On this date in 1970, a coastal storm produced a calendar-day record 3.04 inches of rain in D.C, the second most observed in April.. Temperatures hovered in the 40s amid the deluge. National Weather Service maps showed a slow-moving zone of low pressure off the coast of North Carolina which drifted north to just off the Delmarva coast the next day.
Here are other notables from this day:
- Average high: 68
- Average low: 48
- Record high: 91 (1960)
- Record low: 24 (1950)
- Record precipitation: 3.04 inches (1970)
- Record snowfall: 0.3 inches (1923)
