Records for Islip Area, New York (ISPthr) on 05-25
Record Highs
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1: 92°F (1991)
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2: 88°F (2016)
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3: 87°F (2007)
Record Lows
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1: 41°F (1992)
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2: 41°F (1972)
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3: 42°F (1965)
Lowest Highs
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1: 65°F (1991)
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2: 64°F (1977)
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3: 62°F (2011)
Highest Lows
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1: 49°F (1967)
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2: 51°F (2013)
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3: 51°F (2005)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 60.5°F
Average high is 66.7°F
Average low is 54.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.16" (1997)
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2: 0.94" (1967)
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3: 0.80" (1994)
Precipitation data from 1963 to 2022.