Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-13
Record Highs
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1: 97°F (1986)
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2: 97°F (1966)
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3: 96°F (1993)
Record Lows
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1: 52°F (1978)
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2: 53°F (1974)
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3: 56°F (2001)
Lowest Highs
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1: 75°F (2021)
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2: 74°F (2016)
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3: 72°F (2014)
Highest Lows
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1: 66°F (1990)
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2: 74°F (1975)
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3: 75°F (2000)
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 67.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.30" (1975)
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2: 1.12" (1996)
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3: 1.06" (2008)
Precipitation data from 1960 to 2022.