Records for Islip Area, New York (ISPthr) on 01-17
Record Highs
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1: 55°F (1999)
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2: 54°F (1990)
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3: 53°F (1995)
Record Lows
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1: -3°F (1965)
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2: -2°F (1982)
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3: 1°F (1977)
Lowest Highs
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1: 47°F (1995)
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2: 38°F (2012)
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3: 38°F (1973)
Highest Lows
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1: 12°F (1977)
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2: 16°F (1965)
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3: 23°F (2000)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 32.1°F
Average high is 38.2°F
Average low is 25.9°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.48" (2022)
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2: 0.70" (1994)
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3: 0.63" (2010)
Precipitation data from 1963 to 2022.