Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-16
Record Highs
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1: 90°F (1998)
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2: 88°F (1965)
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3: 88°F (1962)
Record Lows
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1: 35°F (2000)
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2: 36°F (2016)
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3: 36°F (1973)
Lowest Highs
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1: 66°F (2009)
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2: 65°F (2018)
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3: 65°F (2004)
Highest Lows
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1: 58°F (1989)
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2: 61°F (2003)
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3: 61°F (1996)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 63.8°F
Average high is 74.2°F
Average low is 53.3°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.97" (2014)
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2: 1.62" (1983)
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3: 0.95" (1971)
Precipitation data from 1960 to 2022.