Records for Islip Area, New York (ISPthr) on 08-20
Record Highs
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1: 94°F (1983)
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2: 89°F (2022)
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3: 89°F (2006)
Record Lows
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1: 53°F (2008)
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2: 54°F (1988)
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3: 54°F (1977)
Lowest Highs
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1: 73°F (2015)
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2: 73°F (2006)
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3: 73°F (2004)
Highest Lows
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1: 67°F (1990)
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2: 72°F (2007)
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3: 72°F (2000)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 74.7°F
Average high is 80.3°F
Average low is 69°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.61" (2001)
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2: 0.49" (1999)
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3: 0.48" (2002)
Precipitation data from 1963 to 2022.