Records for Islip Area, New York (ISPthr) on 04-28
Record Highs
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1: 86°F (1990)
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2: 82°F (1983)
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3: 78°F (2009)
Record Lows
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1: 29°F (1972)
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2: 33°F (2012)
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3: 35°F (1996)
Lowest Highs
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1: 59°F (2009)
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2: 57°F (1990)
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3: 56°F (2017)
Highest Lows
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1: 42°F (1966)
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2: 44°F (1987)
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3: 51°F (1980)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 53.1°F
Average high is 59.3°F
Average low is 46.9°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.08" (1997)
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2: 2.08" (1980)
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3: 1.94" (2008)
Precipitation data from 1963 to 2022.