Saturday, March 29, 2014

Arctic sea ice extent peaked for 2014 on March 20

NOAA and the National Snow & Ice Data Center haven't announced the peak for arctic sea ice extent for this year yet, but my own reading of the data is that the peak occurred on March 20, 2014. It wasn't any kind of record low, not even close. It was about one standard deviation below the 1980 to 2010 30-year average.
 
The estimated arc sea ice extant was 14.96031 million square kilometers.
 
The data:
 
-- Jack Krupansky

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