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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October 11, 1987:

More than thirty cities in the Upper Midwest reported record low temperatures for the date, including Waterloo IA and Scottsbluff NE where the mercury dipped to 16 degrees. Tropical Storm Floyd brought heavy rain to southern Florida, moisture from Hurricane Ramon produced heavy rain in southern California, and heavy snow blanketed the mountains of New York State and Vermont.

October 11, 1989:

Much of the nation enjoyed "Indian Summer" type weather. Nine cities in the central U.S. reported record highs for the date as temperatures warmed into the 80s and 90s. Record highs included 90 degrees at Grand Island NE and 97 degrees at Waco TX. Strong winds along a cold front crossing the Northern High Plains Region gusted to 80 mph at Ames Monument WY during the early morning.


Record Highs: Record Lows:
Aberdeen: 89 (1910) Aberdeen: 16 (1935)
Kennebec: 97 (1910) Kennebec: 14 (1896)
Mobridge: 90 (1943) Mobridge: 19 (1946)
Pierre: 88 (1943) Pierre: 16 (2009)
Sisseton: 84 (1974) Sisseton: 15 (1935)
Timber Lake: 88 (1943) Timber Lake: 14 (2009)
Watertown: 88 (1934) Watertown: 20 (1959)
Wheaton: 87 (1995) Wheaton: 20 (1919)

Record Precipitation:
Aberdeen: 1.38" (1961) Aberdeen: 0.2" (2009)
Kennebec: 1.30" (1973)
Mobridge: 1.43" (1973) Mobridge: 1.2" (2009)
Pierre: 1.73" (1973) Pierre: 0.5" (2009)
Sisseton: 0.76" (1947)
Timber Lake: 1.15" (1947)
Watertown: 0.65" (2003) Watertown: 0.5" (2006)
Wheaton: 0.70" (1997)


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