The melt season was up to 30 to 40 days longer than average in western, northwestern, and northeastern Greenland, but was close to or below average elsewhere on the ice sheet. Melt area was above average on 52 of the 90 days of the melt season.
“Arctic amplification” of climate change remained in full swing in 2015, according to the 2015 Arctic Report Card. Broad areas of the Arctic were more than 5°F (3°C) warmer than average during the report card’s monitoring year (October 2014-September 2015).
Based on data from 1981-2010, the vast majority of the Lower 48 experiences its warmest day of the year by the end of August. Where in the U.S. does climate data suggest the warmest day is still to come?