Records for Islip Area, New York (ISPthr) on 09-27
Record Highs
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1: 86°F (2017)
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2: 86°F (1998)
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3: 83°F (1972)
Record Lows
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1: 38°F (1965)
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2: 39°F (1989)
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3: 41°F (1978)
Lowest Highs
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1: 69°F (2007)
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2: 68°F (2017)
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3: 68°F (1998)
Highest Lows
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1: 55°F (1984)
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2: 57°F (1989)
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3: 59°F (1965)
Highest September temperature:
94°F on 09-03-1973.
Lowest September temperature:
38°F on 09-20-1979.
Average temperature is 62.5°F
Average high is 68.9°F
Average low is 56.2°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.25" (1975)
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2: 1.15" (2009)
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3: 1.03" (2002)
Precipitation data from 1963 to 2022.