Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 05-26
Record Highs
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1: 92°F (2021)
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2: 92°F (2007)
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3: 90°F (2019)
Record Lows
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1: 38°F (1967)
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2: 41°F (1972)
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3: 43°F (1988)
Lowest Highs
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1: 71°F (2018)
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2: 70°F (1991)
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3: 68°F (2021)
Highest Lows
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1: 55°F (1992)
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2: 57°F (1973)
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3: 58°F (1976)
Highest May temperature:
97°F on 05-29-1969.
Lowest May temperature:
28°F on 05-07-1970.
Average temperature is 66.4°F
Average high is 76.5°F
Average low is 56.4°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 3.59" (2009)
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2: 1.59" (2002)
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3: 0.96" (2003)
Precipitation data from 1960 to 2022.