Records for Sioux City Area, Iowa (SUXthr) on 08-21
Record Highs
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1: 99°F (1955)
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2: 99°F (1947)
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3: 98°F (1942)
Record Lows
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1: 47°F (2004)
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2: 47°F (1939)
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3: 48°F (1956)
Lowest Highs
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1: 75°F (1968)
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2: 75°F (1918)
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3: 74°F (2014)
Highest Lows
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1: 64°F (1961)
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2: 67°F (1945)
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3: 71°F (1986)
Highest August temperature:
108°F on 08-04-1934.
Lowest August temperature:
37°F on 08-20-1950.
Average temperature is 71°F
Average high is 82.3°F
Average low is 59.8°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 4.28" (1961)
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2: 1.47" (2017)
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3: 0.96" (1893)
Precipitation data from 1889 to 2022.