1870 2024 1870 -0.611 -0.933 -0.681 -0.717 -0.790 -0.751 -0.753 -0.771 -0.446 -0.716 -0.716 -0.715 1871 -0.185 -0.170 -0.134 -0.280 -0.601 -0.418 -0.309 -0.003 0.039 -0.094 -0.188 -0.321 1872 -0.449 -0.463 -0.384 -0.702 -0.508 -0.451 -0.136 -0.887 -0.860 -0.977 -0.931 -1.058 1873 -0.972 -0.978 -1.054 -0.549 -0.336 -0.566 -0.574 -0.648 -0.682 -0.758 -0.731 -0.662 1874 -0.823 -0.923 -0.949 -0.578 -0.380 -0.544 -0.803 -0.955 -1.065 -1.029 -0.880 -0.779 1875 -0.394 -0.392 -0.563 -0.795 -1.294 -0.912 -0.914 -0.973 -1.009 -0.775 -0.428 -0.800 1876 -0.957 -1.032 -0.924 -0.859 -0.820 -0.339 -0.397 -0.352 -0.023 0.353 0.575 0.601 1877 0.555 0.458 0.533 0.560 0.741 0.763 1.679 1.558 1.817 1.884 2.035 2.120 1878 2.104 2.163 1.347 1.085 0.942 1.098 0.721 0.338 -0.052 -0.243 -0.156 -0.099 1879 0.109 0.033 0.018 -0.224 -0.604 -0.690 -0.594 -0.345 -0.460 -0.539 -0.810 -0.482 1880 -0.493 -0.482 -0.665 -0.605 -0.621 -0.475 -0.307 -0.165 0.134 0.382 0.544 0.415 1881 0.376 0.338 0.394 0.637 0.572 0.469 0.109 0.027 0.073 0.049 0.006 -0.082 1882 -0.292 -0.525 -0.372 0.141 0.112 -0.173 -0.415 -0.163 -0.218 -0.225 -0.407 -0.309 1883 -0.130 -0.292 -0.323 -0.069 -0.188 0.060 0.174 -0.093 -0.055 -0.014 0.136 0.001 1884 -0.076 -0.134 0.227 0.518 0.747 0.238 0.579 0.538 0.577 0.705 0.782 0.890 1885 0.749 0.693 0.636 0.430 0.626 0.498 0.363 0.608 0.799 0.973 0.997 1.116 1886 0.425 0.323 0.219 0.165 -0.677 -0.848 -0.668 -0.759 -0.771 -0.661 -0.739 -0.843 1887 -0.648 -0.463 -0.696 -0.724 -0.595 -0.227 -0.376 -0.515 -0.275 0.026 0.310 0.285 1888 0.402 0.941 0.821 0.862 0.927 1.002 0.939 0.895 1.105 1.740 2.087 1.974 1889 1.727 1.241 0.957 0.885 0.770 0.103 -0.058 -0.401 -0.487 -0.887 -0.636 -0.796 1890 -1.570 -1.294 -0.485 -0.500 -0.572 -0.731 -0.632 -0.825 -0.806 -0.829 -0.652 -0.281 1891 -0.089 -0.029 0.236 0.415 0.388 0.415 0.388 0.147 -0.025 0.108 0.195 0.151 1892 -0.197 -0.258 -0.374 -0.375 -0.466 -0.317 -0.264 -0.527 -0.974 -1.318 -1.181 -0.856 1893 -0.791 -0.824 -1.007 -1.002 -1.196 -1.266 -1.532 -1.502 -1.310 -1.303 -0.996 -0.953 1894 -0.825 -0.858 -0.805 -0.746 -0.799 -0.663 -0.703 -0.755 -1.015 -0.846 -0.714 -0.268 1895 -0.282 -0.141 -0.050 -0.015 -0.054 -0.072 0.019 0.552 0.487 0.589 0.630 0.620 1896 0.451 0.272 0.124 0.025 0.061 0.151 0.707 1.168 1.236 1.170 1.395 1.324 1897 1.343 1.135 0.670 0.347 0.413 0.513 0.508 0.348 0.244 0.190 -0.038 -0.294 1898 -0.446 -0.400 -0.285 -0.180 -0.223 -0.154 -0.304 -0.423 -0.256 -0.226 -0.147 -0.179 1899 -0.318 -0.454 -0.263 -0.108 0.131 0.237 0.052 0.878 0.815 0.900 1.436 1.663 1900 1.551 1.366 1.249 0.996 0.855 0.977 1.019 0.896 0.738 0.607 