Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-14
Record Highs
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1: 89°F (2010)
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2: 88°F (1991)
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3: 87°F (2004)
Record Lows
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1: 32°F (2013)
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2: 32°F (1996)
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3: 35°F (1997)
Lowest Highs
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1: 66°F (2004)
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2: 63°F (2022)
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3: 61°F (2012)
Highest Lows
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1: 55°F (1967)
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2: 56°F (1968)
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3: 57°F (1986)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 63.2°F
Average high is 73.8°F
Average low is 52.7°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.87" (2018)
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2: 1.31" (2005)
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3: 1.05" (1978)
Precipitation data from 1960 to 2022.