Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-15
Record Highs
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1: 98°F (1995)
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2: 97°F (1997)
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3: 97°F (1988)
Record Lows
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1: 53°F (1987)
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2: 53°F (1981)
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3: 56°F (1999)
Lowest Highs
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1: 73°F (2012)
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2: 73°F (2006)
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3: 73°F (1995)
Highest Lows
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1: 77°F (2000)
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2: 77°F (1967)
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3: 78°F (1987)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77.5°F
Average high is 87.4°F
Average low is 67.6°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.01" (2005)
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2: 0.35" (2014)
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3: 0.30" (1976)
Precipitation data from 1960 to 2022.