1.168 -0.011 0.888 0.840 1.634 1.261 1.392 -0.071 0.009 1965 -0.342 0.220 0.502 -1.048 -0.016 -1.181 -3.038 -0.813 -1.346 -0.957 -2.241 0.083 1966 -0.912 -0.174 -0.973 -0.426 -0.891 0.205 -0.350 0.242 -0.642 -0.384 -0.305 -0.390 1967 1.217 1.145 0.742 -0.242 -0.292 0.803 -0.022 0.716 0.200 -0.246 -0.699 -0.713 1968 0.376 0.685 0.206 -0.008 1.490 1.153 0.665 -0.124 -0.627 -0.136 -0.608 0.332 1969 -0.953 -0.448 0.369 -0.516 -0.645 0.158 -1.016 -0.414 -1.315 -1.035 -0.146 0.287 1970 -1.092 -0.920 0.251 -0.103 0.417 0.985 -0.642 0.589 0.965 1.021 1.475 1.525 1971 0.219 1.404 2.242 2.022 0.866 0.319 -0.043 1.702 1.544 1.710 0.268 0.057 1972 0.114 0.752 0.412 -0.041 -1.508 -0.941 -2.082 -0.290 -0.941 -0.412 -0.381 -0.887 1973 -0.321 -0.996 0.391 0.108 0.134 1.115 0.480 1.165 1.177 0.967 2.658 1.346 1974 1.888 1.355 2.099 1.101 1.000 0.266 1.412 0.801 1.086 0.967 -0.147 -0.065 1975 -0.447 0.899 1.554 1.178 0.627 1.205 2.369 2.230 2.188 1.861 1.462 1.992 1976 1.184 1.328 1.562 0.252 -0.104 -0.114 -1.627 -0.994 -1.533 0.457 0.823 -0.337 1977 -0.151 0.866 -0.392 -0.527 -0.804 -1.043 -1.257 -0.734 -0.797 -0.841 -1.033 -0.743 1978 0.064 -1.692 0.346 -0.157 2.156 0.629 0.764 0.433 -0.019 -0.351 -0.205 0.122 1979 -0.268 0.896 0.162 -0.413 0.297 0.639 -1.178 -0.378 0.057 -0.197 -0.801 -0.937 1980 0.000 -0.012 -1.173 -2.250 -1.991 -2.090 -2.118 -0.865 -1.209 -0.451 -0.607 -0.250 1981 0.322 0.020 -1.210 0.015 1.162 1.329 1.328 0.700 0.504 -0.451 0.094 0.324 1982 0.799 0.014 0.395 -0.549 -0.931 -1.976 -2.619 -2.291 -2.054 -1.776 -2.752 -1.757 1983 -2.736 -2.397 -2.056 -0.941 0.627 -0.071 -0.486 0.057 1.042 0.494 -0.134 0.018 1984 0.194 0.595 -0.403 0.517 0.300 -0.351 0.373 0.696 0.322 -0.314 0.143 -0.057 1985 -0.412 1.002 0.268 0.872 0.307 -0.859 -0.331 1.062 -0.232 -0.338 -0.168 0.113 1986 0.906 -1.203 0.588 0.295 -0.216 1.263 0.315 -0.319 -0.572 0.727 -1.416 -1.169 1987 -0.668 -0.993 -1.114 -1.544 -1.478 -1.215 -1.693 -0.760 -1.030 -0.178 -0.113 -0.363 1988 -0.262 -0.416 0.228 0.042 1.120 0.616 1.630 1.979 2.193 1.809 1.850 1.050 1989 1.233 0.746 0.933 1.531 1.310 0.925 1.048 -0.237 0.527 0.806 -0.515 -0.559 1990 -0.158 -1.420 -0.593 0.196 1.730 0.226 0.498 -0.319 -0.810 -0.085 -0.557 -0.252 1991 0.394 0.139 -0.652 -0.888 -1.354 -0.045 -0.026 -0.354 -1.617 -1.112 -0.686 -1.726 1992 -2.407 -0.681 -1.960 -1.052 0.404 -0.796 -0.592 0.398 0.075 -1.342 -0.854 -0.663 1993 -0.912 -0.736 -0.171 -1.237 -0.530 -0.870 -0.865 -0.995 -0.602 -1.266 0.197 0.322 1994 -0.145 0.206 -0.622 -1.446 -0.745 -0.307 -1.461 -1.252 -1.479 -0.831 -0.365 -0.850 1995 -0.209 0.100 0.707 -1.138 -0.644 0.335 0.719 0.353 0.075 0.056 0.222 -0.473 1996 0.913 0.204 1.087 0.898 0.325 1.691 1.013 0.993 0.805 0.709 0.023 0.790 1997 0.324 1.219 -0.616 -0.872 -1.740 -1.828 -1.037 -1.779 -1.290 -1.476 -1.470 -0.749 1998 -1.950 -1.306 -2.156 -1.399 0.416 1.341 1.879 1.310 1.172 1.098 0.953 1.069 1999 1.343 0.637 1.030 1.698 0.290 0.096 0.416 0.054 -0.099 1.159 1.252 1.258 2000 0.318 1.148 1.267 1.529 0.431 -0.326 -0.463 0.696 0.975 0.982 1.943 0.603 2001 0.881 1.217 0.911 0.211 -0.748 0.288 -0.453 -0.473 0.088 -0.173 0.743 -0.884 2002 0.467 0.940 0.040 0.351 -0.538 -0.190 -0.590 -0.937 -0.473 -0.473 -0.371 -0.914 2003 0.020 -0.309 -0.147 0.101 -0.033 -0.670 0.682 0.177 -0.287 -0.205 -0.317 1.007 2004 -0.963 1.007 0.512 -0.947 1.641 -1.012 -0.620 -0.571 -0.468 -0.247 -1.057 -0.837 2005 0.235 -2.244 0.212 -0.691 -0.979 0.562 0.167 -0.340 0.277 1.208 -0.346 0.107 2006 1.546 0.383 1.858 1.276 -0.755 -0.225 -0.766 -0.944 -0.441 -1.207 0.422 -0.035 2007 -0.524 -0.058 0.393 0.241 0.191 1.044 -0.478 0.305 -0.065 1.042 1.102 1.589 2008 1.576 2.095 1.806 0.748 -0.285 0.874 0.380 1.382 1.414 1.547 1.639 1.374 2009 0.858 1.286 0.124 0.715 -0.178 -0.005 0.164 -0.119 -0.059 -1.599 -0.793 -0.731 2010 -0.985 -1.193 -0.658 1.467 0.899 0.153 1.867 1.526 2.106 1.439 1.331 2.395 2011 1.916 1.945 2.197 2.094 -0.247 0.188 1.031 0.343 1.084 1.022 1.379 2.231 2012 0.935 0.394 0.537 0.059 0.185 -0.530 -0.037 -0.175 0.395 0.508 0.499 -0.440 -999. http://www.esrl.noaa.gov/psd/data/20thC_Rean/timeseries/ SOI from 20CR using data from 1871-2011. redone 1/30 using monthly std instead of total std.