Records for Islip Area, New York (ISPthr) on 10-18
Record Highs
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1: 76°F (2016)
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2: 74°F (2006)
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3: 74°F (1990)
Record Lows
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1: 31°F (1982)
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2: 31°F (1978)
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3: 31°F (1965)
Lowest Highs
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1: 63°F (1980)
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2: 62°F (2016)
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3: 58°F (1967)
Highest Lows
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1: 47°F (2009)
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2: 50°F (2015)
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3: 50°F (1989)
Highest October temperature:
89°F on 10-02-2019.
Lowest October temperature:
23°F on 10-31-1966.
Average temperature is 55.4°F
Average high is 62°F
Average low is 48.8°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.05" (1990)
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2: 1.50" (1964)
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3: 1.32" (1975)
Precipitation data from 1963 to 2022.