Standardized anomalies of annual regional #Arctic sea ice extent - now updated through 2019. New record low this year for the Chukchi Sea.

[Data from @NSIDC; Bright blue = maximum year, bright red = minimum year, vertical lines = 2007/2012/2016/2019] pic.twitter.com/yYvBa4VgHr

— Zack Labe (@ZLabe) January 1, 2020