0.435 1.126 1901 0.905 0.625 0.452 0.205 0.030 -0.013 0.193 0.179 0.026 0.224 0.353 0.414 1902 0.275 0.433 0.405 1.114 1.062 1.466 1.807 1.499 1.380 1.621 1.633 1.282 1903 1.269 0.885 1.015 0.537 0.409 0.722 0.348 0.465 0.318 -0.146 -0.338 -0.176 1904 -0.343 -0.368 -0.227 -0.152 0.047 0.531 0.863 1.045 0.642 1.003 0.713 1.311 1905 1.126 1.209 1.486 0.985 1.520 1.173 1.228 1.698 1.573 1.249 1.399 1.167 1906 1.089 1.041 1.278 1.055 0.703 0.480 -0.140 -0.208 -0.881 -0.586 0.323 -0.062 1907 -0.390 -0.028 -0.166 -0.284 -0.057 0.217 0.069 -0.179 0.230 0.047 0.089 0.150 1908 0.044 0.320 0.160 -0.116 0.052 0.179 -0.235 -0.501 -0.370 -0.373 -0.679 -0.606 1909 0.240 -0.485 -0.065 -0.490 -0.050 -0.694 -0.579 -0.940 -1.055 -1.217 -1.334 -0.933 1910 -1.067 -0.505 -0.540 -0.772 -1.080 -1.051 -0.695 -0.894 -1.229 -0.973 -0.518 -0.370 1911 -0.260 -0.282 -0.369 -0.680 -0.815 -0.502 -0.138 -0.292 0.126 0.128 0.920 1.140 1912 1.272 0.897 0.687 0.767 0.275 0.245 0.280 0.131 0.343 0.024 0.375 -0.082 1913 0.023 0.757 0.571 -0.483 -0.088 0.320 0.167 0.153 0.224 0.563 0.917 0.951 1914 0.942 0.881 0.735 0.895 0.269 0.148 0.276 0.864 0.672 0.221 0.291 0.810 1915 1.057 0.922 0.982 0.878 0.915 1.319 0.361 0.013 -0.113 -0.049 -0.179 -0.056 1916 0.119 -0.362 -0.199 -0.248 -0.013 -0.122 -0.970 -1.416 -1.409 -1.302 -1.503 -1.185 1917 -1.087 -0.829 -0.597 -0.466 -0.493 -0.353 -0.069 -0.166 -0.400 -0.291 -0.435 -0.598 1918 -0.528 -0.499 -0.464 -0.255 0.145 0.744 0.529 0.673 0.905 1.350 1.427 1.470 1919 1.684 1.116 0.851 0.872 1.016 0.914 0.782 0.852 0.736 0.449 0.026 0.705 1920 0.882 0.676 0.406 0.128 0.350 0.306 0.162 0.027 -0.103 -0.096 -0.114 0.050 1921 0.308 -0.117 -0.767 -0.199 -0.575 -0.362 -0.438 -0.235 -0.371 -0.168 -0.538 -0.106 1922 -0.185 0.170 0.308 0.028 0.281 -0.385 -0.250 -0.584 -0.266 -0.239 -0.284 -0.415 1923 -0.129 -0.175 -0.250 0.129 0.044 0.142 0.166 0.302 0.542 0.859 1.009 0.660 1924 -0.009 0.418 0.071 -0.111 -0.615 -0.352 -0.635 -0.780 -0.600 -0.369 -0.577 -0.184 1925 -0.522 0.136 0.077 0.253 -0.102 -0.260 0.511 0.577 0.807 0.999 1.336 1.576 1926 1.528 1.575 1.537 1.200 1.170 1.000 0.796 0.264 0.159 -0.049 0.363 0.559 1927 0.700 0.765 0.288 0.361 -0.250 0.189 -0.264 -0.174 -0.014 0.145 0.158 0.336 1928 0.743 0.562 0.286 0.258 0.333 0.097 0.133 -0.066 -0.244 -0.109 0.001 -0.080 1929 -0.154 0.001 0.051 0.217 0.258 0.206 0.318 0.270 0.592 0.369 0.367 0.810 1930 0.510 0.470 0.569 0.528 0.031 0.543 0.676 0.815 1.193 1.357 1.755 1.646 1931 1.580 1.950 1.636 1.363 0.917 0.835 0.753 0.390 0.119 0.282 0.046 -0.009 1932 -0.045 0.167 0.501 0.562 0.384 0.442 0.211 0.447 0.095 0.220 