Records for Islip Area, New York (ISPthr) on 07-17
Record Highs
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1: 94°F (1997)
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2: 93°F (2013)
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3: 93°F (2006)
Record Lows
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1: 56°F (1966)
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2: 58°F (1987)
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3: 60°F (2015)
Lowest Highs
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1: 75°F (2021)
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2: 75°F (2013)
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3: 75°F (2010)
Highest Lows
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1: 71°F (1992)
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2: 73°F (1989)
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3: 74°F (1978)
Highest July temperature:
104°F on 07-03-1966.
Lowest July temperature:
49°F on 07-02-1965.
Average temperature is 74.9°F
Average high is 79.8°F
Average low is 70.1°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.34" (2018)
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2: 0.87" (1989)
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3: 0.66" (2019)
Precipitation data from 1963 to 2022.