Records for Islip Area, New York (ISPthr) on 05-11
Record Highs
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1: 83°F (2001)
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2: 83°F (1965)
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3: 82°F (1985)
Record Lows
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1: 34°F (1966)
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2: 38°F (2010)
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3: 38°F (1986)
Lowest Highs
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1: 63°F (2015)
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2: 60°F (1985)
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3: 60°F (1965)
Highest Lows
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1: 54°F (1998)
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2: 54°F (1989)
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3: 55°F (1995)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 56.3°F
Average high is 62.6°F
Average low is 50.1°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.71" (1967)
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2: 0.66" (1996)
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3: 0.61" (1998)
Precipitation data from 1963 to 2022.