Records for Islip Area, New York (ISPthr) on 10-15
Record Highs
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1: 81°F (1990)
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2: 80°F (1975)
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3: 78°F (2021)
Record Lows
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1: 33°F (1979)
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2: 34°F (2006)
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3: 34°F (1987)
Lowest Highs
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1: 68°F (2014)
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2: 66°F (1970)
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3: 64°F (2017)
Highest Lows
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1: 47°F (2009)
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2: 53°F (1978)
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3: 55°F (1979)
Highest October temperature:
89°F on 10-02-2019.
Lowest October temperature:
23°F on 10-31-1966.
Average temperature is 56.3°F
Average high is 62.9°F
Average low is 49.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.63" (2004)
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2: 0.61" (2009)
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3: 0.37" (2001)
Precipitation data from 1963 to 2022.