Records for Sioux Falls Area, South Dakota (FSDthr) on 09-21
Record Highs
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1: 93°F (1937)
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2: 92°F (2005)
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3: 92°F (1908)
Record Lows
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1: 25°F (1913)
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2: 27°F (1934)
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3: 29°F (2000)
Lowest Highs
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1: 65°F (1920)
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2: 64°F (1895)
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3: 63°F (2016)
Highest Lows
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1: 46°F (1995)
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2: 51°F (1965)
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3: 53°F (1912)
Highest September temperature:
104°F on 09-04-1913.
Lowest September temperature:
13°F on 09-29-1899.
Average temperature is 61.6°F
Average high is 73.5°F
Average low is 49.7°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.70" (1959)
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2: 1.32" (2006)
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3: 0.71" (1940)
Precipitation data from 1893 to 2022.