From Washington Post there was this article on the heat and how to cope with it. (You should be able to decipher what I took some liberties modifying:) https://www.washingtonpost.com/weather/2019/07/19/excessive-heat-warning-dc-temperatures-soar-dangerously-high-levels-friday-through-sunday/?utm_term=.321370830b4a Their tips for dealing with the heat: Robert Palmer and Power Station knew best how to deal with the heat: