Records for Islip Area, New York (ISPthr) on 08-11
Record Highs
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1: 93°F (2005)
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2: 91°F (2016)
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3: 89°F (2010)
Record Lows
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1: 49°F (1972)
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2: 53°F (1974)
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3: 53°F (1968)
Lowest Highs
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1: 76°F (2016)
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2: 76°F (1988)
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3: 75°F (2012)
Highest Lows
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1: 73°F (1989)
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2: 73°F (1982)
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3: 73°F (1968)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 75.5°F
Average high is 80.7°F
Average low is 70.2°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 3.76" (1989)
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2: 2.67" (1999)
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3: 2.47" (1983)
Precipitation data from 1963 to 2022.