Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 09-07
Record Highs
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1: 95°F (1985)
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2: 95°F (1983)
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3: 94°F (2016)
Record Lows
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1: 41°F (1976)
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2: 42°F (1984)
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3: 45°F (1962)
Lowest Highs
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1: 72°F (2018)
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2: 70°F (2007)
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3: 69°F (1998)
Highest Lows
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1: 68°F (1974)
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2: 71°F (1975)
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3: 72°F (2017)
Highest September temperature:
99°F on 09-02-1980.
Lowest September temperature:
30°F on 09-24-1974.
Average temperature is 71.7°F
Average high is 82.2°F
Average low is 61.2°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.11" (2011)
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2: 0.62" (2022)
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3: 0.56" (1969)
Precipitation data from 1960 to 2022.