Records for Sioux City Area, Iowa (SUXthr) on 12-31
Record Highs
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1: 60°F (1904)
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2: 54°F (1999)
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3: 50°F (1965)
Record Lows
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1: -24°F (2017)
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2: -19°F (1968)
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3: -18°F (1946)
Lowest Highs
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1: 36°F (1890)
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2: 35°F (1920)
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3: 35°F (1896)
Highest Lows
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1: -7°F (1927)
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2: -5°F (2017)
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3: -3°F (1968)
Highest December temperature:
71°F on 12-06-1939.
Lowest December temperature:
-28°F on 12-29-1917.
Average temperature is 19.7°F
Average high is 29.7°F
Average low is 9.7°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 1.10" (1931)
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2: 0.54" (1916)
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3: 0.38" (2006)
Precipitation data from 1889 to 2022.