This Day in National/World Weather History ...
 23 July 1946 → Eight homes were damaged when an F1 tornado hit the northwest edge of Concord, NH. A boy was killed when a shed collapsed.
 23 July 2003 → Betsy the Giraffe was killed when struck by lightning at the Disney Animal Kingdom. The animals are usually brought into shelter during severe weather, but this storm came with too little warning.
 23 July 2010 → The U.S.'s largest (by diameter) and heaviest hailstone on record fell on Vivian, SD. The stone was 8 inches in diameter and weighed 1.9 pounds. The person who found the stone reported that some melting had occurred before the official measurement was taken.

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December 5, 1960:

A storm dropped snow on the entire region from the morning of the 4th to the late afternoon of the 5th, with the greatest amounts in the western, central and north central parts of South Dakota. Five to 10 inches of snow fell in these areas. The heaviest snowfall amounts occurred in the extreme southwest part of the state, as well as the triangular area in the north central part of the state between Mobridge, Pierre, and Aberdeen. The snow, blown by winds of 30 to 40 mph, caused extensive drifting of streets and highways. A brief period of freezing rain preceded the snow and added to hazardous, if not impassible, driving conditions on roads. Schools were closed for one to two days, with 27 towns reporting closed schools in the Aberdeen area alone. Telephone and power disruption was widespread in central and north central counties of the state, as poles and wires were broken by a combination of ice, snow, and wind. The storm produced mostly rain in the extreme eastern counties of South Dakota into west central Minnesota, with a narrow band of freezing rain preceding light snow immediately to the west. No serious automobile accidents or property damage was reported in this area of freezing rain and light snow. Lightning and thunder was widely observed in southeast South Dakota on both the 4th and 5th and marked the first December occurrence of lightning and thunder on record at Sioux Falls.

December 5, 1976:

Cold Canadian air moved across South Dakota during the day on Sunday, December 5th. Strong winds gusted to 63 mph at Philip and to 55 mph at Rapid City. One to two inches of snow fell over all of South Dakota; however, many counties in the southeast, south central, and east central parts of the state received amounts varying from three to five inches. After this storm, night time temperatures fell to below zero. Snowfall amounts included 2 inches at Pierre, Aberdeen, and Watertown; and 3 inches at Redfield and Clear Lake.


Record Highs: Record Lows:
Aberdeen: 57 (1939) Aberdeen: -25 (2005)
Kennebec: 68 (1939) Kennebec: -16 (2002)
Mobridge: 65 (1939) Mobridge: -20 (2005)
Pierre: 70 (1939) Pierre: -15 (1950)
Sisseton: 62 (1939) Sisseton: -13 (2005)
Timber Lake: 64 (1988) Timber Lake: -15 (2005)
Watertown: 59 (1939) Watertown: -17 (2005)
Wheaton: 51 (1990) Wheaton: -10 (2000)

Record Precipitation: Record Snowfall:
Aberdeen: 0.41" (1936) Aberdeen: 5.0" (1936)
Kennebec: 0.22" (1936) Kennebec: 3.0" (1983)
Mobridge: 0.29" (1969) Mobridge: 2.7" (1960)
Pierre: 0.45" (1906) Pierre: 3.1" (1906)
Sisseton: 0.83" (1960) Sisseton: 5.0" (1936)
Timber Lake: 0.39" (1960) Timber Lake: 6.0" (1960)
Watertown: 0.22" (1936) Watertown: 4.0" (1936)
Wheaton: 0.65" (1960) Wheaton: 3.0" (1991)


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