This Day in National/World Weather History ...
21 May 1857 → In Baghdad, Iraq a dust storm lasted the entire day. Then at about 5 pm, a darkness set in, deeper than the darkest night, and terrorized local residents.
21 May 1918 → An F5 tornado swept foundations bare along a 37 mile path from Carroll County to Webster County, IA. Mattresses were found two miles away, and 4 people were killed.
21 May 1950 → A tornado was on the ground for 66 miles from Buckinghamshire to Cambridgeshire, resulting in the longest track of any English tornado.

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August 31, 1977:

Strong winds accompanying thunderstorms moved across the southern part of Brown County during the early morning hours. A barn was destroyed three miles west of Warner. Many trees were damaged in the Stratford area. A large, empty fuel tank, southeast of Watertown was folded inward by strong winds. High wind damage was also reported in Faulk and Day Counties.


Record Highs: Record Lows:
Aberdeen: 98 (1921) Aberdeen: 32 (1987)
Kennebec: 105 (2000) Kennebec: 35 (1974)
Mobridge: 101 (1953) Mobridge: 39 (1958)
Pierre: 103 (1960) Pierre: 39 (1974)
Sisseton: 94 (1948) Sisseton: 39 (1987)
Timber Lake: 100 (1953) Timber Lake: 38 (1994)
Watertown: 94 (1930) Watertown: 38 (1987)
Wheaton: 95 (1953) Wheaton: 39 (1967)

Record Precipitation:
Aberdeen: 0.75" (1977)
Kennebec: 1.15" (1908)
Mobridge: 0.59" (1956)
Pierre: 1.83" (1942)
Sisseton: 1.54" (1942)
Timber Lake: 0.50" (1977)
Watertown: 0.98" (1977)
Wheaton: 3.95" (1982)

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