🌀 Unnamed · Category 4 · 140 mph
Monday, September 24, 1866
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12:00 AM – 6:00 PM
Category 4 hurricane: peak winds of 140 mph (120 knots), lowest pressure 938 mb. September 24 – October 5, 1866. Accumulated cyclone energy: 40.9. Track: NOAA National Hurricane Center, HURDAT2 best track AL061866 (public domain).
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