Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-10
Record Highs
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1: 90°F (1963)
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2: 88°F (2004)
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3: 88°F (1979)
Record Lows
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1: 31°F (1983)
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2: 31°F (1966)
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3: 33°F (2020)
Lowest Highs
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1: 66°F (2007)
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2: 66°F (1979)
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3: 64°F (2019)
Highest Lows
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1: 55°F (1966)
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2: 56°F (1989)
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3: 57°F (1997)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 62.2°F
Average high is 73°F
Average low is 51.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.61" (1990)
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2: 0.69" (1995)
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3: 0.67" (2000)
Precipitation data from 1960 to 2022.