0.164 0.040 1933 -0.029 -0.087 -0.116 -0.012 -0.344 -0.737 -0.827 -0.939 -0.848 -0.955 -0.540 -0.699 1934 -0.298 -0.243 -0.037 0.306 -0.028 -0.095 -0.393 -0.078 0.039 0.152 0.368 0.067 1935 -0.259 -0.287 -0.109 -0.071 -0.033 0.026 -0.372 0.298 0.271 0.330 0.608 0.388 1936 0.777 0.671 0.404 0.739 0.631 0.214 0.424 -0.032 -0.021 0.608 0.402 0.949 1937 0.131 0.523 0.518 0.239 -0.249 0.141 0.258 -0.303 0.205 -0.071 0.280 0.151 1938 -0.301 -0.234 -0.326 -0.450 -0.667 -0.900 -1.027 -0.968 -0.372 -0.598 -0.524 -0.540 1939 -0.166 -0.580 -0.654 -0.065 0.051 0.249 0.263 0.057 0.233 -0.533 0.306 0.477 1940 1.344 1.556 1.363 0.993 0.711 0.984 0.291 0.845 0.400 0.759 1.039 1.588 1941 1.564 1.579 1.671 1.582 1.530 1.070 1.121 1.338 1.092 1.070 1.086 1.232 1942 0.838 0.445 0.410 0.456 -0.056 -0.361 -0.468 -0.750 -0.879 -0.963 -0.967 -0.933 1943 -0.897 -0.684 -0.640 -0.350 -0.307 -0.260 -0.283 -0.413 -0.447 -0.260 -0.516 -0.545 1944 -0.308 -0.091 -0.328 0.038 -0.363 -0.165 -0.012 -0.270 -0.310 -0.432 -0.409 -0.562 1945 -0.696 -0.462 -1.046 -0.760 -0.346 -0.424 -0.369 -0.500 -0.495 -0.656 -0.471 -0.682 1946 -0.628 -0.457 -0.361 -0.324 -0.456 -0.120 -0.104 0.061 0.166 -0.311 0.110 0.358 1947 0.444 0.243 0.759 0.042 -0.250 0.594 -0.023 -0.223 -0.282 -0.264 -0.492 0.392 1948 0.288 0.213 0.287 -0.019 0.031 0.085 -0.031 -0.375 -0.369 -0.680 -0.127 0.134 1949 -0.581 -0.212 -0.651 -0.077 -0.224 -0.496 -0.362 -0.491 -1.008 -1.110 -1.352 -1.013 1950 -0.986 -1.354 -1.131 -1.031 -1.438 -1.203 -1.603 -1.071 -1.287 -1.156 -1.638 -1.039 1951 -1.064 -0.858 -0.954 -0.486 -0.351 -0.252 0.562 0.272 0.483 0.525 0.739 0.346 1952 0.142 0.066 0.029 0.116 -0.219 -0.731 -0.694 -0.525 -0.374 -0.224 -0.498 -0.360 1953 0.291 0.141 0.127 0.447 0.161 0.302 0.194 -0.005 0.306 -0.151 0.062 -0.107 1954 -0.051 -0.167 -0.230 -0.552 -0.629 -0.578 -0.621 -0.750 -0.965 -0.742 -0.830 -0.785 1955 -0.553 -0.918 -0.913 -1.268 -1.432 -1.407 -1.461 -1.152 -1.431 -2.031 -1.864 -1.678 1956 -1.394 -1.125 -1.093 -1.158 -1.190 -1.340 -1.126 -0.918 -0.968 -1.149 -1.298 -0.800 1957 -0.649 -0.376 -0.016 0.128 0.182 0.463 0.579 0.405 0.578 0.784 0.861 0.892 1958 1.174 0.955 0.591 0.254 0.394 0.272 0.112 0.362 0.031 -0.029 0.178 0.360 1959 0.260 0.103 -0.018 0.047 -0.067 -0.177 -0.259 -0.288 -0.323 0.088 -0.094 -0.237 1960 -0.091 -0.240 -0.010 0.014 -0.045 -0.256 -0.428 -0.211 -0.238 -0.233 -0.394 0.102 1961 0.123 0.268 0.032 0.070 -0.267 -0.191 -0.698 -0.594 -0.755 -0.930 -0.478 -0.677 1962 -0.534 -0.415 -0.669 -0.712 -0.820 -0.824 -0.686 -0.418 -0.847 -0.783 -0.545 -0.527 1963 -0.211 -0.155 -0.040 -0.014 -0.236 -0.216 0.094 