Through 2016, the linear rate of decline for September is 87,200 square kilometers (33,700 square miles) per year, or 13.3 percent per decade. While the absolute seasonal minimum for 2016 was tied with 2007 as second lowest, the average extent for the month of September 2016 of 4.72 million square kilometers (1.82 million square miles) ends up being fifth lowest in the satellite record, behind both 2012 and 2007. This reflects the rapid growth of ice following the seasonal minimum recorded on September 10.
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