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February 21, 1969:

Heavy snow along with winds of 15 to 25 mph caused blowing and drifting snow which closed many roads. Snowfall amounts of 5 to 12 inches were common across eastern South Dakota from the 20th into the 22nd. Some snowfall amounts included, 5 inches at Clear Lake and Brookings, 6 inches at Wilmot, 7 inches at Milbank, Redfield and Mitchell, 8 inches at Conde, 9 inches at Webster, Sioux Falls, and Huron.

February 21, 1975:

Across northwest and north central South Dakota, snow driven by very strong winds created blizzard conditions. Schools were closed and traffic was halted on many roads. Snowfall amounts included, 3 inches at Timber Lake, 4 inches southeast of McLaughlin, and 8 inches at Eagle Butte.


Record Highs: Record Lows:
Aberdeen: 61 (1977) Aberdeen: -30 (1918)
Kennebec: 75 (2000) Kennebec: -25 (1936)
Mobridge: 66 (1982) Mobridge: -25 (1936)
Pierre: 73 (1982) Pierre: -17 (1936)
Sisseton: 58 (1961) Sisseton: -19 (2001)
Timber Lake: 68 (1982) Timber Lake: -21 (1941)
Watertown: 58 (2000) Watertown: -31 (1918)
Wheaton: 54 (1961) Wheaton: -29 (1918)

Record Precipitation: Record Snowfall:
Aberdeen: 0.25" (1917) Aberdeen: 2.5" (1917)
Kennebec: 0.26" (1935) Kennebec: 2.5" (1957)
Mobridge: 0.50" (1927) Mobridge: 2.2" (1972)
Pierre: 0.33" (1957) Pierre: 3.3" (1957)
Sisseton: 0.45" (1969) Sisseton: 5.0" (1962)
Timber Lake: 0.22" (1975) Timber Lake: 3.0" (1975)
Watertown: 0.50" (1957) Watertown: 3.0" (1957)
Wheaton: 0.96" (2011) Wheaton: 11.6" (2011)


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