Warm weather in the US was much more common on March 21 prior to 1940. On March 21, 1907 more than 40% of the US was over 80F (27C.) Temperatures in Kansas reached 100 degrees (38C.)
Kansas 100, Oklahoma 99, Nebraska 98, Arkansas 96, Texas 96, Florida 95, Georgia 95, Illinois 93, Louisiana 93, Missouri 93, New Mexico 93, Alabama 92, Colorado 92, Mississippi 92, Tennessee 92, South Carolina 91, Iowa 89, Kentucky 88, South Dakota 88, Arizona 87, Indiana 87, North Carolina 87, Wyoming 84, Ohio 83, West Virginia 82, North Dakota 81
The two warmest March 23rd’s in the US were 1907 and 1910.
23 Mar 1907, 1 – The Daily News and Intelligencer at Newspapers.com
