Records for Islip Area, New York (ISPthr) on 04-13
Record Highs
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1: 82°F (1977)
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2: 72°F (2018)
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3: 72°F (1968)
Record Lows
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1: 27°F (1990)
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2: 28°F (2009)
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3: 28°F (1975)
Lowest Highs
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1: 53°F (2019)
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2: 53°F (2002)
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3: 52°F (2020)
Highest Lows
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1: 44°F (1966)
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2: 46°F (1992)
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3: 46°F (1990)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 48.8°F
Average high is 55°F
Average low is 42.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 3.69" (2004)
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2: 1.39" (2020)
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3: 1.01" (1994)
Precipitation data from 1963 to 2022.