Records for Islip Area, New York (ISPthr) on 12-05
Record Highs
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1: 70°F (2001)
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2: 63°F (1973)
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3: 61°F (1999)
Record Lows
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1: 13°F (1966)
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2: 15°F (1976)
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3: 20°F (1975)
Lowest Highs
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1: 54°F (1982)
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2: 50°F (2001)
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3: 48°F (2013)
Highest Lows
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1: 30°F (2002)
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2: 32°F (1989)
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3: 33°F (2007)
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 40.3°F
Average high is 46.3°F
Average low is 34.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.27" (1993)
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2: 1.46" (2020)
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3: 1.01" (1977)
Precipitation data from 1963 to 2022.