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<br />Effects of PD~ <br />I on Winter <br />. <br /> <br />, Precipita~~9n .' <br /> <br />Positive PDO <br /> <br /> <br />Negative PDO <br /> <br /> <br /> <br /> <br />-.l_ <br />-0.60 -0.40 -0.20 0.00 0.20 0,40 0.60 <br />Standardized Precipitation Anomaly <br /> <br />Maps created using the NOAA-CIRES Climate Diagnostics web page <br /> <br />~ USGS <br /> <br />sciHce for . chnging world <br />