1854 2020 1854 0.221 0.031 -0.222 -0.160 -0.064 -0.198 -0.558 -0.911 -0.621 -0.623 -0.649 -0.248 1855 0.272 0.566 0.396 -0.010 -0.300 -0.497 -0.441 -0.162 0.618 0.506 0.576 0.691 1856 1.048 0.466 0.327 -0.305 -0.521 -0.780 -0.556 -0.321 -0.181 -0.280 -0.616 -0.934 1857 -0.977 -0.588 -0.626 -0.708 -0.096 0.321 0.286 0.354 -0.089 -0.012 -0.033 0.098 1858 0.057 0.159 -0.105 0.107 0.277 0.050 -0.087 0.011 0.049 0.094 -0.232 -0.098 1859 -0.340 0.014 -0.425 -0.703 -0.525 -0.248 -0.013 -0.486 -0.725 -0.653 -0.612 -0.589 1860 -0.603 -0.208 -0.621 -0.781 -0.703 -0.667 -0.446 -0.282 0.274 -0.253 -0.267 -0.156 1861 -0.071 -0.176 -0.071 -0.566 -0.372 -0.140 -0.109 -0.095 -0.328 -0.417 -0.236 -0.201 1862 -0.087 -0.138 -0.135 -0.146 -0.166 -0.182 -0.190 -0.266 -0.278 -0.311 0.031 0.168 1863 -0.336 -0.448 -0.465 -0.385 -0.329 -0.312 -0.334 -0.218 -0.109 -0.080 -0.143 -0.467 1864 -0.246 -0.264 -0.433 -0.547 -0.363 -0.162 0.037 0.030 0.192 0.615 0.169 -0.220 1865 0.183 0.198 0.195 0.096 0.067 0.022 -0.008 -0.032 -0.090 -0.086 -0.350 0.149 1866 -0.279 -0.615 -0.943 -0.992 -0.140 -0.179 -0.219 -0.252 -0.087 -0.269 -0.409 -0.236 1867 -0.306 -0.397 -0.385 -0.179 -0.098 -0.115 -0.151 -0.256 -0.503 -0.439 -0.523 -0.251 1868 -0.115 -0.081 -0.075 -0.098 -0.349 -0.129 -0.179 0.110 0.725 0.810 0.684 0.261 1869 0.242 0.239 0.291 0.406 0.367 0.170 0.261 -0.750 -0.848 -0.926 -0.897 -1.331 1870 -0.894 -1.269 -1.095 -0.955 -1.190 -1.281 -1.139 -0.958 -0.896 -1.143 -1.425 -1.177 1871 -0.648 -0.482 -0.407 -0.317 -0.328 -0.133 -0.338 -0.092 -0.309 -0.838 -0.772 -0.628 1872 -0.602 -0.558 -0.591 -0.837 -0.901 -0.546 -0.064 -0.629 -0.594 -0.887 -1.464 -1.969 1873 -1.887 -2.091 -2.114 -1.763 -1.367 -1.002 -0.680 -0.828 -0.925 -0.844 -0.789 -0.828 1874 -0.801 -1.187 -1.182 -1.098 -0.700 -1.062 -0.984 -0.887 -0.723 -0.763 -0.780 -1.246 1875 -1.041 -0.624 -0.621 -0.818 -0.939 -0.974 -0.966 -0.953 -1.173 -1.339 -1.302 -1.219 1876 -1.655 -1.632 -1.468 -1.396 -1.355 -0.863 -1.204 -0.954 -0.639 -0.208 -0.393 -0.252 1877 -0.462 -0.358 -0.248 -0.420 -0.432 -0.396 0.068 1.067 1.316 1.373 1.114 1.635 1878 1.524 1.698 1.140 1.238 0.863 0.276 0.180 0.217 -0.405 -0.713 -0.592 -0.408 1879 -0.408 -0.737 -0.885 -0.881 -1.133 -1.171 -1.092 -0.809 -1.085 -1.710 -1.656 -1.416 1880 -1.043 -0.649 -0.711 -1.185 -1.129 -0.733 -0.188 -0.120 0.161 0.569 0.884 0.514 1881 0.740 0.408 0.250 0.188 0.207 -0.002 -0.600 -0.533 0.190 0.136 -0.110 -0.501 1882 -0.794 -1.014 -0.724 -0.550 -0.368 -0.931 -1.262 -0.723 -0.707 -0.554 -0.712 -0.304 1883 -0.643 -0.722 -0.712 -0.588 -0.474 -0.190 -0.399 -0.504 -0.492 -0.331 0.020 -0.345 1884 -0.386 -0.556 -0.416 -0.156 0.219 0.224 0.282 0.322 0.593 0.623 0.869 0.915 1885 1.287 0.564 0.562 0.532 0.659 0.292 0.170 0.403 0.791 1.043 0.980 0.773 1886 0.461 0.041 -0.209 -0.007 -0.545 -0.940 -0.664 -0.772 -0.683 -1.024 -1.270 -1.254 1887 -1.358 -1.312 -1.098 -0.861 -0.723 -0.743 -0.238 -0.161 -0.291 0.177 0.226 0.296 1888 0.669 0.998 1.038 0.874 0.603 0.708 0.644 0.642 1.205 1.449 1.658 1.807 1889 1.730 1.312 0.780 0.908 0.591 0.312 -0.846 -0.889 -0.853 -1.087 -0.842 -0.795 1890 -0.997 -1.102 -1.071 -0.781 -0.672 -0.914 -0.840 -0.769 -0.429 -0.783 -1.308 -0.755 1891 -0.427 -0.293 -0.136 0.388 0.281 0.121 0.112 -0.224 -0.461 -0.110 -0.001 -0.813 1892 -0.897 -0.491 -0.231 -0.843 -0.985 -1.279 -1.030 -1.423 -1.686 -2.049 -1.840 -1.830 1893 -1.274 -1.139 -1.423 -1.755 -2.026 -1.902 -1.430 -1.469 -1.455 -1.601 -1.490 -1.584 1894 -1.613 -1.710 -1.347 -1.242 -1.210 -1.004 -1.201 -1.063 -1.001 -1.408 -1.338 -1.157 1895 -0.719 -0.279 -0.301 -0.210 -0.222 -0.274 -0.303 -0.141 -0.185 -0.276 -0.692 -0.474 1896 -0.191 -0.226 -0.101 -0.049 -0.112 -0.386 -0.190 -0.031 0.908 0.854 1.062 1.315 1897 1.257 0.685 0.208 0.021 -0.019 0.275 0.381 -0.093 -0.095 -0.111 -0.430 -0.186 1898 -0.057 -0.318 -0.642 -0.463 -0.202 -0.480 -0.768 -0.572 -0.555 -0.498 -0.468 -0.786 1899 -0.778 -0.752 -0.629 0.017 -0.024 -0.078 0.314 0.612 0.809 0.838 1.494 1.548 1900 1.407 0.862 0.987 1.320 0.613 0.330 0.384 0.228 0.046 0.176 0.422 0.820 1901 0.697 0.338 0.251 -0.014 -0.296 -0.407 -0.497 -0.106 -0.032 0.045 0.256 0.369 1902 0.364 0.107 0.104 0.635 1.114 1.473 1.625 1.717 1.595 1.799 1.788 1.747 1903 1.464 1.146 0.781 0.357 0.405 0.223 -0.266 -0.376 -0.256 -0.279 -0.826 -0.920 1904 -0.722 -0.471 -0.030 0.087 0.258 0.094 0.289 0.818 1.251 0.976 1.047 1.130 1905 1.481 0.757 0.718 1.406 1.513 1.455 1.325 1.644 1.725 1.269 1.310 1.236 1906 1.236 0.740 0.365 0.028 0.240 -0.007 -0.043 -0.359 -0.372 -0.082 -0.200 -0.489 1907 -0.387 -0.608 -0.863 -0.538 0.038 0.063 0.228 0.552 0.472 0.618 0.519 0.386 1908 0.449 0.183 -0.131 -0.340 -0.419 -0.371 -0.301 -0.045 -0.125 -0.055 -0.179 -0.375 1909 -0.474 -0.369 -0.185 -0.375 -0.653 -0.633 -0.759 -0.950 -1.127 -1.013 -1.246 -1.686 1910 -1.638 -1.494 -1.656 -1.531 -0.989 -0.488 -0.532 -0.761 -1.161 -0.920 -0.842 -0.628 1911 -0.518 -0.628 -1.006 -0.804 -0.420 -0.134 0.414 0.247 0.062 0.152 0.285 0.732 1912 0.758 0.722 0.592 0.574 0.504 0.364 0.055 0.144 0.168 0.008 -0.078 0.098 1913 0.199 0.193 -0.098 -0.064 0.051 0.220 0.420 0.604 0.558 0.389 0.752 1.048 1914 1.027 0.695 0.686 0.642 0.805 0.474 0.725 0.811 0.979 0.970 0.934 0.742 1915 0.727 0.679 0.471 0.914 1.540 0.944 0.726 0.325 -0.126 -0.818 -1.129 -1.203 1916 -1.121 -1.254 -0.999 -0.764 -0.182 -0.760 -0.917 -1.258 -1.434 -1.791 -2.241 -2.160 1917 -2.307 -1.979 -1.783 -1.277 -1.061 -1.082 -1.284 -1.443 -1.515 -1.839 -1.617 -1.318 1918 -1.112 -0.458 -0.556 -0.383 -0.162 0.193 0.283 0.390 0.707 1.187 1.134 0.994 1919 1.069 0.672 -0.062 -1.000 0.057 0.238 0.210 0.472 0.727 0.334 0.239 0.616 1920 0.235 0.260 0.115 0.069 0.095 0.290 0.023 0.139 0.048 -0.410 -0.214 -0.494 1921 -0.532 -1.065 -1.429 -1.075 -0.504 -0.454 -0.265 -0.105 -0.168 0.039 0.225 0.037 1922 -0.070 -0.604 -0.573 -0.545 -0.438 -0.727 -0.727 -0.690 -0.924 -0.758 -0.842 -0.777 1923 -0.648 -0.701 -0.330 -0.034 0.060 -0.119 0.181 0.322 0.291 0.417 0.165 0.088 1924 -0.042 -0.375 -0.428 -0.575 -0.476 -0.694 -0.874 -1.046 -1.282 -1.214 -1.223 -0.921 1925 -0.946 -0.842 -0.505 -0.375 -0.411 -0.113 0.294 0.596 0.548 0.817 1.002 1.126 1926 1.033 1.119 1.171 1.131 1.116 0.640 0.657 0.551 0.058 -0.478 -0.252 0.023 1927 -0.202 -0.049 -0.232 -0.376 -0.237 -0.008 -0.255 -0.144 0.165 0.036 0.140 0.234 1928 0.426 0.249 0.087 0.158 0.239 0.155 -0.050 -0.088 -0.372 -0.376 -0.093 -0.180 1929 -0.372 -0.369 -0.262 -0.042 -0.111 0.017 0.116 0.194 0.293 0.280 0.237 0.616 1930 0.550 0.370 0.482 0.390 0.270 0.518 0.748 0.957 1.229 1.224 1.355 1.473 1931 1.258 1.140 0.974 1.099 0.871 0.708 0.779 0.405 0.138 -0.056 -0.340 -0.424 1932 -0.381 -0.273 0.035 0.429 0.447 0.375 0.448 0.355 -0.001 -0.134 -0.172 -0.141 1933 -0.313 -0.377 -0.466 -0.394 -0.356 -0.592 -0.934 -0.995 -1.153 -1.119 -1.051 -0.907 1934 -0.721 -0.502 -0.264 0.012 0.071 0.104 0.057 0.243 0.010 0.161 -0.018 -0.234 1935 -0.648 -0.673 -0.454 -0.322 -0.038 0.089 -0.044 0.115 0.192 0.238 0.122 0.098 1936 0.172 0.191 0.086 0.453 0.485 0.355 0.442 0.290 0.217 0.145 0.076 -0.289 1937 -0.360 -0.087 0.091 -0.195 0.010 0.433 -0.008 0.063 -0.071 -0.034 0.034 -0.256 1938 -0.587 -0.873 -0.984 -1.085 -1.115 -1.127 -1.260 -1.207 -0.954 -0.647 -0.828 -0.645 1939 -0.569 -0.683 -0.412 0.009 0.080 0.261 0.298 0.505 0.179 0.249 0.004 