Records for Islip Area, New York (ISPthr) on 12-02
Record Highs
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1: 60°F (1998)
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2: 60°F (1985)
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3: 59°F (1970)
Record Lows
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1: 12°F (1989)
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2: 13°F (1967)
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3: 18°F (1964)
Lowest Highs
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1: 47°F (1980)
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2: 46°F (1982)
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3: 45°F (2015)
Highest Lows
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1: 34°F (2000)
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2: 34°F (1971)
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3: 35°F (1969)
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 41.1°F
Average high is 47.1°F
Average low is 35.1°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.20" (1974)
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2: 1.16" (1996)
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3: 1.13" (2018)
Precipitation data from 1963 to 2022.