On this date in 1939, a calendar-day record 4.49 inches of rain fell from a torrential thunderstorm. The rain, accompanied by “incessant lightning” fell in about two hours according to The Washington Post. “Washington all but drowned last night,” The Post wrote the next day. It said more than a hundred automobiles were stalled in floodwaters and that an untold number of basements flooded.
Here are other notables from the day:
- Average high: 85
- Average low: 68
- Record high: 96 (2019)
- Record low: 49 (1908)
- Record rainfall: 4.49 inches (1939)
