Records for Islip Area, New York (ISPthr) on 08-16
Record Highs
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1: 90°F (2018)
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2: 90°F (2001)
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3: 90°F (1997)
Record Lows
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1: 50°F (1972)
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2: 54°F (1994)
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3: 54°F (1979)
Lowest Highs
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1: 76°F (1969)
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2: 75°F (2016)
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3: 75°F (2002)
Highest Lows
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1: 66°F (1992)
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2: 69°F (2020)
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3: 70°F (2004)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 75.1°F
Average high is 80.6°F
Average low is 69.6°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.40" (1992)
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2: 1.87" (2004)
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3: 0.80" (2020)
Precipitation data from 1963 to 2022.