1871 2008 1871 -99.990 -99.990 0.043 0.119 0.197 0.287 0.251 0.279 0.265 0.175 0.141 0.112 1872 -0.117 -0.128 -0.162 -0.120 -0.049 0.237 0.329 0.405 0.480 0.640 0.581 0.476 1873 0.320 0.219 -0.046 -0.030 -0.004 0.122 0.039 0.167 0.087 -0.024 -0.136 -0.126 1874 -0.075 -0.097 0.163 0.220 0.292 0.207 0.385 0.426 0.747 0.949 1.057 0.947 1875 0.705 0.630 0.529 0.562 0.532 0.576 0.386 0.266 -0.023 -0.087 -0.206 -0.303 1876 -0.417 -0.274 -0.241 -0.271 -0.197 -0.046 0.104 0.359 0.707 0.832 0.816 0.550 1877 0.194 -0.169 -0.501 -0.943 -0.967 -0.927 -0.739 -0.424 0.124 0.413 0.599 0.619 1878 0.388 0.174 -0.111 -0.560 -0.760 -0.687 -0.615 -0.355 -0.085 0.080 0.096 0.110 1879 -0.104 -0.038 -0.041 0.180 0.479 0.791 0.921 1.132 1.226 1.276 1.196 1.282 1880 1.032 0.769 0.562 0.509 0.471 0.655 0.882 0.982 1.065 0.850 0.573 0.200 1881 -0.266 -0.657 -0.800 -0.886 -0.819 -0.752 -0.618 -0.361 -0.110 -0.070 0.042 0.150 1882 0.010 -0.216 -0.391 -0.632 -0.881 -1.213 -1.162 -0.967 -0.596 -0.314 -0.161 -0.300 1883 -0.564 -0.714 -0.668 -0.408 -0.355 -0.301 -0.299 -0.257 -0.189 -0.076 0.059 0.039 1884 -0.029 -0.059 -0.127 -0.027 -0.134 -0.316 -0.485 -0.374 -0.274 0.131 0.408 0.522 1885 0.289 0.027 -0.551 -1.025 -1.287 -1.293 -1.368 -1.210 -1.013 -0.954 -1.124 -1.346 1886 -1.628 -1.765 -1.713 -1.487 -1.135 -0.693 -0.247 0.070 0.506 0.842 0.950 0.721 1887 0.479 0.320 0.183 0.192 0.311 0.415 0.389 0.272 0.233 0.252 0.319 0.138 1888 0.014 0.078 0.129 0.274 0.326 0.315 0.750 0.815 0.610 0.705 0.869 0.367 1889 0.178 0.213 0.112 0.034 0.013 -0.047 -0.143 0.082 0.327 0.782 1.589 2.200 1890 2.219 2.082 1.702 1.012 0.462 0.587 0.818 1.015 1.135 1.172 0.956 0.700 1891 0.503 0.483 0.655 0.764 0.928 0.936 0.728 0.387 0.111 -0.138 -0.072 -0.011 1892 0.056 0.188 0.123 -0.129 -0.196 -0.243 -0.282 -0.025 0.289 0.320 0.251 0.208 1893 0.132 0.171 0.447 0.774 1.121 1.352 1.481 1.689 2.027 2.073 2.183 2.270 1894 2.115 1.866 1.756 1.557 1.345 1.226 1.252 1.257 1.234 1.142 1.127 0.868 1895 0.513 0.328 0.223 0.043 0.016 0.031 -0.003 0.176 0.312 0.439 0.710 0.870 1896 0.632 0.588 0.576 0.649 0.485 0.536 0.504 0.367 0.272 0.436 0.411 0.387 1897 0.517 0.515 0.492 0.514 0.404 0.200 -0.124 -0.127 0.027 0.219 0.463 0.707 1898 0.626 0.378 0.167 -0.136 -0.085 0.124 0.108 0.323 0.729 0.953 1.155 1.558 1899 1.742 1.673 1.400 1.130 0.703 0.613 0.763 0.728 0.475 0.356 0.168 -0.051 1900 