Records for Islip Area, New York (ISPthr) on 12-04
Record Highs
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1: 73°F (1998)
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2: 66°F (1982)
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3: 63°F (1994)
Record Lows
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1: 13°F (1966)
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2: 14°F (1976)
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3: 15°F (2002)
Lowest Highs
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1: 53°F (1982)
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2: 48°F (1978)
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3: 47°F (1998)
Highest Lows
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1: 25°F (1989)
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2: 29°F (1966)
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3: 32°F (2002)
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 40.6°F
Average high is 46.5°F
Average low is 34.6°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.45" (1964)
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2: 1.76" (1968)
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3: 0.96" (1983)
Precipitation data from 1963 to 2022.