Records for Islip Area, New York (ISPthr) on 05-29
Record Highs
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1: 95°F (1969)
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2: 93°F (1987)
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3: 87°F (1999)
Record Lows
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1: 43°F (1992)
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2: 44°F (2008)
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3: 44°F (1997)
Lowest Highs
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1: 68°F (2012)
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2: 68°F (1969)
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3: 66°F (2011)
Highest Lows
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1: 51°F (2021)
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2: 58°F (2017)
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3: 60°F (1996)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 61.9°F
Average high is 68.1°F
Average low is 55.8°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.95" (1990)
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2: 1.31" (2009)
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3: 1.13" (2021)
Precipitation data from 1963 to 2022.