Records for Islip Area, New York (ISPthr) on 09-05
Record Highs
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1: 90°F (1985)
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2: 88°F (1983)
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3: 88°F (1964)
Record Lows
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1: 49°F (2000)
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2: 49°F (1997)
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3: 49°F (1989)
Lowest Highs
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1: 74°F (1985)
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2: 73°F (2018)
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3: 72°F (2022)
Highest Lows
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1: 64°F (1963)
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2: 66°F (2000)
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3: 67°F (1989)
Highest September temperature:
94°F on 09-03-1973.
Lowest September temperature:
38°F on 09-20-1979.
Average temperature is 70.9°F
Average high is 77.1°F
Average low is 64.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.10" (1991)
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2: 0.74" (2012)
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3: 0.26" (2006)
Precipitation data from 1963 to 2022.