Records for Islip Area, New York (ISPthr) on 01-22
Record Highs
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1: 55°F (2017)
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2: 55°F (1973)
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3: 55°F (1967)
Record Lows
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1: -7°F (1984)
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2: 1°F (2005)
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3: 4°F (1991)
Lowest Highs
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1: 42°F (2017)
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2: 41°F (2018)
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3: 41°F (1993)
Highest Lows
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1: 15°F (2014)
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2: 19°F (2000)
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3: 19°F (1991)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 31.8°F
Average high is 37.9°F
Average low is 25.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.62" (1987)
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2: 0.90" (2005)
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3: 0.42" (1997)
Precipitation data from 1963 to 2022.