Records for Islip Area, New York (ISPthr) on 05-04
Record Highs
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1: 91°F (2001)
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2: 86°F (1965)
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3: 81°F (2010)
Record Lows
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1: 35°F (1967)
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2: 36°F (2002)
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3: 36°F (1964)
Lowest Highs
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1: 59°F (2018)
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2: 59°F (2001)
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3: 54°F (2010)
Highest Lows
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1: 47°F (1987)
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2: 51°F (2016)
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3: 54°F (1978)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 54.6°F
Average high is 60.8°F
Average low is 48.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.08" (1975)
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2: 0.68" (1987)
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3: 0.43" (2011)
Precipitation data from 1963 to 2022.