U.S. CLIMATE SEES DECLINES IN BOTH HOT AND COLD EXTREME TEMPERATURES SINCE 1899

HUNTSVILLE, Ala., April 20 -- The University of Alabama in Huntsville issued the following news release:

Metrics such as the hottest annual temperatures, number of daily heat records and heatwave days show modest declines since 1899. The most intense nationwide heat events remain concentrated in the 1925-1954 period, especially the 1930s.

A comprehensive new study extending the U.S. Historical Climatology Network (USHCN) record back to 1899 finds that both hot and cold temperature extremes across the contiguous United States have declined over the past 127 years. The research, performed by Dr. John R. Christy, Alabama State Climatologist (retired) and professor of atmospheric and earth science at The University of Alabama in Huntsville, a...