0.772 1940 1.548 1.504 1.523 1.223 1.103 1.228 0.945 1.170 1.171 1.047 1.500 1.790 1941 1.904 1.885 1.481 1.226 1.298 1.459 0.992 1.006 0.851 1.046 1.101 1.270 1942 1.078 0.558 0.373 0.202 -0.069 -0.143 -0.663 -0.957 -1.523 -1.364 -1.458 -1.600 1943 -1.693 -1.209 -0.967 -0.663 -0.362 -0.340 -0.362 -0.495 -0.773 -1.052 -0.927 -0.656 1944 -0.614 -0.277 -0.099 0.053 -0.312 -0.284 -0.177 -0.183 -0.474 -0.437 -0.512 -0.740 1945 -0.731 -0.759 -0.816 -0.681 -0.073 -0.062 -0.387 -0.402 -0.109 -0.173 0.266 0.259 1946 -0.089 0.045 0.229 0.418 0.236 -0.168 -0.406 -0.329 -0.117 -0.135 0.008 0.370 1947 0.470 0.643 0.481 -0.036 -0.462 0.228 0.082 -0.131 -0.344 -0.383 -0.564 -0.074 1948 -0.193 0.108 -0.722 0.047 0.057 -0.130 -0.340 -0.567 -0.710 -0.965 0.064 -0.577 1949 -0.608 -0.733 -0.489 -0.336 -0.499 -0.606 -0.639 -0.524 -0.870 -1.403 -1.444 -1.379 1950 -1.436 -1.434 -0.992 -1.121 -1.539 -1.141 -1.357 -1.132 -1.246 -1.219 -1.232 -1.075 1951 -0.879 -0.899 -0.609 -0.286 -0.060 -0.043 0.515 0.159 0.462 0.500 0.659 0.297 1952 -0.120 -0.138 -0.095 -0.006 -0.096 -0.429 -0.544 -0.527 -0.497 -0.553 -0.622 -0.434 1953 0.099 0.203 0.158 0.262 0.265 0.439 0.375 0.208 0.229 0.151 0.154 0.312 1954 0.030 -0.068 -0.295 -0.766 -0.683 -0.378 -0.541 -0.714 -1.009 -0.865 -0.556 -0.699 1955 -0.433 -0.664 -0.884 -1.139 -1.284 -1.220 -1.084 -1.103 -1.214 -2.074 -2.037 -1.704 1956 -1.240 -0.975 -1.045 -1.090 -1.141 -1.128 -0.981 -0.891 -0.950 -1.207 -1.298 -0.928 1957 -0.641 -0.325 0.112 0.211 0.325 0.630 0.606 0.557 0.750 0.938 1.038 1.034 1958 1.283 1.099 0.638 0.517 0.594 0.499 0.272 0.337 0.185 0.096 0.316 0.443 1959 0.373 0.214 0.035 0.216 0.023 0.036 -0.316 -0.231 -0.311 0.018 -0.052 -0.169 1960 -0.111 -0.209 -0.002 0.068 -0.117 -0.233 -0.461 -0.177 -0.352 -0.268 -0.310 -0.004 1961 0.155 0.223 -0.021 0.007 -0.297 -0.216 -0.645 -0.682 -0.885 -1.003 -0.573 -0.650 1962 -0.621 -0.534 -0.626 -0.681 -0.906 -1.022 -0.792 -0.506 -0.888 -0.853 -0.684 -0.587 1963 -0.378 -0.274 -0.031 0.113 -0.256 -0.303 0.038 0.295 0.494 0.550 0.573 0.712 1964 0.522 0.174 -0.255 -0.499 -0.947 -0.763 -0.789 -1.176 -1.048 -0.990 -0.855 -0.818 1965 -0.531 -0.137 0.109 0.261 0.564 0.592 0.621 1.052 1.059 1.214 1.294 1.146 1966 0.858 0.536 0.365 0.281 -0.053 0.151 0.199 0.178 -0.078 -0.076 0.055 -0.057 1967 -0.297 -0.387 -0.618 -0.367 -0.271 -0.166 -0.370 -0.734 -0.968 -0.879 -0.625 -0.555 1968 -0.747 -0.607 -0.696 -0.578 -0.762 -0.190 -0.015 -0.082 -0.017 0.254 0.478 0.719 1969 0.638 0.603 0.350 0.313 0.374 0.508 0.192 0.342 0.335 0.877 0.830 0.726 1970 0.431 0.355 0.018 -0.094 -0.379 -0.483 -0.919 -1.174 -1.079 -1.081 -1.106 -1.167 1971 -1.402 -1.292 -1.180 -1.041 -1.105 -1.231 -1.318 -1.216 -1.003 -1.132 -1.050 -1.042 1972 -0.498 -0.137 -0.084 0.158 0.149 0.426 0.555 0.881 0.859 1.091 1.137 1.401 1973 1.087 0.452 0.037 -0.469 -0.794 -0.878 -1.031 -1.226 -1.372 -1.545 -1.721 -1.788 1974 -1.673 -1.442 -1.007 -0.810 -0.838 -0.787 -0.608 -0.525 -0.723 -1.014 -0.909 -0.954 1975 -0.752 -0.550 -0.890 -0.826 -1.156 -1.178 -1.028 -1.212 -1.542 -1.661 -1.500 -1.601 1976 -1.525 -0.872 -0.728 -0.701 -0.360 -0.007 0.346 0.580 0.571 0.851 0.757 0.469 1977 0.645 0.535 0.262 -0.161 0.071 0.338 0.353 0.221 0.256 0.455 0.585 0.599 1978 0.660 0.362 0.254 -0.080 -0.126 -0.345 -0.498 -0.563 -0.428 -0.023 0.134 0.038 1979 -0.078 -0.283 -0.185 0.161 0.296 0.218 0.116 0.039 0.369 0.362 0.435 0.386 1980 0.428 0.339 0.217 0.472 0.587 0.291 0.218 0.116 0.109 0.210 0.287 0.352 1981 0.059 -0.157 -0.151 -0.167 -0.175 -0.147 -0.289 -0.222 -0.049 0.104 0.198 0.108 1982 0.075 0.162 0.160 0.340 0.423 0.676 0.764 0.904 1.423 1.742 1.662 1.811 1983 1.843 1.732 1.570 1.276 1.290 1.349 1.208 0.907 0.294 -0.096 -0.354 -0.002 1984 0.098 0.140 0.072 -0.117 -0.340 -0.465 -0.431 -0.215 -0.187 -0.086 -0.436 -0.754 1985 -0.630 -0.549 -0.612 -0.638 -0.616 -0.339 -0.248 -0.277 -0.312 -0.271 -0.260 -0.214 1986 -0.289 -0.035 0.158 0.177 0.032 0.140 0.480 0.530 0.545 0.672 1.043 1.102 1987 0.888 1.054 1.242 1.135 1.153 1.195 1.495 1.504 1.644 1.442 1.219 1.081 1988 0.676 0.197 0.258 -0.035 -0.525 -0.995 -1.123 -0.933 -0.877 -1.435 -1.354 -1.364 1989 -1.469 -1.068 -0.946 -0.725 -0.677 -0.445 -0.375 -0.528 -0.500 -0.542 -0.634 -0.091 1990 -0.067 -0.028 -0.172 0.140 0.003 -0.057 0.005 0.152 0.051 -0.046 -0.204 -0.190 1991 0.030 0.027 0.024 -0.039 0.168 0.264 0.460 0.509 0.635 0.780 0.893 1.027 1992 1.049 0.936 0.939 1.238 1.422 1.053 0.732 0.545 0.442 0.516 0.430 0.434 1993 0.485 0.650 0.746 0.998 1.164 1.005 0.696 0.773 0.770 0.727 0.661 0.659 1994 0.459 0.230 0.228 0.537 0.586 0.558 0.366 0.279 0.352 0.667 0.674 0.701 1995 0.834 0.706 0.576 0.338 0.350 0.465 0.320 -0.186 -0.243 -0.411 -0.559 -0.516 1996 -0.297 -0.283 -0.146 -0.337 -0.151 -0.090 -0.190 -0.230 -0.182 -0.036 0.054 -0.307 1997 0.048 -0.164 0.028 0.417 0.798 1.215 1.359 1.682 1.784 2.012 2.048 