Records for Sioux Falls Area, South Dakota (FSDthr) on 09-18
Record Highs
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1: 94°F (1947)
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2: 92°F (1940)
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3: 92°F (1920)
Record Lows
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1: 27°F (1902)
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2: 30°F (1991)
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3: 30°F (1929)
Lowest Highs
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1: 75°F (1947)
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2: 70°F (1910)
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3: 68°F (1955)
Highest Lows
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1: 45°F (1991)
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2: 50°F (2010)
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3: 50°F (1965)
Highest September temperature:
104°F on 09-04-1913.
Lowest September temperature:
13°F on 09-29-1899.
Average temperature is 62.7°F
Average high is 74.5°F
Average low is 50.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.07" (1986)
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2: 1.84" (1926)
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3: 1.42" (1968)
Precipitation data from 1893 to 2022.