“This map highlights all the states in the lower 48 that are forecast to reach over 90 degrees () at some point in the next 10 days It’s every state, but one. Vermont…”
July 23-August 2 1931 was much hotter. Every state was over 90F, thirty-three states were over 100F and ten states were over 110F.
July 23-August 2 1930 was even hotter. Forty states were over 100F and sixteen states were over 110F.
As carbon dioxide has increased in the atmosphere over the past century. the percent of the US reaching 90F during that ten day period has sharply declined.
