Records for Islip Area, New York (ISPthr) on 01-15
Record Highs
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1: 66°F (1995)
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2: 56°F (1987)
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3: 55°F (1999)
Record Lows
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1: -7°F (1988)
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2: -4°F (1965)
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3: 1°F (2004)
Lowest Highs
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1: 55°F (1995)
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2: 43°F (1987)
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3: 40°F (1980)
Highest Lows
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1: 15°F (2004)
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2: 15°F (1965)
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3: 19°F (2022)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 32.2°F
Average high is 38.4°F
Average low is 26°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.76" (1999)
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2: 0.88" (1983)
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3: 0.54" (1998)
Precipitation data from 1963 to 2022.