Records for Sioux City Area, Iowa (SUXthr) on 09-21
Record Highs
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1: 96°F (2005)
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2: 95°F (1937)
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3: 95°F (1936)
Record Lows
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1: 29°F (1999)
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2: 30°F (2000)
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3: 32°F (1997)
Lowest Highs
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1: 72°F (2016)
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2: 68°F (1940)
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3: 67°F (1920)
Highest Lows
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1: 50°F (1995)
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2: 53°F (1985)
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3: 54°F (1912)
Highest September temperature:
103°F on 09-02-2000.
Lowest September temperature:
24°F on 09-29-1945.
Average temperature is 62.5°F
Average high is 76.1°F
Average low is 48.9°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 2.01" (2006)
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2: 1.66" (1895)
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3: 0.86" (2004)
Precipitation data from 1889 to 2022.