Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-11
Record Highs
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1: 98°F (1988)
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2: 97°F (1993)
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3: 95°F (1989)
Record Lows
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1: 52°F (1983)
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2: 53°F (1997)
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3: 53°F (1996)
Lowest Highs
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1: 74°F (1989)
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2: 72°F (2021)
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3: 72°F (1982)
Highest Lows
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1: 74°F (1965)
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2: 78°F (2000)
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3: 78°F (1971)
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: 3.71" (2013)
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2: 1.34" (1960)
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3: 1.12" (1977)
Precipitation data from 1960 to 2022.