Records for Islip Area, New York (ISPthr) on 05-19
Record Highs
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1: 89°F (2017)
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2: 87°F (1998)
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3: 85°F (2021)
Record Lows
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1: 37°F (2002)
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2: 39°F (1992)
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3: 40°F (2009)
Lowest Highs
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1: 65°F (2017)
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2: 61°F (1986)
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3: 60°F (1999)
Highest Lows
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1: 51°F (1976)
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2: 53°F (1994)
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3: 55°F (1993)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 58.6°F
Average high is 64.8°F
Average low is 52.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.33" (1966)
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2: 1.18" (2018)
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3: 1.08" (1999)
Precipitation data from 1963 to 2022.