Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-29
Record Highs
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1: 103°F (2011)
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2: 97°F (1993)
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3: 96°F (2019)
Record Lows
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1: 52°F (2014)
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2: 53°F (1978)
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3: 53°F (1977)
Lowest Highs
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1: 74°F (2002)
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2: 73°F (2010)
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3: 73°F (1964)
Highest Lows
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1: 66°F (2001)
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2: 72°F (1972)
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3: 73°F (1991)
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°F
Average low is 67.3°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 0.92" (2001)
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2: 0.72" (1974)
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3: 0.69" (1971)
Precipitation data from 1960 to 2022.