Records for Islip Area, New York (ISPthr) on 04-03
Record Highs
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1: 80°F (1967)
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2: 69°F (1981)
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3: 69°F (1977)
Record Lows
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1: 23°F (2008)
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2: 27°F (1995)
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3: 28°F (2021)
Lowest Highs
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1: 49°F (2000)
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2: 48°F (2009)
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3: 46°F (2015)
Highest Lows
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1: 39°F (1978)
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2: 43°F (2018)
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3: 45°F (1993)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 45.4°F
Average high is 51.6°F
Average low is 39.2°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.05" (1982)
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2: 1.80" (1990)
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3: 1.22" (1975)
Precipitation data from 1963 to 2022.