Records for Islip Area, New York (ISPthr) on 04-29
Record Highs
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1: 85°F (2017)
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2: 81°F (2003)
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3: 80°F (1974)
Record Lows
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1: 32°F (1968)
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2: 33°F (1992)
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3: 36°F (1998)
Lowest Highs
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1: 57°F (2017)
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2: 56°F (1983)
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3: 55°F (1974)
Highest Lows
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1: 49°F (2014)
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2: 49°F (1964)
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3: 50°F (1971)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 53.4°F
Average high is 59.5°F
Average low is 47.2°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.67" (1989)
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2: 0.33" (1996)
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3: 0.30" (2021)
Precipitation data from 1963 to 2022.