1950 -1.027 -1.149 -1.298 -1.081 -1.427 -1.391 -1.309 -1.061 -0.584 -0.402 -1.157 -1.25 1951 -1.071 -1.199 -1.212 -0.447 -0.321 0.376 0.659 0.847 0.769 0.743 0.722 0.466 1952 0.403 0.12 0.058 0.236 -0.315 -0.684 -0.306 -0.174 0.357 0.304 -0.347 -0.129 1953 0.016 0.375 0.244 0.707 0.788 0.198 0.36 0.248 0.52 0.091 0.048 0.311 1954 -0.054 -0.022 0.181 -0.514 -1.452 -1.558 -1.377 -1.467 -1.157 -1.374 -1.144 -1.106 1955 -0.772 -0.708 -1.15 -1.585 -1.646 -2.272 -2.007 -2.05 -1.831 -1.748 -1.834 -1.863 1956 -1.439 -1.3 -1.402 -1.164 -1.312 -1.505 -1.265 -1.134 -1.364 -1.464 -1.041 -1.021 1957 -0.949 -0.348 0.163 0.349 0.881 0.745 0.902 1.122 1.179 1.097 1.129 1.231 1958 1.472 1.453 1.325 1.038 0.716 0.878 0.687 0.428 0.178 0.208 0.486 0.707 1959 0.578 0.807 0.501 0.236 0.025 -0.012 -0.142 0.069 0.055 -0.082 -0.18 -0.263 1960 -0.31 -0.268 -0.083 0.011 -0.345 -0.263 -0.349 -0.254 -0.476 -0.364 -0.338 -0.432 1961 -0.152 -0.27 -0.093 0.013 -0.28 -0.115 -0.23 -0.242 -0.268 -0.513 -0.435 -0.643 1962 -1.091 -0.985 -0.712 -1.03 -0.914 -0.861 -0.713 -0.545 -0.547 -0.657 -0.6 -0.48 1963 -0.7 -0.823 -0.682 -0.791 -0.465 -0.088 0.39 0.626 0.764 0.832 0.859 0.748 1964 0.855 0.439 -0.299 -0.611 -1.25 -1.12 -1.414 -1.5 -1.291 -1.209 -1.202 -0.913 1965 -0.526 -0.324 -0.254 0.083 0.51 0.919 1.356 1.477 1.405 1.22 1.367 1.256 1966 1.308 1.183 0.687 0.542 -0.157 -0.157 -0.142 0.165 -0.091 -0.015 0.026 -0.181 1967 -0.473 -0.944 -1.073 -1.052 -0.442 -0.251 -0.517 -0.427 -0.634 -0.679 -0.421 -0.366 1968 -0.593 -0.684 -0.592 -0.949 -1.093 -0.794 -0.535 -0.121 0.233 0.425 0.603 0.359 1969 0.69 0.867 0.447 0.628 0.706 0.816 0.462 0.158 0.161 0.504 0.653 0.383 1970 0.361 0.41 0.215 -0.062 -0.142 -0.674 -1.086 -1.042 -1.245 -1.103 -1.09 -1.248 1971 -1.224 -1.518 -1.812 -1.902 -1.432 -1.441 -1.217 -1.234 -1.462 -1.421 -1.313 -1.011 1972 -0.594 -0.417 -0.251 -0.195 0.5 1.106 1.826 1.823 1.512 1.626 1.722 1.745 1973 1.704 1.473 0.829 0.467 -0.141 -0.803 -1.085 -1.37 -1.743 -1.692 -1.519 -1.87 1974 -1.942 -1.79 -1.756 -1.675 -1.051 -0.649 -0.758 -0.629 -0.617 -1.05 -1.255 -0.931 1975 -0.566 -0.613 -0.894 -0.99 -0.867 -1.14 -1.51 -1.731 -1.874 -2 -1.793 -1.757 1976 -1.625 -1.404 -1.255 -1.189 -0.463 0.331 0.624 0.668 1.024 0.947 0.48 0.552 1977 0.518 0.258 0.091 0.544 0.305 0.444 0.865 0.689 0.812 1.006 0.974 0.879 1978 0.779 0.904 0.964 0.177 -0.394 -0.585 -0.44 -0.193 -0.386 -0.023 0.197 0.399 1979 0.596 0.354 -0.021 0.278 0.374 0.397 0.372 0.644 0.769 0.64 0.737 1.016 1980 0.698 0.611 0.685 0.914 0.95 0.891 0.759 0.341 0.284 0.208 0.238 0.118 1981 -0.243 -0.153 0.453 0.646 0.14 -0.03 -0.046 -0.082 0.179 0.091 -0.051 -0.148 1982 -0.278 -0.138 0.102 -0.013 0.432 0.965 1.614 1.827 1.797 2.021 2.447 2.411 1983 2.687 2.903 3.024 2.835 2.537 