Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-23
Record Highs
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1: 92°F (2021)
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2: 92°F (1964)
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3: 90°F (2004)
Record Lows
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1: 39°F (2002)
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2: 39°F (1990)
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3: 39°F (1971)
Lowest Highs
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1: 70°F (2004)
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2: 65°F (2010)
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3: 65°F (1987)
Highest Lows
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1: 56°F (2003)
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2: 60°F (1968)
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3: 62°F (1982)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 65.6°F
Average high is 75.7°F
Average low is 55.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.40" (2010)
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2: 1.41" (2012)
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3: 1.28" (1988)
Precipitation data from 1960 to 2022.