0.297 0.455 0.645 0.535 0.772 1964 0.553 0.145 -0.271 -0.606 -1.012 -0.875 -0.777 -1.153 -0.950 -0.986 -0.789 -0.751 1965 -0.358 -0.076 0.044 0.299 0.481 0.433 0.633 1.047 1.087 1.238 1.320 1.169 1966 0.919 0.536 0.361 0.273 0.037 0.186 0.284 0.237 0.089 0.035 0.006 -0.016 1967 -0.314 -0.474 -0.522 -0.403 -0.348 -0.314 -0.494 -0.829 -0.845 -0.837 -0.543 -0.502 1968 -0.642 -0.517 -0.730 -0.635 -0.668 -0.197 -0.074 -0.066 -0.018 0.196 0.413 0.588 1969 0.518 0.530 0.301 0.162 0.220 0.344 0.190 0.377 0.370 0.815 0.786 0.660 1970 0.485 0.320 0.144 -0.158 -0.353 -0.477 -1.064 -1.211 -1.018 -1.008 -1.053 -1.243 1971 -1.461 -1.450 -1.288 -1.064 -1.095 -1.225 -1.242 -1.140 -0.992 -1.118 -1.161 -1.112 1972 -0.540 -0.177 -0.252 0.127 0.138 0.456 0.539 0.962 0.803 1.153 1.042 1.415 1973 1.046 0.367 0.072 -0.381 -0.658 -0.896 -1.058 -1.219 -1.395 -1.506 -1.749 -1.832 1974 -1.671 -1.452 -1.123 -0.821 -0.654 -0.680 -0.677 -0.539 -0.770 -0.988 -0.920 -0.958 1975 -0.801 -0.494 -0.802 -0.792 -1.212 -1.194 -1.141 -1.212 -1.489 -1.662 -1.586 -1.703 1976 -1.549 -0.939 -0.775 -0.650 -0.487 -0.106 0.233 0.406 0.567 0.801 0.785 0.489 1977 0.754 0.526 0.275 -0.332 -0.056 0.340 0.414 0.258 0.257 0.509 0.741 0.674 1978 0.702 0.449 0.305 -0.040 -0.071 -0.293 -0.534 -0.568 -0.479 -0.034 0.168 0.059 1979 0.001 -0.158 -0.230 0.086 0.159 0.122 0.014 0.085 0.323 0.349 0.265 0.470 1980 0.459 0.350 0.299 0.454 0.446 0.191 0.087 0.108 0.106 0.207 0.365 0.482 1981 -0.065 -0.161 0.041 -0.112 -0.064 -0.023 -0.210 -0.098 0.137 0.110 0.170 0.212 1982 0.082 0.127 0.173 0.333 0.525 0.748 0.771 0.969 1.438 1.793 1.717 1.907 1983 2.015 2.053 1.776 1.361 1.409 1.347 1.169 0.858 0.272 -0.125 -0.202 0.157 1984 0.161 0.069 -0.018 -0.202 -0.413 -0.574 -0.471 -0.349 -0.149 -0.303 -0.577 -0.922 1985 -0.599 -0.643 -0.638 -0.682 -0.759 -0.486 -0.255 -0.259 -0.284 -0.409 -0.285 -0.186 1986 -0.380 -0.065 0.033 0.075 -0.078 0.203 0.509 0.505 0.618 0.811 1.090 1.101 1987 0.979 1.023 1.243 1.138 1.186 1.235 1.506 1.556 1.609 1.427 1.282 1.155 1988 0.732 0.243 0.341 -0.191 -0.568 -0.943 -0.997 -0.936 -1.031 -1.491 -1.478 -1.397 1989 -1.514 -1.067 -1.058 -0.833 -0.795 -0.640 -0.381 -0.605 -0.499 -0.561 -0.497 -0.149 1990 -0.129 -0.016 -0.185 0.082 0.035 -0.053 -0.037 0.026 0.047 -0.098 -0.146 -0.152 1991 0.035 0.036 0.023 -0.008 0.203 0.286 0.425 0.305 0.257 0.727 0.952 1.054 1992 1.045 1.018 0.990 1.263 1.511 0.984 0.716 0.422 0.344 0.460 0.409 0.330 1993 0.508 0.710 0.798 1.094 1.160 1.048 0.760 0.764 0.737 0.764 0.602 0.585 1994 0.385 0.159 0.241 0.531 0.534 0.509 0.361 0.229 0.320 0.692 0.592 0.614 1995 0.760 