Records for Islip Area, New York (ISPthr) on 01-09
Record Highs
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1: 64°F (2008)
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2: 61°F (1965)
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3: 55°F (2006)
Record Lows
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1: -4°F (1981)
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2: -4°F (1968)
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3: 3°F (1970)
Lowest Highs
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1: 44°F (2008)
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2: 44°F (1998)
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3: 39°F (2016)
Highest Lows
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1: 9°F (1968)
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2: 14°F (1970)
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3: 22°F (2017)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 32.9°F
Average high is 39.1°F
Average low is 26.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.94" (1991)
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2: 0.88" (1978)
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3: 0.79" (1974)
Precipitation data from 1963 to 2022.