In 1936, Clinton, Missouri USHCN RAW high temperatures averaged 105 degrees in both July and August. This July, Clinton is averaging 92 for a high – thirteen degrees cooler than 1936.
However, history began around 1975 so this is the hottest summer ever. Plus we have heat index and real feel temperatures now. We should also adjust temperatures upwards by 0.3 per month, to account for Trenberth’s missing heat.