0.021 0.164 0.411 0.424 0.163 -0.196 -0.497 -0.776 -0.963 -1.139 -1.276 -1.207 1901 -1.221 -1.285 -1.292 -1.198 -1.287 -1.252 -1.105 -0.718 -0.130 0.424 1.004 1.315 1902 1.603 1.296 0.942 0.635 0.436 0.022 -0.083 0.122 0.185 0.072 -0.107 -0.596 1903 -1.285 -1.789 -1.937 -1.972 -1.627 -1.523 -1.454 -1.428 -1.164 -0.919 -0.044 0.381 1904 0.470 0.367 0.589 0.076 -0.042 0.223 0.428 0.204 0.584 0.465 0.218 -0.208 1905 -0.360 -0.871 -0.554 -0.245 -0.017 0.117 -0.029 -0.268 -0.317 -0.453 -0.493 -0.260 1906 -0.698 -1.179 -1.013 -1.117 -1.421 -1.482 -1.332 -1.297 -1.289 -0.905 -0.310 -0.032 1907 -0.035 0.081 -0.120 -0.324 -0.760 -1.138 -1.208 -1.068 -1.000 -0.812 -0.320 -0.210 1908 -0.027 -0.175 -0.301 -0.254 -0.378 -0.554 -0.525 -0.229 -0.334 -0.113 0.187 0.442 1909 0.490 0.419 0.019 -0.361 -0.497 -0.662 -0.772 -0.352 -0.017 0.219 0.378 0.642 1910 0.591 0.673 0.670 0.668 0.632 0.649 0.628 0.656 0.690 0.640 0.612 0.465 1911 0.351 0.281 0.235 0.320 0.389 0.913 1.380 1.849 1.947 2.169 1.681 1.217 1912 0.675 0.386 0.079 -0.058 -0.434 -0.397 -0.377 -0.457 -0.509 -0.124 0.191 0.228 1913 -0.009 -0.186 -0.373 -0.556 -0.465 0.072 0.502 1.047 1.225 1.432 1.347 1.083 1914 0.680 0.087 -0.388 -0.682 -0.546 -0.626 -0.135 0.283 0.564 0.739 0.839 0.630 1915 0.273 0.154 0.124 0.230 0.224 0.168 -0.122 -0.518 -0.789 -0.930 -0.908 -0.931 1916 -0.945 -1.098 -1.368 -1.725 -1.837 -1.765 -1.594 -1.238 -0.764 -0.284 0.034 0.109 1917 0.190 0.393 0.488 0.454 0.770 0.964 0.851 0.600 0.583 0.257 0.153 0.217 1918 0.397 0.691 1.231 1.640 2.022 2.236 2.118 1.871 1.632 1.270 0.856 0.481 1919 -0.048 -0.391 -0.598 -0.589 -0.551 -0.491 -0.399 -0.254 -0.096 -0.013 0.414 0.609 1920 0.469 0.408 0.403 -0.103 -0.864 -1.138 -1.528 -2.083 -1.780 -0.980 -0.714 -0.282 1921 0.510 0.392 0.309 0.322 0.089 -0.495 -0.662 -0.852 -0.662 -0.633 -0.331 0.054 1922 -0.015 -0.091 -0.150 -0.326 -0.837 -0.953 -1.309 -1.244 -1.327 -0.949 -0.570 -0.131 1923 -0.145 0.259 0.286 0.357 0.440 0.423 0.162 -0.113 -0.565 -0.945 -1.062 -1.128 1924 -1.338 -1.318 -1.429 -1.471 -1.433 -1.011 -0.839 -0.530 -0.051 0.075 0.398 1.018 1925 1.436 1.662 1.950 2.161 1.737 1.360 0.958 0.781 0.276 0.157 0.206 0.068 1926 -0.144 -0.107 -0.303 -0.721 -0.694 -0.787 -0.994 -0.738 -0.375 -0.185 0.103 0.305 1927 0.297 0.104 0.075 -0.101 -0.298 -0.512 -0.483 -0.716 -0.534 -0.500 -0.589 -0.651 1928 -0.530 -0.680 -0.671 -0.706 -0.847 -1.014 -1.133 -1.146 -1.075 -0.901 -0.739 -0.496 1929 -0.322 0.077 0.318 0.349 0.146 0.027 -0.181 -0.450 -0.572 -0.684 -0.980 -1.237 1930 -1.359 -1.256 -0.903 -0.513 -0.279 0.071 0.079 0.234 0.258 0.441 0.369 0.186 1931 -0.106 -0.167 -0.604 -1.030 -1.049 -1.277 -1.262 -0.864 -0.542 -0.248 0.402 0.846 1932 0.885 1.131 1.412 1.375 1.273 1.213 0.982 0.674 0.285 0.081 -0.131 0.089 1933 0.112 0.200 0.083 0.357 0.054 0.057 0.177 0.492 0.614 1.088 1.391 1.484 1934 1.619 1.632 1.576 1.473 1.221 1.120 1.084 0.853 0.518 0.406 -0.024 -0.683 1935 -0.747 -0.368 0.034 0.141 0.469 0.365 0.086 -0.305 -0.317 -0.140 -0.177 -0.221 1936 -0.174 -0.230 -0.477 -0.438 -0.487 -0.523 -0.439 -0.263 -0.077 -0.308 -0.092 -0.200 1937 -0.671 -0.740 -0.660 -0.899 -1.025 -0.747 -0.818 -0.742 -0.945 -0.843 -0.866 -0.978 1938 -1.048 -1.030 -0.768 -0.765 -1.057 -0.952 -0.730 -0.627 -0.323 0.074 0.328 0.667 1939 0.484 0.375 0.610 0.567 0.223 0.195 -0.279 -0.156 -0.275 -0.282 -0.425 -0.134 1940 -0.665 -0.764 -0.751 -0.840 -0.908 -0.745 -0.703 -0.700 -0.758 -0.819 -0.945 -0.885 1941 -0.842 -0.677 -0.515 -0.580 -0.937 -1.001 -0.975 -0.923 -0.640 -0.262 -0.167 -0.245 1942 -0.352 -0.798 -0.900 -1.148 -1.358 -1.463 -1.127 -1.063 -0.754 -0.174 0.712 1.215 1943 1.360 1.543 1.446 0.928 0.612 0.451 0.164 0.278 0.287 0.294 0.244 0.399 1944 0.198 0.170 -0.003 0.094 -0.114 -0.228 -0.282 -0.266 -0.459 -0.554 -0.593 -0.305 1945 -0.052 0.431 1.050 1.401 1.281 1.365 1.438 1.444 1.509 1.586 1.325 0.721 1946 0.125 -0.241 -0.560 -1.094 -1.174 -1.262 -1.382 -1.469 -1.132 -1.117 -0.957 -0.846 1947 -0.846 -0.689 -0.536 -0.927 -1.092 -1.101 -0.896 -0.508 0.361 0.567 0.664 0.726 1948 0.454 0.047 -0.135 -0.469 -0.950 -1.004 -1.109 -0.910 -0.415 -0.312 -0.354 -0.304 1949 0.018 0.049 0.251 0.556 0.440 -0.130 -0.232 -0.457 -0.497 -0.087 0.119 0.283 1950 0.624 0.445 0.382 0.311 0.124 0.213 0.293 0.316 0.564 0.690 0.993 1.239 1951 1.315 1.461 1.590 1.457 1.615 1.627 1.521 1.493 1.255 0.799 0.492 0.294 1952 0.168 -0.293 -0.368 -0.374 -0.567 -0.718 -0.702 -0.703 -0.704 -0.449 -0.566 -0.167 1953 -0.027 0.150 0.325 0.550 0.428 0.532 0.409 0.196 0.121 0.128 -0.426 -0.537 1954 -0.655 -1.250 -1.788 -1.702 -1.839 -1.800 -1.338 -0.982 -0.607 -0.464 -0.189 0.081 1955 0.316 0.489 0.619 0.358 0.399 0.319 0.045 0.147 0.346 0.411 0.545 0.840 1956 1.092 1.119 0.977 0.993 0.983 0.723 0.707 0.767 0.661 