So despite 70 years of automobiles and those dreaded SUVs spewing carbon dioxide into the atmosphere, we still cannot top temps from the 1930s.
Exactly. It is interesting that as the number of cars and factories multiplied during the 40's, 50's, 60's, 70's, 80's, and 90's, the temperatures in July got cooler. Hmmm.
In July; because there was one massive, historical heat wave in July 1936 in the middle of the "Dust Bowl" heat and drought that set numerous records.