Record-breaking 66.8 mm (2.63 inches) of rain in 42 minutes floods parts of Washington, D.C.
After 19 days with no measurable rain, Reagan National Airport in Washington, D.C. saw intense thunderstorms on July 17, 2018, and a record-breaking 66.8 mm (2.63 inches) of rain in just 42 minutes. A new daily rainfall record was set at Ronald Reagan Washington…