"The Arctic Ocean reached the most frozen it's going to get this year on 13 March. Now the melt season begins, predicts the National Snow and Ice Data Center (NSIDC). The seasonal stats were gloomy. The max sea ice area of 2013 was was 5.84 million square miles (15.13 million square kilometers). That's the sixth lowest extent on record and a whopping 283,000 square miles (733,000 square kilometers) below the 1979 to 2000 average maximum."

"Interestingly this year's max fell five days later than the 1979 to 2000 average date of March 10. NSIDC says the date's highly variable, with the earliest max in the satellite record falling on 24 February 1996 and the latest on 2 April 2010."

Julia Whitty reports for Mother Jones March 27, 2013. [2]