Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-10
Record Highs
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1: 99°F (1993)
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2: 99°F (1988)
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3: 95°F (2007)
Record Lows
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1: 53°F (1963)
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2: 55°F (1983)
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3: 55°F (1976)
Lowest Highs
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1: 74°F (2013)
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2: 74°F (1987)
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3: 73°F (2020)
Highest Lows
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1: 73°F (1969)
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2: 77°F (1979)
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3: 79°F (2003)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77.4°F
Average high is 87.4°F
Average low is 67.4°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.63" (1995)
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2: 1.41" (2003)
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3: 1.05" (1975)
Precipitation data from 1960 to 2022.