Records for Islip Area, New York (ISPthr) on 05-06
Record Highs
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1: 88°F (1986)
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2: 85°F (2000)
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3: 81°F (2010)
Record Lows
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1: 35°F (1969)
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2: 37°F (1992)
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3: 38°F (2011)
Lowest Highs
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1: 58°F (2000)
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2: 56°F (2010)
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3: 55°F (2002)
Highest Lows
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1: 50°F (1978)
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2: 52°F (2016)
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3: 52°F (1967)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 55.1°F
Average high is 61.3°F
Average low is 48.9°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.23" (1991)
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2: 0.83" (2009)
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3: 0.72" (2022)
Precipitation data from 1963 to 2022.