West Pacific Oscillation

Year January February March April May June July August September October November December
1948 7.03 -6.007 4.008 -13.946 -4.806 -1.916 3.805 -1.678 0.939 6.966 4.168 5.164
1949 7.208 -0.885 3.477 4.795 -1.243 -3.305 1.251 0.128 0.944 0.172 4.187 -1.697
1950 -19.931 -3.643 3.104 1.158 5.471 0.088 3.8 0.99 2.778 4.352 -12.098 -1.895
1951 4.054 2.909 -3.094 -0.503 1.97 -2.05 -0.071 -2.458 -5.774 0.98 2.68 -1.599
1952 4.292 9.558 0.82 6.85 2.439 4.341 -2.402 -3.8 -3.722 1.933 8.899 8.144
1953 -4.328 11.505 6.703 0.203 1.951 -5.128 -2.356 -0.49 -3.688 2.592 6.399 8.782
1954 -2.204 1.511 0.862 -8.864 5.242 0.465 -2.815 0.591 -4.079 -3.492 0.496 0.285
1955 11.923 0.036 1.627 5.069 4.551 0.99 1.949 -1.455 -0.072 6.122 -7.323 -13.27
1956 -11.078 -5.024 6.525 3.824 7.854 -2.248 -4.173 -1.373 -2.643 -0.076 -2.067 -13.733
1957 -8.157 -10.85 -2.735 1.882 -2.555 -3.189 -3.422 0.015 -4.705 -3.342 0.257 8.082
1958 5.787 -7.225 1.184 2.432 7.151 0.488 3.369 0.077 -1.045 2.102 5.816 -3.749
1959 -7.901 7.245 1.876 -2.403 -3.666 -2.077 -1.314 -3.461 -2.201 -4.636 -1.829 8.844
1960 2.221 4.339 -8.13 3.941 1.418 1.06 -0.83 1.751 -0.232 2.742 1.416 1.8
1961 -1.287 0.848 4.741 -1.697 3.24 0.118 -1.232 2.379 1.167 0.59 3.552 -12.493
1962 -9.099 -4.753 1.167 -10.693 -1.528 -3.712 -2.102 3.509 2.582 3.803 6.976 -7.639
1963 -21.977 -12.94 -3.857 -0.556 4.359 5.281 0.248 -1.148 1.375 3.86 -4.811 -0.61
1964 12.133 7.762 0.162 7.361 -4.208 -5.26 3.917 5.729 3.363 3.152 -5.126 -10.331
1965 -2.737 -0.078 -9.756 -7.068 4.365 5.24 0.528 1.787 -4.967 4.51 2.373 1.609
1966 2.468 9.297 -2.777 -4.912 1.694 -1.424 2.234 3.115 3.137 -2.811 -5.953 -4.744
1967 9.243 7.547 -4.128 -2.576 -10.02 -4.492 -2.338 2.601 3.67 2.651 3.498 -2.828
1968 -11.981 -13.63 3.413 1.966 -9.185 -2.668 3.041 -0.273 -2.466 6.541 0.68 -5.048
1969 -2.376 11.665 4.938 7.876 3.703 1.841 -0.38 -3.296 0.45 -2.666 1.189 6.129
1970 -8.446 1.306 -0.376 4.668 -1.339 -0.211 5.239 2.439 -4.045 2.256 -5.947 4.036
1971 -9.328 -3.567 5.858 4.351 6.723 1.678 -1.145 0.193 -1.356 1.466 1.769 2.112
1972 3.315 -9.981 -7.247 -0.427 0.457 3.572 -2.918 1.361 -6.716 -1.333 4.762 -6.513
1973 8.88 4.34 4.838 3.062 6.062 1.063 0.401 2.458 3.018 -0.641 -6.638 4.056
1974 -19.684 3.008 -6.898 3.093 2.825 -3.579 -0.826 -2.083 -5.499 -0.438 7.37 5.236
1975 2.452 1.06 2.745 -0.117 1.923 -0.002 2.178 -1.026 -2.2 -0.933 2.852 -1.522
1976 0.45 4.027 5.63 7.934 5.384 -3.514 5.697 3.179 2.753 -0.894 2.841 -3.612
1977 -7.336 6.26 9.87 0.898 1.3 -1.262 -0.649 -1.157 -2.528 7.062 -1.231 -9.29
1978 -0.987 2.03 -6.163 -0.581 0.485 3.746 1.56 2.472 1.958 1.542 -1.904 9.392
1979 4.283 -2.399 -3.698 0.885 1.49 1.63 2.037 2.222 2.719 5.45 7.132 -0.661
1980 -12.922 -3.112 6.445 11.044 7.912 1.414 -0.231 -2.802 -1.306 7.245 5.476 -19.678
1981 -0.007 -3.062 6.266 0.653 -1.623 -1.099 0.139 -1.132 1.14 -4.604 4.097 3.657
1982 -2.137 -15.321 2.048 -3.016 3.618 6.587 2.822 -0.827 0.208 -4.535 2.632 8.625
1983 -0.328 0.706 -4.214 3.763 2.843 1.002 2.49 -0.844 -3.919 2.142 3.952 -11.209
