On this day in 1969, the temperature dipped to a calendar-day record low of 29 because of an unseasonably cold Arctic air mass. Temperatures plunged to 20 degrees in Frederick, Maryland, an October record.
Here are other notables from this date:
- Average high: 67
- Average low: 49
- Record high: 84 (1947)
- Record low: 29 (1969)
- Record rainfall: 2.01 inches (1926)