Records for Sioux Falls Area, South Dakota (FSDthr) on 08-21
Record Highs
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1: 98°F (1968)
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2: 98°F (1959)
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3: 98°F (1947)
Record Lows
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1: 40°F (2004)
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2: 44°F (1986)
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3: 45°F (1925)
Lowest Highs
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1: 77°F (1968)
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2: 77°F (1947)
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3: 74°F (1910)
Highest Lows
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1: 65°F (1961)
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2: 69°F (2009)
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3: 69°F (1966)
Highest August temperature:
109°F on 08-24-1936.
Lowest August temperature:
34°F on 08-20-1950.
Average temperature is 70.5°F
Average high is 80.7°F
Average low is 60.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.28" (2002)
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2: 2.15" (2017)
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3: 2.12" (1975)
Precipitation data from 1893 to 2022.