Records for Islip Area, New York (ISPthr) on 01-01
Record Highs
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1: 63°F (1966)
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2: 60°F (2019)
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3: 60°F (2005)
Record Lows
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1: 6°F (2018)
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2: 8°F (1968)
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3: 12°F (1997)
Lowest Highs
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1: 48°F (2022)
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2: 46°F (1979)
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3: 43°F (2007)
Highest Lows
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1: 17°F (2018)
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2: 25°F (2009)
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3: 25°F (1970)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 34.2°F
Average high is 40.4°F
Average low is 28°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.38" (2007)
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2: 1.15" (2022)
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3: 1.02" (1982)
Precipitation data from 1963 to 2022.