Records for Islip Area, New York (ISPthr) on 08-19
Record Highs
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1: 91°F (2002)
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2: 90°F (1966)
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3: 89°F (2022)
Record Lows
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1: 54°F (1968)
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2: 55°F (1977)
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3: 55°F (1976)
Lowest Highs
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1: 75°F (2021)
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2: 74°F (2015)
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3: 74°F (2002)
Highest Lows
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1: 71°F (1977)
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2: 72°F (2007)
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3: 72°F (1976)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 74.8°F
Average high is 80.4°F
Average low is 69.1°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 5.91" (1991)
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2: 3.83" (1990)
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3: 0.91" (1965)
Precipitation data from 1963 to 2022.