Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 09-06
Record Highs
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1: 98°F (1983)
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2: 97°F (1998)
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3: 96°F (1985)
Record Lows
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1: 45°F (1976)
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2: 45°F (1972)
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3: 46°F (1984)
Lowest Highs
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1: 72°F (2018)
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2: 72°F (1996)
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3: 71°F (2022)
Highest Lows
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1: 63°F (2011)
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2: 64°F (1974)
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3: 68°F (2017)
Highest September temperature:
99°F on 09-02-1980.
Lowest September temperature:
30°F on 09-24-1974.
Average temperature is 72°F
Average high is 82.5°F
Average low is 61.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 5.11" (2008)
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2: 3.62" (1996)
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3: 1.32" (1974)
Precipitation data from 1960 to 2022.