This Day in National/World Weather History ...
 18 September 1988 → In Cold Bay, AK, winds up to 75 mph and gusts up to 96 mph were caused by the remnants of Typhoon Hal.
 18 September 1991 → Duluth, MN, saw 2.4" of snow, making it their earliest snow on record and heaviest September snowfall by almost an inch.
 18 September 2003 → Though Hurricane Isabel had reached Category 5 status as it crossed the entire width of the Atlantic Ocean, it had weakened to a Category 2 by the time it made landfall in North Carolina on this date. Nevertheless, flooding was extreme as the storm produced up to 20 inches of rainfall in North Carolina and Virginia.

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April 30, 1942:

Three farms were hit by a tornado near the Northeastern edge of Castlewood. One barn was blown apart and debris was blown into the house, killing one person. Damage was estimated at $20,000. Tornado strength was estimated to be an F2.


Record Highs: Record Lows:
Aberdeen: 98 (1992) Aberdeen: 5 (1966)
Kennebec: 99 (1992) Kennebec: 17 (1966)
Mobridge: 96 (1992) Mobridge: 18 (1960)
Pierre: 96 (1992) Pierre: 23 (1966)
Sisseton: 93 (1992) Sisseton: 19 (1903)
Timber Lake: 95 (1992) Timber Lake: 14 (1950)
Watertown: 92 (1992) Watertown: 12 (1966)
Wheaton: 94 (1992) Wheaton: 19 (1966)

Record Precipitation: Record Snowfall:
Aberdeen: 1.58" (1953) Aberdeen: 1.2" (1954)
Kennebec: 1.55" (1895) Kennebec: 2.0" (1954)
Mobridge: 0.75" (1972) Mobridge: 0.1 (1940)
Pierre: 1.00" (1942) Pierre: 0.5" (1956)
Sisseton: 2.05" (1942) Sisseton: 4.0" (1954)
Timber Lake: 1.02" (1953) Timber Lake: 0.0"
Watertown: 1.58" (1936) Watertown: 1.0" (1954)
Wheaton: 1.34" (1947) Wheaton: 3.0" (1950)


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