Records for Waterloo Area, Iowa (ALOthr) on 12-30
Record Highs
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1: 60°F (1965)
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2: 59°F (1929)
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3: 57°F (2004)
Record Lows
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1: -19°F (1976)
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2: -18°F (1917)
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3: -16°F (1914)
Lowest Highs
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1: 35°F (1931)
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2: 34°F (2006)
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3: 33°F (2011)
Highest Lows
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1: -3°F (1990)
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2: 1°F (2017)
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3: 3°F (1976)
Highest December temperature:
74°F on 12-15-2021.
Lowest December temperature:
-29°F on 12-10-1919.
Average temperature is 21.4°F
Average high is 29.6°F
Average low is 13.1°F
Temperature data from 1895 to 2022.
Record Precipitation
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1: 1.40" (1906)
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2: 0.53" (1936)
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3: 0.50" (2011)
Precipitation data from 1895 to 2022.