Records for Islip Area, New York (ISPthr) on 04-12
Record Highs
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1: 87°F (1977)
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2: 74°F (2017)
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3: 73°F (1996)
Record Lows
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1: 27°F (1976)
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2: 28°F (1989)
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3: 28°F (1968)
Lowest Highs
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1: 51°F (2008)
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2: 47°F (2022)
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3: 47°F (2017)
Highest Lows
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1: 44°F (2007)
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2: 45°F (1976)
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3: 45°F (1973)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 48.5°F
Average high is 54.6°F
Average low is 42.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.82" (2007)
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2: 1.13" (1997)
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3: 0.79" (2013)
Precipitation data from 1963 to 2022.