Records for Islip Area, New York (ISPthr) on 04-02
Record Highs
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1: 72°F (1967)
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2: 68°F (1986)
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3: 65°F (2006)
Record Lows
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1: 20°F (1964)
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2: 24°F (1968)
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3: 26°F (2019)
Lowest Highs
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1: 51°F (1986)
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2: 47°F (2016)
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3: 47°F (2009)
Highest Lows
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1: 37°F (2021)
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2: 38°F (1993)
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3: 42°F (2018)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 45.1°F
Average high is 51.3°F
Average low is 38.9°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.01" (1970)
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2: 1.29" (2005)
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3: 1.01" (1977)
Precipitation data from 1963 to 2022.