Records for Islip Area, New York (ISPthr) on 12-27
Record Highs
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1: 62°F (2016)
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2: 62°F (2015)
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3: 62°F (1973)
Record Lows
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1: 8°F (1989)
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2: 9°F (1966)
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3: 10°F (1993)
Lowest Highs
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1: 47°F (1973)
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2: 46°F (2015)
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3: 44°F (1971)
Highest Lows
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1: 18°F (1993)
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2: 22°F (1989)
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3: 23°F (1977)
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 35.1°F
Average high is 41.3°F
Average low is 29°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.93" (1969)
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2: 0.80" (1964)
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3: 0.53" (2012)
Precipitation data from 1963 to 2022.