Records for Islip Area, New York (ISPthr) on 08-04
Record Highs
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1: 91°F (2006)
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2: 91°F (2005)
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3: 91°F (1989)
Record Lows
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1: 51°F (1964)
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2: 54°F (1965)
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3: 55°F (1966)
Lowest Highs
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1: 76°F (2012)
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2: 75°F (1988)
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3: 75°F (1980)
Highest Lows
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1: 75°F (2021)
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2: 75°F (1964)
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3: 77°F (1985)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 75.6°F
Average high is 80.6°F
Average low is 70.6°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.55" (1979)
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2: 1.42" (1969)
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3: 1.05" (1978)
Precipitation data from 1963 to 2022.