Records for Islip Area, New York (ISPthr) on 07-31
Record Highs
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1: 93°F (2002)
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2: 90°F (2015)
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3: 90°F (1975)
Record Lows
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1: 55°F (2021)
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2: 55°F (2001)
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3: 57°F (1981)
Lowest Highs
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1: 73°F (2004)
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2: 73°F (1994)
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3: 73°F (1971)
Highest Lows
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1: 67°F (1986)
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2: 67°F (1978)
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3: 68°F (1996)
Highest July temperature:
104°F on 07-03-1966.
Lowest July temperature:
49°F on 07-02-1965.
Average temperature is 75.5°F
Average high is 80.4°F
Average low is 70.6°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.20" (1996)
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2: 2.05" (2020)
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3: 1.84" (1992)
Precipitation data from 1963 to 2022.