Records for Islip Area, New York (ISPthr) on 08-24
Record Highs
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1: 92°F (2022)
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2: 91°F (1995)
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3: 91°F (1969)
Record Lows
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1: 49°F (1971)
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2: 54°F (1994)
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3: 54°F (1987)
Lowest Highs
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1: 75°F (1998)
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2: 73°F (2020)
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3: 70°F (2015)
Highest Lows
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1: 68°F (2010)
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2: 69°F (1971)
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3: 71°F (2002)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 74°F
Average high is 79.8°F
Average low is 68.2°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 6.74" (1990)
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2: 0.84" (1988)
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3: 0.74" (2002)
Precipitation data from 1963 to 2022.