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Pacific decadal oscillation (PDO) 1935–2013.

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posted on 22.06.2015, 03:23 authored by Bruce E. Kurtz

The PDO is the leading principal component of the North Pacific monthly sea surface temperature. The annual measurements (black dotted line) are smoothed with a 13-year centered moving average filter (black solid line). The sinusoid (red dashed line) is a least squares fit to the moving average. The data are from the University of Washington's PDO website,