Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-11
Record Highs
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1: 90°F (1993)
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2: 89°F (1987)
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3: 87°F (2005)
Record Lows
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1: 29°F (1966)
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2: 32°F (1983)
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3: 34°F (1972)
Lowest Highs
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1: 66°F (2004)
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2: 65°F (1979)
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3: 64°F (2015)
Highest Lows
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1: 55°F (2010)
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2: 56°F (1989)
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3: 58°F (2008)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 62.5°F
Average high is 73.2°F
Average low is 51.8°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 3.73" (2008)
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2: 1.73" (2017)
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3: 0.78" (2006)
Precipitation data from 1960 to 2022.