Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 04-20
Record Highs
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1: 88°F (1985)
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2: 88°F (1976)
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3: 86°F (2011)
Record Lows
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1: 28°F (1974)
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2: 29°F (2018)
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3: 29°F (1988)
Lowest Highs
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1: 63°F (1996)
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2: 61°F (2004)
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3: 57°F (1976)
Highest Lows
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1: 50°F (1991)
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2: 51°F (1983)
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3: 56°F (1962)
Highest April temperature:
93°F on 04-06-2010.
Lowest April temperature:
17°F on 04-01-1969.
Average temperature is 56.3°F
Average high is 67.9°F
Average low is 44.6°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 2.90" (2008)
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2: 1.63" (2009)
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3: 0.74" (2015)
Precipitation data from 1960 to 2022.