1984 -6.324 3.695 -3.573 1.019 0.082 2.044 -2.861 -1.634 -0.185 -5.976 5.546 -1.691
1985 -3.832 -5.672 13.033 1.056 4.928 2.465 -1.577 0.451 -1.699 -0.032 -10.001 -2.152
1986 2.893 -12.004 -3.346 -1.908 1.562 2.927 -0.108 -0.102 -4.388 -2.24 -2.764 2.844
1987 8.826 1.982 -1.377 6.218 4.803 3.879 1.241 -4.022 1.766 4.79 2.004 12.447
1988 8.841 0.401 3.675 4.918 4.481 1.845 0.292 2.604 -1.435 -2.682 2.18 0.984
1989 13.387 -3.56 -13.721 -2.803 -1.557 -4.037 -0.537 0.31 -1.661 -1.027 -0.346 -10.386
1990 10.501 7.194 -2.524 -13.43 2.433 -1.767 0.147 3.279 4.102 1.562 -5.42 -4.601
1991 -11.484 -5.598 7.076 4.792 4.761 -3.189 -1.902 -1.061 4.54 -6.038 -3.509 9.404
1992 6.023 -3.778 5.052 -9.523 -5.483 2.224 1.253 5.244 -3.651 0.936 6.138 -2.004
1993 1.805 -3.06 2.179 -1.256 -0.502 -1.685 -4.096 1.133 -1.948 1.534 2.252 6.37
1994 -1.672 -9.649 1.657 -2.624 5.41 -1.922 1.845 0.478 -4.273 2.843 2.952 8.26
1995 -0.59 -14.79 -11.089 2.337 0.847 -1.721 1.037 -0.106 3.395 2.679 -12.229 -11.225
1996 -7.032 1.864 -8.117 -3.074 -6.034 -3.176 2.566 -3.066 -5.517 -3.257 -3.706 -7.375
1997 -10.617 -0.969 -4.248 -3.911 -0.156 -1.758 1.612 -3.089 2.361 -6.965 7.617 7.65
1998 -2.889 7.857 2.495 10.645 9.663 -0.732 -0.505 3.994 3.103 3.194 4.417 1.216
1999 0.971 16.054 11.817 2.897 0.734 4.16 0.317 5.311 3.223 1.892 6.718 -1.681
2000 3.042 3.59 4.814 -1.744 -2.173 1.068 -2.114 -2.126 -3.756 3.722 4.874 -1.381
2001 7.21 8.972 -2.709 0.4 -2.019 -2.314 -2.131 -0.583 5.696 1.775 1.295 2.374
2002 1 7.383 -0.598 -11.597 -2.469 0.409 1.081 -2.386 0.226 -5.441 -2.931 7.327
2003 -5.29 -5.243 -9.658 4.712 3.113 1.077 -5.072 1.599 -2.226 -3.897 0.594 9.322
2004 -11.227 2.693 1.281 3.16 -2.219 -0.549 -0.987 -1.884 0.011 4.011 4.476 -1.783
2005 -10.986 0.724 -0.654 -3.45 -2.333 0.72 0.353 -1.174 3.43 5.941 -10.752 -7.015
2006 3.333 10.257 1.465 1.376 -2.228 -3.282 2.17 -3.688 -3.041 -0.043 -15.341 11.735
2007 7.287 -1.924 -8.121 2.295 -3.627 -2.041 -0.099 0.177 4.723 5.074 2.745 3.706
2008 7.813 1.636 -3.655 -1.826 -2.031 -1.665 0.442 -0.477 -1.933 2.667 0.161 -6.927
2009 -2.864 8.216 -1.829 -0.016 -7.198 -2.31 3.371 1.836 1.405 -3.944 9.438 -11.212
2010 -5.652 1.124 16.574 9.935 -7.626 2.841 -1.19 1.785 0.302 5.92 -7.091 -15.281
2011 -7.248 -2.431 2.061 -2.988 3.708 3.459 -0.196 3.094 6.017 5.912 3.891 4.831
2012 -4.316 8.649 9.847 -4.893 -0.274 -1.273 -0.321 -1.06 3.087 -13.479 -14.734 -2.36
2013 -2.961 8.317 0.711 -16.147 -4.74 -2.498 -4.654 0.437 3.291 0.313 -9.792 -15.691
2014 0.672 -10.628 -1.84 0.123 -8.879 -1.406 -2.64 0.748 -1.98 -1.832 -2.766 -1.195
2015 -11.004 -15.894 -1.708 7.86 3.904 -1.999 3.58 -4.719 -5.514 -1.411 5.452 8.593
2016 4.279 8.382 -2.911 0.884 -1.485 -2.228 -4.651 -5.027 1.234 4.93 6.453

The monthly West Pacific Oscillation (WPO) is a monthly average from daily average from Daily Teleconnection Indices: Historical Values from NCAR/NCEP Reanalysis-WPO. The original monthly average is divided by 10.

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