Records for Islip Area, New York (ISPthr) on 04-09
Record Highs
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1: 82°F (2013)
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2: 73°F (1991)
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3: 72°F (1968)
Record Lows
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1: 26°F (2018)
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2: 26°F (1982)
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3: 26°F (1977)
Lowest Highs
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1: 55°F (1991)
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2: 50°F (2002)
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3: 49°F (2013)
Highest Lows
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1: 38°F (2003)
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2: 40°F (1982)
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3: 41°F (1997)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 47.5°F
Average high is 53.6°F
Average low is 41.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.46" (1998)
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2: 1.31" (1974)
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3: 1.16" (1980)
Precipitation data from 1963 to 2022.