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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February 14, 1967:

The heaviest snow fell in the central part of the state with Pierre receiving 10 inches with 14 inches reported near Harrold. Elsewhere, 1 to 4 inches of snow was common. Winds of 20 to 30 mph with gusts over 40 mph caused extensive drifting and blowing snow reducing visibilities to near zero at times. Many schools were closed and other activities canceled. Temperatures of 5 to 15 degrees below zero were common the morning of the 15th. A farmer died in the storm near Yale where his car stalled and he attempted to walk.

February 14, 1979:

High winds of 50 mph or higher and snow from a half inch to more than 14 inches moved through the state late on the 14th with winds slowly subsiding on the 16th. Visibility was reduced to near zero at the height of the storm and no travel was advised. Temperatures fell to 25 degrees below zero with wind chills to 80 to 90 below on the 15th. One man suffered frostbite after being stranded in his truck for seventeen hours. Power was lost at Wall due to high winds snapping power lines together.

February 14, 1987:

Four to eight inches of snow fell across the northern and western parts of the state. Four inches fell at Aberdeen and five inches fell at Mobridge. The snow made roads slippery. Several accidents occurred in the northeast part of the state.

Record Highs: Record Lows:
Aberdeen: 60 (1913) Aberdeen: -30 (1936)
Kennebec: 74 (1954) Kennebec: -33 (1936)
Mobridge: 66 (1954) Mobridge: -34 (1936)
Pierre: 72 (1954) Pierre: -24 (1936)
Sisseton: 53 (1999) Sisseton: -26 (1936)
Timber Lake: 66 (1954) Timber Lake: -33 (1936)
Watertown: 55 (1934) Watertown: -32 (1936)
Wheaton: 51 (1999) Wheaton: -19 (1920)

Record Precipitation: Record Snowfall:
Aberdeen: 1.05" (1915) Aberdeen: 11.0" (1915)
Kennebec: 0.50" (1918) Kennebec: 5.0" (1918)
Mobridge: 1.20" (1918) Mobridge: 12.0" (1918)
Pierre: 0.42" (1995) Pierre: 5.5" (1967)
Sisseton: 0.50" (1935) Sisseton: 4.5" (1995)
Timber Lake: 0.58" (1915) Timber Lake: 5.0" (1935)
Watertown: 0.60" (1893) Watertown: 6.0" (1893)
Wheaton: 0.26" (1935) Wheaton: 6.0" (1923) is the U.S. government's official web portal to all federal, state and local government web resources and services.