This Day in National/World Weather History ...
 30 October 1948 → The Donora, PA smog disaster finally came to an end. For five days pollution from industry in the area was trapped in the lower atmosphere over the Monongahela Valley, killing 20 people and making 2000 people sick.
 30 October 2004 → University of Hawaii students visiting the library had to escape through a window due to surging flood waters.
 30 October 2011 → An unusually severe early season winter storm swept up the Appalachians into New England. Over a foot of snow fell from West Virginia to Maine, with more than two feet in the mountains of Massachusetts and New Hampshire. Winds over 50 mph were reported on Nantucket Island and Martha's Vineyard.

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May 13, 1986:

A rare, Washington State tornado briefly touched down near Trafton, about 40 miles north-northeast of Seattle. Although short lived, witnesses observed the tornado destroying several pine trees, and lifting debris as high as 500 feet into the air.

May 13, 2005:

Runoff from heavy rain resulted in minor flooding along the White River from south of Belvidere to Oacoma, affecting mainly agricultural land along the river. The river rose over its banks and flooded U.S. Highway 83 south of Murdo for a short time. No property damage was reported.


Record Highs: Record Lows:
Aberdeen: 97 (1932) Aberdeen: 24 (1899)
Kennebec: 103 (2007) Kennebec: 24 (1966)
Mobridge: 95 (1932) Mobridge: 24 (1945)
Pierre: 99 (1941) Pierre: 24 (1953)
Sisseton: 92 (1932) Sisseton: 26 (1953)
Timber Lake: 94 (1941) Timber Lake: 25 (1953)
Watertown: 92 (1932) Watertown: 25 (1953)
Wheaton: 92 (1932) Wheaton: 26 (1953)

Record Precipitation: Record Snowfall:
Aberdeen: 0.82" (1958) Aberdeen: 1.0" (1924)
Kennebec: 1.40" (1908)
Mobridge: 0.60" (1933)
Pierre: 2.72" (1982)
Sisseton: 2.25" (1942)
Timber Lake: 1.18" (1916)
Watertown: 1.35" (1957)
Wheaton: 1.51" (1942)


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