Extent was well below average in the Gulf of St. Above average extent was in the Greenland Sea.
The ice growth season ended with below average sea ice extent in the Bering Sea, Sea of Okhotsk, Barents Sea, and Labrador Sea. The gray areas around the median line show the interquartile and interdecile ranges of the data. The graph above shows Arctic sea ice extent as of March 6, 2023, along with daily ice extent data for four previous years and the record low year. The date of the maximum this year, March 6, was six days earlier than the 1981 to 2010 average date of March 12. This year’s maximum extent is 1.03 million square kilometers (398,000 square miles) below the 1981 to 2010 average maximum of 15.65 million square kilometers (6.04 million square miles) and 210,000 square kilometers (81,000 square miles) above the lowest maximum of 14.41 million square kilometers (5.56 million square miles) set on March 7, 2017. On March 6, 2023, Arctic sea ice likely reached its maximum extent for the year, at 14.62 million square kilometers (5.64 million square miles), the fifth lowest extent in the satellite record. About the dataĬredit: National Snow and Ice Data Center The orange line shows the 1981 to 2010 average extent for that day. The March 7 image is being used because of missing data on the prior day’s map. This image shows Arctic sea ice extent on March 7, 2023, which was 14.62 million square kilometers (5.64 million square miles) like the extent on March 6, 2023.
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