PDO Breaks Record for Highest Positive for Month of December — Weather 5280

From Weather5280.com (Brendan Heberton):

The Pacific Decadal Oscillation (PDO) index broke the record for highest positive ever recorded during the month of December in 2014. At 2.51, this is also the highest value since August of 1997 according to NWS Albuquerque. Below is a chart of all December PDO indices since 1900, this past one well above any other (far right).

December Pacific Decadal Oscillation indices 1900 thru 2014 via Weather5280.com
December Pacific Decadal Oscillation indices 1900 thru 2014 via Weather5280.com

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