This Day in National/World Weather History ...
 17 September 1932 → A tropical storm struck the Annapolis Valley in the Canadian Maritimes, destroying 300,000 barrels of apples in Nova Scotia. A second tropical storm would strike Nova Scotia just seven days later.
 17 September 1936 → Tropical storm remnants brought up to 30 inches of rain to central Texas, resulting in massive flooding. In San Angelo the Concho River reached one of its highest stages on record and inundated the city. One thousand homes were damaged or destroyed, two bridges were swept away, and there were 100 rescues performed. Water was six feet deep in the lobby of the Naylor Hotel.
 17 September 1947 → The Fort Lauderdale Hurricane struck the east coast of Florida as a high-end Category 4, resulting in 51 fatalities. Hurricane force winds extended 120 miles out from the center, and produced the highest measured ground wind speeds in a Florida hurricane until Hurricane Andrew. The storm then crossed the Gulf of Mexico and produced 110 mph winds at New Orleans.
 17 September 2004 → Flooding and mudslides killed more than 3,000 people in Haiti in Hurricane Jeanne.

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August 17, 1961:

Heavy rain was observed during the overnight hours on the 17th through the early morning hours on the 18th. Some rainfall amounts include, 4.13 inches in Clark, 2.52 inches 1 W of Summit, 2.50 in Andover, 2.20 in Waubay, 2.15 in Wilmot, 2.12 in Wheaton, and 2.10 in Clear Lake.

August 17, 2007:

An estimated four to six inches of rain and hail to the size of baseballs caused localized flooding between Piedmont and Tilford in Meade County, especially near poor drainage areas and at a barricade along a frontage road. The water washed over several roads and was several inches deep over Interstate 90, forcing law enforcement officials to close it for a couple of hours. Heavy rain estimated at four to six inches fell west of Hermosa in Custer County between 6 pm and 8 pm MST. Battle and Grace Coolidge Creeks overflowed their banks and several dry canyons filled with water and drained into the creeks. State highways 40 and 36 were flooded in numerous spots. A river gauge on Battle Creek just east of Hermosa crested at 14.91 feet at 9 pm, rising from 2.63 ft at 7:30 pm and above the flood stage of 8.0 feet. About six inches of water covered Highway 79 at the Battle Creek bridge. A railroad bridge about 3/4 mile downstream became clogged with debris and water rose behind the embankment and flooded six homes. At about 8:30 pm MST, a section of the embankment failed, flooding a new subdivision on the other side. All of the approximately 20 houses were damaged; three homes were washed off their foundations, and one of those houses was carried a half a mile east of the subdivision by the flowing water. There were no injuries.


Record Highs: Record Lows:
Aberdeen: 104 (1976) Aberdeen: 39 (2012)
Kennebec: 107 (1973) Kennebec: 37 (1943)
Mobridge: 105 (2003) Mobridge: 39 (1943)
Pierre: 108 (1976) Pierre: 41 (2012)
Sisseton: 102 (1976) Sisseton: 42 (2012)
Timber Lake: 105 (1973) Timber Lake: 41 (1944)
Watertown: 98 (1976) Watertown: 39 (1943)
Wheaton: 103 (1988) Wheaton: 45 (1963)

Record Precipitation:
Aberdeen: 3.25" (1990)
Kennebec: 1.33" (1930)
Mobridge: 4.43" (2007)
Pierre: 0.71" (1940)
Sisseton: 1.87" (2005)
Timber Lake: 1.21" (1940)
Watertown: 1.60" (2005)
Wheaton: 1.50" (1948)


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