This Day in National/World Weather History ...
 30 July 1119 → The earliest tornado reported on the European mainland struck Vysehrad, Czechia (today Prague, Czech Republic). It destroyed the palace of a Czech duke.
 30 July 1997 → Two waterspouts moved onshore in northern Virginia Beach, VA. One tracked into Norfolk.
 30 July 1999 → At nine o'clock in the morning Chicago recorded its highest ever dew point temperature of 82 degrees. The temperature at the time was 88, resulting in a heat index of 108. The dew point is an indication of the amount of moisture in the air.

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September 6, 2000:

Eight miles southwest of Miller, ninety mph winds destroyed three barns and a small garage along with severely damaging a creeper feeder and an enclosed trailer. Another building was moved from its foundation and damaged. An empty school bus was rolled several times before it came to rest atop a fence. Also, a window was broken out of the house.


Record Highs: Record Lows:
Aberdeen: 103 (1970) Aberdeen: 32 (1956)
Kennebec: 107 (1976) Kennebec: 32 (1956)
Mobridge: 102 (1976) Mobridge: 31 (1929)
Pierre: 107 (1976) Pierre: 36 (1956)
Sisseton: 98 (1978) Sisseton: 36 (1956)
Timber Lake: 102 (1976) Timber Lake: 30 (1929)
Watertown: 101 (1893) Watertown: 32 (1929)
Wheaton: 98 (1978) Wheaton: 35 (1929)

Record Precipitation:
Aberdeen: 1.20" (1992)
Kennebec: 1.72" (1948)
Mobridge: 1.25" (1911)
Pierre: 1.46" (1911)
Sisseton: 1.70" (1938)
Timber Lake: 0.97" (1981)
Watertown: 1.12" (2007)
Wheaton: 1.04" (1925)


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