Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-16
Record Highs
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1: 104°F (1988)
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2: 101°F (1980)
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3: 96°F (2012)
Record Lows
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1: 57°F (1991)
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2: 57°F (1967)
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3: 57°F (1966)
Lowest Highs
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1: 74°F (2013)
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2: 73°F (2020)
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3: 73°F (2005)
Highest Lows
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1: 74°F (1989)
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2: 75°F (1978)
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3: 76°F (1981)
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: 1.65" (1989)
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2: 0.48" (1975)
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3: 0.30" (2010)
Precipitation data from 1960 to 2022.