Records for Islip Area, New York (ISPthr) on 01-12
Record Highs
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1: 68°F (2020)
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2: 58°F (2018)
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3: 58°F (1995)
Record Lows
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1: -4°F (1981)
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2: 4°F (1968)
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3: 8°F (1988)
Lowest Highs
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1: 47°F (2018)
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2: 47°F (2017)
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3: 42°F (2013)
Highest Lows
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1: 15°F (1981)
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2: 18°F (1982)
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3: 19°F (1977)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 32.5°F
Average high is 38.7°F
Average low is 26.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.43" (1991)
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2: 1.24" (2012)
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3: 1.07" (1996)
Precipitation data from 1963 to 2022.