Globally, 2015 set a new record for the most extremely warm days in the 66-year record (1.8 times more than the average). The number of extremely warm days and nights was the highest ever recorded in western North America, parts of central Europe, and central Asia.
Record-setting warmth enveloped the contiguous United States in June 2016.
Scorching heat bakes the Southwest in mid-June 2016
June 22, 2016