2.201 1.767 1.137 0.439 0.003 -0.171 -0.172 1984 -0.338 -0.563 0.126 0.3 0.106 -0.081 -0.086 -0.185 -0.084 0.017 -0.348 -0.611 1985 -0.557 -0.605 -0.742 -0.477 -0.718 -0.098 -0.143 -0.398 -0.537 -0.139 -0.053 -0.289 1986 -0.302 -0.176 0.055 -0.152 0.35 0.313 0.387 0.811 1.157 0.994 0.867 1.181 1987 1.237 1.184 1.727 1.867 2.14 1.954 1.855 1.956 1.84 1.612 1.252 1.253 1988 1.093 0.661 0.45 0.304 0.081 -0.649 -1.12 -1.378 -1.574 -1.342 -1.463 -1.339 1989 -1.165 -1.323 -1.052 -0.849 -0.44 -0.239 -0.439 -0.494 -0.28 -0.312 -0.061 0.145 1990 0.234 0.524 0.918 0.403 0.638 0.491 0.133 0.126 0.376 0.247 0.378 0.339 1991 0.312 0.32 0.409 0.471 0.747 1.118 1.024 1.01 0.738 1.02 1.203 1.318 1992 1.749 1.87 1.987 2.269 2.148 1.762 1.022 0.536 0.508 0.672 0.603 0.642 1993 0.701 1.005 0.994 1.408 1.994 1.556 1.168 1.006 0.987 1.06 0.826 0.565 1994 0.34 0.194 0.168 0.45 0.557 0.808 0.889 0.742 0.886 1.434 1.28 1.184 1995 1.198 0.974 0.883 0.437 0.523 0.489 0.191 -0.198 -0.456 -0.478 -0.486 -0.553 1996 -0.64 -0.587 -0.243 -0.495 -0.13 0.053 -0.197 -0.399 -0.495 -0.381 -0.155 -0.337 1997 -0.485 -0.602 -0.244 0.537 1.17 2.339 2.826 3.004 3.005 2.363 2.527 2.326 1998 2.481 2.774 2.728 2.632 2.164 1.239 0.346 -0.417 -0.655 -0.844 -1.165 -1.01 1999 -1.151 -1.247 -1.087 -1.053 -0.66 -0.365 -0.486 -0.779 -0.997 -1.007 -1.072 -1.205 2000 -1.195 -1.252 -1.151 -0.548 0.16 -0.04 -0.169 -0.143 -0.243 -0.381 -0.75 -0.582 2001 -0.539 -0.725 -0.615 -0.156 0.221 0.032 0.292 0.364 -0.124 -0.273 -0.176 0.005 2002 -0.049 -0.21 -0.196 0.356 0.843 0.948 0.684 0.928 0.813 0.955 1.063 1.114 2003 1.185 0.933 0.828 0.325 0.088 0.089 0.165 0.246 0.442 0.515 0.528 0.319 2004 0.31 0.333 -0.117 0.243 0.518 0.283 0.527 0.671 0.526 0.476 0.795 0.647 2005 0.302 0.804 1.032 0.589 0.801 0.519 0.508 0.319 0.262 -0.164 -0.4 -0.583 2006 -0.469 -0.463 -0.584 -0.689 -0.004 0.592 0.669 0.76 0.802 0.899 1.299 0.953 2007 0.972 0.505 0.074 -0.053 0.226 -0.221 -0.246 -0.448 -1.152 -1.133 -1.165 -1.164 2008 -1.009 -1.408 -1.645 -0.964 -0.352 0.16 0.073 -0.262 -0.631 -0.77 -0.605 -0.66 2009 -0.752 -0.728 -0.726 -0.156 0.366 0.894 1.001 0.957 0.77 1.025 1.066 1.013 2010 1.153 1.524 1.385 0.894 0.62 -0.269 -1.073 -1.808 -2.019 -1.943 -1.588 -1.574 2011 -1.677 -1.563 -1.56 -1.478 -0.273 -0.048 -0.05 -0.462 -0.753 -0.956 -0.965 -0.976 2012 -1.045 -0.711 -0.432 0.052 0.739 0.936 1.168 0.575 0.278 0.112 0.176 0.041 2013 0.041 -0.173 -0.181 0.002 0.116 -0.181 -0.373 -0.586 -0.175 0.102 -0.08 -0.3 2014 -0.312 -0.258 0.012 0.193 0.967 0.997 0.923 0.858 0.5 0.36 0.712 0.578 2015 0.406 0.468 0.65 0.953 1.567 2.06 1.972 -999 -999 -999 -999 -999 -999 MEI timeseries Info at http://www.esrl.noaa.gov/psd/data/climateindices/Link/ http://www.esrl.noaa.gov/psd/data/correlation/mei.data