Antarctica Sea Ice Extent took an unexpected 50,000 sq km jump yesterday. It was the 3rd highest extent of all-time.
The top 5 Antarctic Sea Ice Extents of all-time all occurred since Sept 14th 2013. 10 out of the top 15 were in 2013. The remaining 5 occurred in 2012.
2013 has also set 55 daily records.
Click graph for bigger. Data is here.