Records for Islip Area, New York (ISPthr) on 05-14
Record Highs
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1: 86°F (1991)
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2: 84°F (1985)
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3: 78°F (1975)
Record Lows
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1: 34°F (1998)
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2: 34°F (1996)
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3: 34°F (1987)
Lowest Highs
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1: 61°F (2012)
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2: 59°F (2022)
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3: 59°F (1991)
Highest Lows
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1: 52°F (2019)
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2: 57°F (2006)
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3: 57°F (1984)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 57.1°F
Average high is 63.4°F
Average low is 50.9°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.23" (1978)
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2: 0.94" (1979)
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3: 0.37" (1967)
Precipitation data from 1963 to 2022.