After 19 days with no measurable rain, Reagan National Airport in Washington, US 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 National Airport for July 17 with 84.8
mm (3.34 inches) of rain in 24 hours, breaking the previous record of 52 mm (2.05 inches) set on July 17, 1945. However, an extraordinary 66.8 mm (2.63 inches) of the total fell in just 42 minutes. The total was also the biggest single-day rainfall for the airport since July 28, 2017, and the second-most in July since 1975. In the afternoon, 24.1 mm (0.95 inches of rain fell in just nine minutes and 30.9 mm (1.22 inches) fell in 15 minutes. READ MORE
