Records for Islip Area, New York (ISPthr) on 11-20
Record Highs
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1: 66°F (1985)
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2: 65°F (2011)
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3: 64°F (1991)
Record Lows
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1: 21°F (1986)
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2: 23°F (2008)
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3: 23°F (1967)
Lowest Highs
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1: 58°F (1985)
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2: 51°F (2011)
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3: 49°F (1998)
Highest Lows
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1: 35°F (1984)
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2: 35°F (1967)
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3: 39°F (2022)
Highest November temperature:
80°F on 11-07-2022.
Lowest November temperature:
11°F on 11-24-1989.
Average temperature is 44.8°F
Average high is 51°F
Average low is 38.5°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.63" (1988)
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2: 1.21" (1972)
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3: 1.05" (1981)
Precipitation data from 1963 to 2022.