Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-28
Record Highs
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1: 73°F (1984)
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2: 70°F (1982)
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3: 68°F (2008)
Record Lows
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1: 8°F (1966)
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2: 9°F (2017)
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3: 9°F (1977)
Lowest Highs
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1: 47°F (1982)
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2: 46°F (2008)
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3: 42°F (2018)
Highest Lows
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1: 23°F (2017)
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2: 24°F (1993)
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3: 25°F (1977)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 35.1°F
Average high is 43.3°F
Average low is 26.8°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.74" (1967)
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2: 1.08" (2018)
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3: 0.94" (1983)
Precipitation data from 1960 to 2022.