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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February 18, 1971:

Rain started in the afternoon of the 18th and by the late in the day, temperatures dropped to below freezing resulting in a glaze up to three quarters of an inch on trees and power lines. Many utility lines were downed by the glaze or by falling trees and branches. Temperatures continued to drop during the night changing the rain to snow by the 19th. Strong winds accompanied this snow causing local blizzard conditions.


Record Highs: Record Lows:
Aberdeen: 66 (1930) Aberdeen: -32 (1903)
Kennebec: 75 (1930) Kennebec: -28 (1938)
Mobridge: 67 (1930) Mobridge: -24 (1938)
Pierre: 70 (1983) Pierre: -22 (1967)
Sisseton: 58 (1981) Sisseton: -28 (1966)
Timber Lake: 68 (1930) Timber Lake: -26 (1966)
Watertown: 64 (1913) Watertown: -26 (1903)
Wheaton: 58 (1981) Wheaton: -31 (1966)

Record Precipitation: Record Snowfall:
Aberdeen: 0.33" (1991) Aberdeen: 7.2" (1991)
Kennebec: 0.58" (1991) Kennebec: 7.0" (1991)
Mobridge: 0.20" (1952) Mobridge: 2.0" (1991)
Pierre: 0.53" (1991) Pierre: 5.3" (1991)
Sisseton: 0.60" (1991) Sisseton: 6.5" (1964)
Timber Lake: 0.45" (1991) Timber Lake: 4.0" (1991)
Watertown: 0.42" (1991) Watertown: 5.5" (1991)
Wheaton: 0.60" (1962) Wheaton: 9.0" (1952)


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