Records for Sioux Falls Area, South Dakota (FSDthr) on 08-18
Record Highs
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1: 101°F (1983)
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2: 98°F (1976)
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3: 97°F (1971)
Record Lows
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1: 44°F (2002)
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2: 45°F (1950)
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3: 45°F (1897)
Lowest Highs
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1: 77°F (1936)
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2: 75°F (1976)
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3: 74°F (1973)
Highest Lows
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1: 67°F (1956)
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2: 68°F (2015)
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3: 68°F (1963)
Highest August temperature:
109°F on 08-24-1936.
Lowest August temperature:
34°F on 08-20-1950.
Average temperature is 71.2°F
Average high is 81.3°F
Average low is 61°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.24" (1947)
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2: 1.02" (1937)
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3: 0.99" (2015)
Precipitation data from 1893 to 2022.