Records for Islip Area, New York (ISPthr) on 04-05
Record Highs
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1: 68°F (1988)
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2: 67°F (2021)
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3: 66°F (2010)
Record Lows
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1: 24°F (1995)
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2: 26°F (1982)
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3: 26°F (1975)
Lowest Highs
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1: 50°F (1981)
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2: 50°F (1974)
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3: 49°F (1989)
Highest Lows
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1: 37°F (1995)
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2: 39°F (2003)
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3: 40°F (2016)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 46.1°F
Average high is 52.3°F
Average low is 40°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.94" (1977)
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2: 0.87" (1981)
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3: 0.64" (1969)
Precipitation data from 1963 to 2022.