The highest temperature ever recorded in Alaska is 38 degrees Celsius (Fort Yukon, June 27, 1915), while the coldest temperature was measured on July 21, 1983 at -89.2°C at the Vostok base in Antarctica.
What happens if the Greenland and Antarctic ice sheet melts?
If the Greenland and Antarctic ice sheets melt away completely, sea levels will rise 65 meters.