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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July 5, 1936:

Three record high temperatures were set on this day. Near Gann Valley, the temperature reached 120 degrees, setting the state record. The state record was tied on July 15, 2006 at 17 miles WSW of Fort Pierre. Other record highs on this date include 119 degrees in Kennebec and 116 degrees in Murdo. The record highs near Gann Valley, Kennebec, and Murdo are all-time highs for each location.


Record Highs: Record Lows:
Aberdeen: 108 (1936) Aberdeen: 35 (1915)
Kennebec: 119 (1936) Kennebec: 37 (1915)
Mobridge: 109 (1936) Mobridge: 38 (1915)
Pierre: 113 (1989) Pierre: 44 (1972)
Sisseton: 103 (1988) Sisseton: 46 (1992)
Timber Lake: 109 (1936) Timber Lake: 40 (1915)
Watertown: 100 (1988) Watertown: 42 (1899)
Wheaton: 102 (1988) Wheaton: 44 (1915)

Record Precipitation:
Aberdeen: 2.98" (1944)
Kennebec: 1.37" (1900)
Mobridge: 1.46" (1914)
Pierre: 1.20" (1908)
Sisseton: 1.40" (1998)
Timber Lake: 1.05" (1914)
Watertown: 1.22" (1964)
Wheaton: 1.45" (1998)

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