The New York Times says the burning of fossil fuels has ruined summer vacation and they know this because of orange temperature maps.
Summer Travel and Climate Change: Will Vacation Be a Thing of the Past? – The New York Times
US burn acreage so far this year is the lowest on record, and percentage of the US to have reached 95F (35C) is tied with 2014 as a record low.
Orange on the maps is 64F and red hot is 72F
10-Day Temperature Outlook for the Conterminous U.S.
Here in Wyoming we are having, the coolest, wettest summer in memory.