Records for Waterloo Area, Iowa (ALOthr) on 12-31
Record Highs
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1: 59°F (1965)
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2: 54°F (1896)
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3: 51°F (2006)
Record Lows
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1: -23°F (1976)
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2: -19°F (2013)
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3: -17°F (2017)
Lowest Highs
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1: 42°F (1896)
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2: 38°F (1949)
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3: 33°F (2011)
Highest Lows
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1: -8°F (1968)
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2: -3°F (2017)
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3: -3°F (1973)
Highest December temperature:
74°F on 12-15-2021.
Lowest December temperature:
-29°F on 12-10-1919.
Average temperature is 21.1°F
Average high is 29.4°F
Average low is 12.9°F
Temperature data from 1895 to 2022.
Record Precipitation
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1: 0.62" (1977)
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2: 0.58" (2006)
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3: 0.45" (1931)
Precipitation data from 1895 to 2022.