After a somewhat cool July, near record heat reached the Mid Atlantic area on August 10. The only record set appears to have been for the relatively shorter observation history at Washington Dulles (since 1963):
A RECORD HIGH TEMPERATURE OF 97 DEGREES WAS SET AT WASHINGTONThe all-time August record at Dulles is 104° on the 20th in 1983.
DULLES DC TODAY. THIS BREAKS THE OLD RECORD OF 96 SET IN 2001.