This Day in National/World Weather History ...
 21 August 1883 → What was likely an F5 tornado devastated the north side of Rochester, MN. The tornado derailed a train and leveled farms. 40 people were killed.
 21 August 1888 → A "grand spectacle" of four waterspouts near Jacobson, MD overturned boats and moved ashore. 15 people were injured. Another tornado moved east-northeast near Still Pond, MD killing 10 people in a cannery. A total of 11 deaths and 40 injuries were reported from this tornado.
 21 August 1918 → Tyler, MN suffered a direct hit by an F4 tornado. Six hundred buildings were damaged or destroyed and 36 lives were taken, including three when the town's hospital was struck.
 21 August 1984 → The State Fair in Pueblo, CO had to be closed during a vicious hailstorm. Nine people were hurt, including one seriously.

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October 19, 1982:

An early fall snowstorm dropped 3 to 12 inches of wet snow over the southeastern corner of South Dakota. The wet snow combined with the gusty winds of 20 to 40 mph dropped wind chills to around zero. Numerous trees snapped downing power lines. Power outages were extensive from Vermillion to Mitchell. Thunder rumbled and lightning flashed amidst the height of the snowstorm. Almost a foot of snow fell in northern Union and southern Lincoln counties. High wind gusts knocked out television and radio transmitters in Sioux Falls. The weight of the snow collapsed a panel on the covered stadium at the University of South Dakota at Vermillion.


Record Highs: Record Lows:
Aberdeen: 86 (1958) Aberdeen: 10 (1917)
Kennebec: 92 (1958) Kennebec: 7 (1917)
Mobridge: 89 (1914) Mobridge: 13 (1960)
Pierre: 87 (1955) Pierre: 17 (1960)
Sisseton: 88 (2003) Sisseton: 12 (1972)
Timber Lake: 87 (1927) Timber Lake: 12 (1960)
Watertown: 85 (2003) Watertown: 13 (1972)
Wheaton: 89 (2003) Wheaton: 10 (1972)

Record Precipitation:
Aberdeen: 1.50" (1908) Aberdeen: 3.0" (1905)
Kennebec: 0.72" (1982) Timber Lake: 3.0" (1916)
Mobridge: 3.23" (1908) Mobridge: 0.8" (1932)
Pierre: 1.23" (1908)
Sisseton: 1.34" (1984) Sisseton: 2.0" (1976)
Timber Lake: 2.02" (1983) Timber Lake: 1.0" (1932)
Watertown: 0.79" (1984) Watertown: 1.3" (1982)
Wheaton: 1.93" (1984)


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