Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 08-15
Record Highs
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1: 102°F (1988)
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2: 99°F (1985)
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3: 96°F (2016)
Record Lows
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1: 45°F (1964)
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2: 47°F (1983)
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3: 51°F (1963)
Lowest Highs
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1: 75°F (1988)
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2: 73°F (2006)
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3: 73°F (2005)
Highest Lows
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1: 66°F (1992)
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2: 73°F (2022)
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3: 74°F (1979)
Highest August temperature:
104°F on 08-20-1983.
Lowest August temperature:
38°F on 08-29-1982.
Average temperature is 76°F
Average high is 86.2°F
Average low is 65.8°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.18" (2019)
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2: 1.74" (1976)
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3: 0.85" (2021)
Precipitation data from 1960 to 2022.