This year, the Arctic sea ice is taking an unusually long time to refreeze.
After tying the 2nd lowest sea ice minimum ever observed, the sea ice extent has returned to setting a record low for this date in mid-October.
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Is this graph showing that there was more ice melt in September 2012 compared to 2019 or am I reading it incorrectly?
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Yes, September 2012 had the lowest sea ice extent.
September 2019 was the second lowest (very slightly lower than, but effectively tied with 2016 & 2007).
In mid-October, 2019 has again become the lowest observed for that time of the year.
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