0.341 -0.035 -0.111 1957 0.090 0.260 0.651 1.410 1.734 1.620 1.607 1.414 0.985 0.631 0.137 -0.270 1958 -0.639 -0.523 -0.566 -0.258 -0.005 -0.042 -0.231 -0.244 -0.337 -0.593 -0.503 -0.599 1959 -0.468 -0.319 -0.130 0.102 0.094 -0.246 -0.387 -0.384 -0.307 -0.109 0.184 0.363 1960 0.438 0.095 -0.051 -0.262 -0.521 -0.602 -0.409 -0.493 -0.487 -0.507 -0.357 -0.076 1961 0.146 0.325 0.468 0.230 -0.237 -0.396 -0.583 -0.489 -0.312 0.059 0.371 0.618 1962 0.329 -0.102 -0.282 -0.710 -0.999 -0.853 -0.498 -0.610 -0.537 -0.482 -0.321 -0.306 1963 -0.127 -0.111 0.063 0.003 -0.100 -0.251 -0.173 -0.367 -0.625 -0.722 -0.930 -1.273 1964 -1.342 -1.304 -1.543 -1.424 -1.178 -0.993 -0.526 0.019 0.473 0.781 0.909 0.879 1965 1.119 1.393 1.838 2.175 2.209 2.019 1.484 0.758 0.214 -0.107 -0.336 -0.560 1966 -1.127 -1.485 -1.806 -2.177 -2.362 -2.009 -1.867 -1.699 -1.408 -1.178 -0.774 -0.224 1967 -0.079 -0.022 -0.140 -0.461 -0.974 -1.254 -1.449 -1.543 -1.674 -1.722 -1.619 -1.545 1968 -1.335 -1.172 -1.108 -1.245 -1.197 -1.070 -0.690 -0.534 -0.441 -0.398 -0.785 -1.508 1969 -1.509 -1.156 -0.713 0.053 0.623 0.491 0.191 -0.100 -0.463 -0.500 -0.302 -0.348 1970 -0.773 -1.024 -1.386 -1.722 -1.993 -1.865 -1.723 -1.283 -0.958 -0.276 0.231 0.454 1971 0.566 0.862 0.691 0.400 0.397 0.211 0.100 0.097 0.145 0.087 0.221 0.259 1972 0.447 0.575 0.661 0.851 1.134 1.520 1.659 1.642 1.481 1.186 0.600 0.122 1973 -0.294 -0.675 -1.108 -1.220 -1.119 -0.855 -0.561 -0.038 0.501 1.149 1.717 1.970 1974 2.145 2.129 1.962 1.728 1.702 1.502 1.229 0.890 0.825 0.636 0.479 0.361 1975 0.600 0.749 0.855 0.949 1.337 1.461 1.503 1.734 1.933 1.983 1.946 1.908 1976 1.725 1.727 1.697 1.813 2.058 2.354 2.206 1.881 1.352 0.809 0.303 0.066 1977 -0.164 -0.266 -0.445 -0.657 -0.907 -1.185 -1.527 -1.733 -1.947 -2.106 -1.913 -1.636 1978 -1.571 -1.284 -1.000 -0.984 -0.905 -0.786 -0.732 -0.616 -0.349 -0.085 0.022 -0.188 1979 -0.343 -0.309 -0.347 -0.187 0.067 0.333 0.440 0.462 0.302 0.007 -0.285 -0.758 1980 -1.073 -1.201 -1.039 -0.996 -1.039 -1.038 -1.018 -1.135 -1.284 -1.290 -1.393 -1.425 1981 -1.350 -1.094 -0.835 -0.558 -0.496 -0.464 -0.533 -0.605 -0.708 -0.562 -0.511 -0.543 1982 -0.848 -1.192 -1.648 -2.085 -2.090 -1.650 -1.144 -0.536 0.470 1.256 1.714 1.957 1983 2.097 2.265 2.557 3.204 4.008 4.501 4.417 4.141 3.457 2.736 2.088 1.686 1984 1.354 1.182 0.877 0.643 0.422 0.092 -0.242 -0.262 -0.002 0.460 0.482 