Records for Islip Area, New York (ISPthr) on 10-20
Record Highs
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1: 77°F (2021)
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2: 74°F (1984)
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3: 74°F (1979)
Record Lows
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1: 30°F (1974)
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2: 31°F (1970)
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3: 32°F (1972)
Lowest Highs
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1: 58°F (1994)
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2: 57°F (2016)
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3: 56°F (2011)
Highest Lows
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1: 45°F (1974)
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2: 48°F (1972)
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3: 50°F (1992)
Highest October temperature:
89°F on 10-02-2019.
Lowest October temperature:
23°F on 10-31-1966.
Average temperature is 54.7°F
Average high is 61.4°F
Average low is 48.1°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 3.90" (1989)
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2: 0.81" (1999)
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3: 0.66" (2019)
Precipitation data from 1963 to 2022.