On October 31, 1950 more than half of the US was over 80F, and nine states were over 90F.
Nebraska 94 Texas 94 Arizona 93 Kansas 93 Oklahoma 93 Colorado 92 California 91 Missouri 91 Alabama 90
Arkansas 89 Florida 89 Georgia 89 Louisiana 89 New Mexico 89 Illinois 88 Indiana 88 Iowa 88 Mississippi 88 North Carolina 88 North Dakota 88 South Carolina 88 Tennessee 88 Virginia 88 Kentucky 87 Minnesota 85 Ohio 85 Maryland 84 Utah 84 West Virginia 83 Wisconsin 83 Delaware 82 New Jersey 82 Pennsylvania 82 South Dakota 82 Michigan 81 Wyoming 81 New York 80
“The Jackson Sun > 31 Oct 1950, Tue » Page: 5
Hot Weather Blamed For Train WreckLOUISVILLE, Ky., Oct. 31 Unseasonable hot weather here yesterday was blamed for a train wreck.
A spokesman for the Louisville and Nashville Railroad said a section of track apparently buckled from the heat, causing derailment of nine coaches of the Southwind, a ‘streamliner running between Miami and Chicago.”
31 Oct 1950, 5 – The Jackson Sun at Newspapers.com
It was 91F at Brunswick, Missouri on October 31, 1950 – which was the hottest day during July, August, September and October that year
Brunswick had a six-day heatwave from October 27 to November 1 during which they averaged 85F.