Records for Islip Area, New York (ISPthr) on 05-28
Record Highs
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1: 90°F (1991)
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2: 87°F (1977)
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3: 86°F (1986)
Record Lows
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1: 38°F (1994)
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2: 41°F (1997)
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3: 42°F (1974)
Lowest Highs
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1: 70°F (1991)
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2: 68°F (2012)
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3: 66°F (1986)
Highest Lows
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1: 60°F (2014)
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2: 60°F (2009)
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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 61.6°F
Average high is 67.7°F
Average low is 55.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.55" (2021)
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2: 1.16" (1966)
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3: 0.45" (2013)
Precipitation data from 1963 to 2022.