Records for Sioux City Area, Iowa (SUXthr) on 05-21
Record Highs
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1: 94°F (1973)
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2: 92°F (1970)
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3: 92°F (1956)
Record Lows
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1: 31°F (1895)
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2: 32°F (1931)
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3: 35°F (2003)
Lowest Highs
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1: 70°F (1927)
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2: 69°F (1970)
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3: 69°F (1921)
Highest Lows
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1: 52°F (2019)
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2: 52°F (1945)
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3: 52°F (1899)
Highest May temperature:
106°F on 05-14-2013.
Lowest May temperature:
23°F on 05-01-1909.
Average temperature is 61.7°F
Average high is 73.6°F
Average low is 49.8°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 1.75" (1945)
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2: 1.31" (1949)
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3: 1.31" (1916)
Precipitation data from 1889 to 2022.