0.641 0.508 0.349 0.299 0.476 0.428 -0.026 0.009 -0.351 -0.488 -0.474 1996 -0.330 -0.313 -0.107 -0.201 -0.135 0.098 -0.094 -0.122 -0.191 -0.150 -0.008 -0.338 1997 -0.005 -0.069 0.036 0.377 0.891 1.177 1.324 1.719 1.855 1.989 1.998 1.786 1998 1.985 1.604 1.299 0.720 0.492 -0.031 -0.347 -0.387 -0.587 -0.949 -0.951 -1.115 1999 -1.158 -1.127 -0.904 -0.989 -1.006 -1.147 -1.042 -1.015 -1.160 -1.334 -1.427 -1.394 2000 -1.447 -1.243 -1.070 -0.691 -0.941 -0.928 -0.770 -0.698 -0.675 -0.712 -0.703 -0.760 2001 -0.733 -0.692 -0.388 -0.310 -0.492 -0.467 -0.506 -0.332 -0.594 -0.565 -0.540 -0.743 2002 -0.482 -0.466 -0.059 -0.013 0.020 0.098 0.246 0.280 0.314 0.620 1.042 0.972 2003 0.772 0.579 0.427 0.045 -0.461 -0.239 0.077 0.174 -0.121 0.328 0.365 0.261 2004 0.257 -0.037 0.024 0.108 -0.157 -0.214 -0.075 0.103 0.251 0.229 0.288 0.431 2005 0.459 0.021 0.179 0.083 0.181 -0.007 -0.151 -0.223 -0.490 -0.763 -0.975 -0.936 2006 -0.617 -0.487 -0.415 -0.394 -0.260 -0.023 0.021 0.243 0.374 0.655 0.697 0.935 2007 0.590 0.248 -0.092 -0.069 -0.461 -0.314 -0.173 -0.560 -0.991 -1.376 -1.483 -1.319 2008 -1.555 -1.363 -1.080 -0.968 -0.717 -0.542 -0.323 -0.226 -0.447 -0.513 -0.599 -0.918 2009 -0.852 -0.749 -0.896 -0.357 0.055 0.319 0.458 0.458 0.717 0.762 1.092 1.136 2010 0.998 0.687 0.405 0.312 -0.008 -0.579 -0.973 -1.383 -1.721 -1.777 -1.570 -1.706 2011 -1.684 -1.305 -1.150 -0.889 -0.833 -0.802 -0.883 -1.006 -1.052 -1.273 -1.330 -1.289 2012 -0.956 -0.474 -0.415 -0.191 -0.405 0.040 0.162 0.217 -0.089 0.002 0.231 -0.147 2013 -0.353 -0.426 -0.248 -0.312 -0.407 -0.578 -0.716 -0.711 -0.536 -0.448 -0.368 -0.414 2014 -0.445 -0.341 0.026 0.107 0.304 0.203 0.103 -0.023 0.029 0.349 0.656 0.671 2015 0.461 0.452 0.248 0.639 0.599 0.930 1.199 1.302 1.681 1.679 1.682 1.619 2016 1.753 1.148 1.126 0.771 0.404 0.355 -0.027 -0.267 -0.402 -0.695 -0.337 -0.271 2017 -0.169 0.082 -0.085 -0.035 0.043 -0.069 -0.161 -0.329 -0.552 -0.689 -0.862 -0.923 2018 -0.978 -0.855 -1.009 -0.468 -0.436 -0.334 -0.122 -0.163 -0.051 0.122 0.226 0.323 2019 0.056 0.059 0.067 0.242 0.252 0.221 -0.044 -0.306 -0.309 -0.123 0.135 -0.070 2020 0.134 -0.134 -0.399 -0.038 -0.421 -0.635 -0.630 -0.900 -1.100 -1.302 -1.341 -1.189 2021 -1.264 -1.158 -0.967 -0.904 -0.963 -0.671 -0.763 -0.623 -0.932 -1.220 -1.438 -1.714 2022 -1.307 -1.180 -1.282 -1.434 -1.684 -1.396 -1.377 -1.522 -1.699 -1.652 -1.451 -1.305 2023 -1.063 -1.124 -0.594 -0.448 -0.147 0.093 0.167 0.528 0.484 0.596 0.824 0.509 2024 0.626 -99.000 -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) HadISST 1.1 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 27 2024 units="degC"