Records for Islip Area, New York (ISPthr) on 09-28
Record Highs
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1: 80°F (2015)
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2: 79°F (2014)
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3: 78°F (2007)
Record Lows
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1: 38°F (1989)
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2: 42°F (1991)
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3: 42°F (1965)
Lowest Highs
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1: 70°F (2010)
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2: 68°F (2011)
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3: 67°F (2020)
Highest Lows
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1: 56°F (1984)
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2: 60°F (1965)
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3: 62°F (1991)
Highest September temperature:
94°F on 09-03-1973.
Lowest September temperature:
38°F on 09-20-1979.
Average temperature is 62.2°F
Average high is 68.5°F
Average low is 55.8°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.79" (2004)
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2: 1.10" (2003)
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3: 1.03" (1974)
Precipitation data from 1963 to 2022.