Records for Islip Area, New York (ISPthr) on 08-12
Record Highs
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1: 90°F (2021)
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2: 90°F (2016)
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3: 89°F (2005)
Record Lows
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1: 50°F (1968)
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2: 54°F (1974)
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3: 56°F (2006)
Lowest Highs
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1: 77°F (1988)
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2: 75°F (2021)
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3: 75°F (2016)
Highest Lows
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1: 64°F (1979)
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2: 70°F (1983)
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3: 72°F (2000)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 75.4°F
Average high is 80.7°F
Average low is 70.1°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.26" (1978)
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2: 1.73" (1979)
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3: 1.01" (1983)
Precipitation data from 1963 to 2022.