🌀 Unnamed · Category 1 · 80 mph

Tuesday, September 4, 1866 · 12:00 AM – 6:00 AM

Category 1 hurricane: peak winds of 80 mph (70 knots). September 4 – September 7, 1866. Accumulated cyclone energy: 6.6. Track: NOAA National Hurricane Center, HURDAT2 best track AL031866 (public domain).