Records for Islip Area, New York (ISPthr) on 05-10
Record Highs
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1: 85°F (1970)
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2: 83°F (1979)
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3: 81°F (1987)
Record Lows
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1: 35°F (1983)
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2: 36°F (2020)
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3: 37°F (2010)
Lowest Highs
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1: 62°F (1979)
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2: 59°F (2015)
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3: 59°F (1964)
Highest Lows
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1: 52°F (1989)
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2: 55°F (1995)
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3: 55°F (1977)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 56.1°F
Average high is 62.3°F
Average low is 49.9°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.76" (1989)
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2: 1.55" (1990)
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3: 1.24" (1998)
Precipitation data from 1963 to 2022.