Records for Islip Area, New York (ISPthr) on 01-25
Record Highs
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1: 55°F (2010)
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2: 54°F (1972)
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3: 53°F (2020)
Record Lows
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1: 5°F (2004)
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2: 7°F (1987)
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3: 9°F (2005)
Lowest Highs
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1: 41°F (2010)
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2: 40°F (1990)
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3: 39°F (1967)
Highest Lows
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1: 17°F (2004)
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2: 23°F (1982)
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3: 24°F (2013)
Highest January temperature:
69°F on 01-29-2002.
Lowest January temperature:
-8°F on 01-18-1965.
Average temperature is 31.7°F
Average high is 37.8°F
Average low is 25.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.32" (1978)
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2: 1.13" (1975)
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3: 0.95" (2020)
Precipitation data from 1963 to 2022.