0.529 1985 0.641 0.421 -0.232 -0.298 -0.488 -0.970 -1.178 -1.063 -1.225 -1.104 -0.675 -0.349 1986 -0.290 -0.183 -0.241 -0.694 -1.121 -1.255 -1.453 -1.586 -1.495 -1.414 -1.341 -1.047 1987 -0.706 -0.310 0.054 0.082 -0.015 -0.223 -0.560 -0.734 -0.916 -1.009 -1.191 -1.292 1988 -1.444 -1.283 -1.076 -0.955 -0.742 -0.636 -0.497 -0.173 0.548 1.149 1.888 2.636 1989 2.903 2.852 2.313 1.710 0.932 0.377 -0.126 -0.146 -0.130 -0.285 -0.565 -0.745 1990 -1.040 -1.373 -1.360 -1.299 -1.439 -1.536 -1.606 -1.891 -2.125 -2.106 -2.163 -2.083 1991 -1.835 -1.816 -1.728 -1.519 -1.492 -1.569 -1.397 -1.432 -1.381 -1.383 -1.390 -1.351 1992 -1.089 -0.670 -0.206 -0.004 -0.088 -0.289 -0.718 -1.002 -1.043 -0.945 -0.872 -0.604 1993 -0.545 -0.394 -0.143 0.007 -0.207 -0.355 -0.579 -0.754 -0.912 -0.896 -0.888 -0.730 1994 -0.929 -1.125 -1.337 -1.573 -2.065 -2.476 -2.525 -2.335 -2.226 -1.920 -1.383 -1.219 1995 -1.451 -1.637 -1.916 -2.022 -1.988 -1.729 -1.259 -0.732 -0.294 -0.067 0.086 0.247 1996 0.311 -0.099 -0.326 -0.636 -1.250 -1.710 -1.745 -1.687 -1.615 -1.456 -1.387 -1.231 1997 -1.070 -0.875 -0.264 0.571 1.329 2.057 2.785 3.107 3.218 3.364 3.311 3.133 1998 2.991 3.144 3.319 3.258 3.438 3.484 3.036 2.724 2.643 2.537 2.499 2.750 1999 2.725 2.369 1.974 1.412 0.723 0.174 -0.037 -0.095 0.074 0.426 0.752 1.339 2000 1.726 2.101 2.132 1.769 1.057 0.444 -0.190 -0.432 -0.524 -0.103 0.177 0.636 2001 1.060 1.524 1.128 0.513 -0.294 -1.229 -2.178 -2.571 -2.584 -2.363 -2.400 -2.095 2002 -1.505 -1.068 -1.013 -1.051 -1.389 -2.061 -2.596 -2.727 -2.603 -2.272 -2.139 -2.037 2003 -2.249 -2.370 -2.636 -2.721 -2.766 -2.621 -2.449 -2.138 -1.807 -1.464 -1.322 -1.248 2004 -1.325 -1.297 -1.639 -1.998 -2.363 -2.725 -3.101 -2.979 -2.719 -2.457 -2.231 -2.119 2005 -2.324 -2.331 -2.133 -2.109 -2.010 -1.623 -1.611 -1.850 -1.725 -1.394 -0.990 -0.201 2006 0.425 0.341 0.176 -0.326 -0.896 -1.227 -1.014 -0.813 -0.716 -0.857 -0.910 -0.929 2007 -1.319 -1.559 -1.748 -2.067 -2.381 -2.423 -2.290 -2.031 -1.590 -1.017 -0.027 1.124 2008 2.111 2.678 2.946 2.768 2.289 1.887 -99.990 -99.990 -99.990 -99.990 -99.990 -99.990 -99.99 TNI Nina 1.2-Nini4 standardized HadSST1.1 until Nov 1981 and and NCEP NOAA OI after Reference: Indices of El Nino Evolution Kevin E. Trenberth, and David P. Stepaniak J. Climate, 14, 1697-1701. From NOAA/ESRL PSD: See url for latest info http://www.cdc.noaa.gov/Pressure/Timeseries/TNI/