Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-06
Record Highs
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1: 102°F (1977)
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2: 100°F (2010)
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3: 99°F (1999)
Record Lows
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1: 45°F (1979)
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2: 52°F (1983)
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3: 52°F (1970)
Lowest Highs
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1: 76°F (2012)
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2: 73°F (2018)
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3: 73°F (2013)
Highest Lows
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1: 73°F (1972)
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2: 76°F (1983)
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3: 78°F (2001)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77.1°F
Average high is 87.1°F
Average low is 67°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.68" (2017)
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2: 0.64" (1995)
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3: 0.50" (2015)
Precipitation data from 1960 to 2022.