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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                   Weather History...


June 25, 1914:

An estimated F2 tornado moved east from 6 miles southeast of Isabel. Three small homes and two barns were destroyed. Twelve tons of hay was said to have vanished.

June 25, 1969:

On the northeast side of Groton, an F2 to near F3 tornado, destroyed a large grain elevator and uprooted huge trees. Four people were hospitalized. Estimated property damage was a quarter million dollars. Also, locally heavy rains caused flash flooding in Sully and Hughes Counties. A bridge near Harrold was washed out. Some rainfall amounts include; 5.34 inches at 23N of Highmore; 4.24 at 2N of Onaka; 4.14 at 12SSW of Harrold; 3.90 at 1NW of Faulkton; and 3.73 inches at Ipswich. Unofficial reports of 6 inches fell in and around Harrold.


Record Highs: Record Lows:
Aberdeen: 106 (1936) Aberdeen: 41 (1961)
Kennebec: 111 (1936) Kennebec: 35 (1958)
Mobridge: 108 (1936) Mobridge: 37 (1929)
Pierre: 107 (1936) Pierre: 39 (1958)
Sisseton: 103 (1936) Sisseton: 43 (1958)
Timber Lake: 105 (1936) Timber Lake: 36 (1958)
Watertown: 106 (1936) Watertown: 38 (1897)
Wheaton: 106 (1988) Wheaton: 40 (1928)

Record Precipitation:
Aberdeen: 2.08" (1969)
Kennebec: 1.24" (2003)
Mobridge: 1.92" (1978)
Pierre:1.15" (1910)
Sisseton: 1.10" (1956)
Timber Lake: 1.71" (1969)
Watertown: 0.97" (1930)
Wheaton: 1.63" (2006)


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