On July 10, 1936 almost half of the US was over 100 degrees, and six states were over 110 degrees : North Dakota 114, South Dakota 114, Indiana 112, Montana 112, Nebraska 111, Minnesota 11.
The average temperature across the US was 94 degrees, and 44% of USHCN stations were over 100 degrees.
State Highest Temperature (F) North Dakota 114 South Dakota 114 Indiana 112 Montana 112 Nebraska 111 Minnesota 110 Illinois 109 Kentucky 109 Virginia 109 Iowa 107 Missouri 107 Pennsylvania 107 West Virginia 107 Wisconsin 107 Wyoming 107 Alabama 106 Colorado 106 Maryland 106 New Jersey 106 Ohio 106 Delaware 105 Kansas 105 Michigan 105 Oklahoma 105 Georgia 104 North Carolina 104 South Carolina 104 Tennessee 104 Arizona 103 New York 103 Arkansas 101 Florida 101 Mississippi 101 Texas 101