Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-27
Record Highs
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1: 73°F (1971)
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2: 69°F (2015)
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3: 67°F (2016)
Record Lows
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1: 1°F (1989)
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2: 7°F (1977)
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3: 7°F (1966)
Lowest Highs
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1: 52°F (1971)
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2: 51°F (2015)
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3: 44°F (1982)
Highest Lows
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1: 23°F (1989)
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2: 28°F (1993)
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3: 29°F (1990)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 35.2°F
Average high is 43.5°F
Average low is 27°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.04" (1964)
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2: 0.71" (2011)
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3: 0.68" (1990)
Precipitation data from 1960 to 2022.