Records for Islip Area, New York (ISPthr) on 09-07
Record Highs
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1: 92°F (1998)
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2: 90°F (1983)
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3: 85°F (2015)
Record Lows
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1: 46°F (1988)
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2: 47°F (2000)
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3: 48°F (1984)
Lowest Highs
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1: 73°F (1999)
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2: 72°F (1990)
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3: 71°F (1996)
Highest Lows
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1: 63°F (1974)
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2: 68°F (1984)
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3: 69°F (2011)
Highest September temperature:
94°F on 09-03-1973.
Lowest September temperature:
38°F on 09-20-1979.
Average temperature is 70.2°F
Average high is 76.4°F
Average low is 64°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.50" (2011)
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2: 0.79" (1974)
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3: 0.69" (1998)
Precipitation data from 1963 to 2022.