Records for Islip Area, New York (ISPthr) on 12-08
Record Highs
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1: 62°F (1980)
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2: 60°F (1974)
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3: 59°F (2004)
Record Lows
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1: 15°F (1970)
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2: 16°F (1965)
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3: 16°F (1964)
Lowest Highs
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1: 50°F (1974)
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2: 47°F (1978)
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3: 46°F (2012)
Highest Lows
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1: 25°F (1989)
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2: 28°F (2008)
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3: 29°F (2006)
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 39.5°F
Average high is 45.5°F
Average low is 33.5°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.58" (1974)
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2: 1.08" (1969)
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3: 0.63" (1972)
Precipitation data from 1963 to 2022.