Records for Islip Area, New York (ISPthr) on 07-20
Record Highs
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1: 97°F (2019)
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2: 97°F (1991)
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3: 96°F (1977)
Record Lows
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1: 52°F (1996)
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2: 57°F (2001)
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3: 58°F (1997)
Lowest Highs
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1: 78°F (2019)
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2: 78°F (2013)
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3: 76°F (2020)
Highest Lows
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1: 70°F (2012)
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2: 72°F (1969)
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3: 73°F (1989)
Highest July temperature:
104°F on 07-03-1966.
Lowest July temperature:
49°F on 07-02-1965.
Average temperature is 75.1°F
Average high is 79.9°F
Average low is 70.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.83" (1981)
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2: 0.80" (1973)
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3: 0.57" (2012)
Precipitation data from 1963 to 2022.