1.848 1998 1.965 1.587 1.247 0.627 0.349 -0.091 -0.430 -0.466 -0.796 -1.129 -1.086 -1.203 1999 -1.290 -1.136 -1.038 -1.173 -1.019 -1.231 -1.034 -1.018 -1.192 -1.433 -1.448 -1.321 2000 -1.360 -1.115 -0.879 -0.697 -0.959 -0.905 -0.872 -0.804 -0.698 -0.773 -0.704 -0.669 2001 -0.534 -0.607 -0.392 -0.476 -0.472 -0.472 -0.545 -0.283 -0.492 -0.586 -0.722 -0.670 2002 -0.426 -0.432 -0.212 -0.030 0.016 0.129 0.167 0.365 0.325 0.695 1.075 1.071 2003 0.747 0.674 0.582 0.040 -0.354 -0.327 0.112 0.263 -0.111 0.335 0.489 0.351 2004 0.155 0.046 0.085 0.009 -0.209 -0.186 -0.139 0.061 0.213 0.219 0.393 0.544 2005 0.560 0.077 0.249 0.182 0.233 0.019 -0.189 -0.237 -0.474 -0.732 -1.086 -0.751 2006 -0.585 -0.400 -0.415 -0.409 -0.163 0.109 0.167 0.374 0.412 0.793 0.876 1.118 2007 0.804 0.338 0.035 -0.065 -0.363 -0.278 -0.334 -0.599 -0.969 -1.210 -1.180 -1.080 2008 -1.276 -1.259 -0.951 -0.973 -0.762 -0.681 -0.526 -0.334 -0.430 -0.537 -0.653 -0.865 2009 -0.915 -0.801 -0.767 -0.383 0.031 0.288 0.265 0.392 0.633 0.781 0.939 1.042 2010 0.882 0.648 0.347 0.242 -0.035 -0.515 -1.119 -1.406 -1.704 -1.613 -1.461 -1.471 2011 -1.502 -1.153 -1.003 -0.747 -0.790 -0.781 -0.944 -0.999 -1.116 -1.300 -1.440 -1.215 2012 -0.771 -0.495 -0.470 -0.294 -0.446 -0.118 -0.161 -0.039 -0.144 0.044 0.252 -0.306 2013 -0.379 -0.476 -0.456 -0.399 -0.489 -0.660 -0.959 -0.883 -0.716 -0.585 -0.592 -0.534 2014 -0.553 -0.445 -0.097 -0.012 0.162 -0.103 0.039 -0.198 -0.050 0.419 0.654 0.803 2015 0.591 0.493 0.370 0.601 0.583 0.762 0.850 1.081 1.428 1.444 1.556 1.544 2016 1.510 1.196 1.061 0.762 0.398 0.092 -0.253 -0.405 -0.681 -0.839 -0.498 -0.308 2017 -0.246 -0.187 -0.026 0.095 0.039 -0.224 -0.451 -0.711 -0.633 -0.849 -1.000 -1.212 2018 -1.140 -1.117 -0.883 -0.567 -0.559 -0.578 -0.334 -0.108 0.036 0.037 0.070 0.275 2019 0.084 -0.047 -0.047 0.028 -0.037 -0.137 -0.148 -0.301 -0.215 -0.234 -0.023 -0.053 2020 -0.412 -0.314 -99.000 -99.000 -99.000 -99.000 -99.000 -99.000 -99.000 -99.000 -99.000 -99.000 -99 TPI unfiltered (IPO Tripole Index) of Henley et al. (2015) ERSST V4 created at NOAA PSL If you use this data please cite: Henley, B.J., Gergis, J., Karoly, D.J., Power, S.B., Kennedy, J., & Folland, C.K. (2015). A Tripole Index for the Interdecadal Pacific Oscillation. Climate Dynamics, 45(11-12), 3077-3090. doi:10.1007/s00382-015-2525-1 See https://psl.noaa.gov/data/timeseries/IPOTPI/ Updated date at NOAA/PSL Produced Mar 28 2024 units="degC"