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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February 5, 1978:

Another winter blizzard plagued the northern half of the state beginning on February 5th and continuing until the 9th. The unusual aspect of this blizzard was that the wind came from the southeast between 25 to 45 mph. Only one to three inches of new snow accumulation fell during the five-day period but was piled high on the existing large snow drifts. Most of the northern half of the state was paralyzed due to blocked roads. Eighteen counties across the northern part of the state were declared a disaster by the governor. There was also numerous livestock losses.


Record Highs: Record Lows:
Aberdeen: 57 (1991) Aberdeen: -36 (1907)
Kennebec: 64 (1991) Kennebec: -39 (1936)
Mobridge: 51 (1991) Mobridge: -30 (1936)
Pierre: 61 (1991) Pierre: -25 (1936)
Sisseton: 60 (1963) Sisseton: -29 (1936)
Timber Lake: 56 (1991) Timber Lake: -32 (1936)
Watertown: 55 (1963) Watertown: -31 (1936)
Wheaton: 60 (1963) Wheaton: -31 (1982)

Record Precipitation: Record Snowfall:
Aberdeen: 1.00" (1915) Aberdeen: 10.0" (1915)
Kennebec: 0.40" (1914) Kennebec: 4.0" (1914)
Mobridge: 0.28" (1946) Mobridge: 3.4" (1946)
Pierre: 0.20" (1976) Pierre: 4.5" (1944)
Sisseton: 0.35" (2011) Sisseton: 3.2" (2011)
Timber Lake: 0.27" (1946) Timber Lake: 2.8" (2010)
Watertown: 1.18" (1946) Watertown: 13.5" (1946)
Wheaton: 0.70" (1946) Wheaton: 4.0" (1967)


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