This Day in National/World Weather History ...
 23 October 1091 → England's earliest known tornado was also one of its strongest on record. It has been rated as an EF4, and devastated central London. The church at St. Mary le Bow was badly damaged with four rafters, each 26 feet long, driven 22 feet into the ground. Other churches in the area were demolished, as were over 600 houses. London Bridge was destroyed.
 23 October 1761 → A violent hurricane struck New England, causing tremendous damage in Rhode Island and Massachusetts.
 23 October 1920 → Tetsuya Fujita, inventor of the Fujita Scale, was born.
 23 October 2002 → Visibility was reduced to less than 100 meters during the Australian Dust Storm. It was the worst dust storm in 30 years.

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May 19, 1982:

With the ground in the Black Hills already saturated from heavy rains the previous week, developing thunderstorms were not a welcome sight. The thunderstorms produced additional heavy rains including 3.58 inches at Spearfish, 3.32 inches at Cheyenne Crossing, and 0.82 of an inch in twelve minutes at Hot Springs. With Flash Flood Warnings in effect for much of the area water came out of the banks of many streams causing widespread damage in the Hills. A diversion Dam broke at Spearfish causing a mud slide to cover some roads. In Deadwood the main water line broke leaving the city temporarily without water. Homes were evacuated at Nisland, Hot Springs, and Bridger. Damage throughout the Black Hills included washed out bridges, flooded basements, several breached dams, and roads completely washed away.


Record Highs: Record Lows:
Aberdeen: 97 (1932) Aberdeen: 28 (2002)
Kennebec: 99 (1925) Kennebec: 24 (1895)
Mobridge: 101 (1992) Mobridge: 26 (1915)
Pierre: 102 (1992) Pierre: 33 (2002)
Sisseton: 98 (1934) Sisseton: 32 (2002)
Timber Lake: 98 (1992) Timber Lake: 30 (1915)
Watertown: 93 (1934) Watertown: 28 (2002)
Wheaton: 92 (1992) Wheaton: 32 (1929)

Record Precipitation:
Aberdeen: 1.07" (1918)
Kennebec: 0.82" (1990)
Mobridge: 0.70" (1912)
Pierre: 2.42" (1921)
Sisseton: 0.78" (1990)
Timber Lake: 1.93" (2013)
Watertown: 1.00" (1918)
Wheaton: 1.36" (1918)


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