Records for Islip Area, New York (ISPthr) on 03-31
Record Highs
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1: 73°F (1999)
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2: 72°F (1977)
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3: 71°F (1998)
Record Lows
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1: 19°F (1964)
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2: 24°F (1969)
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3: 25°F (1965)
Lowest Highs
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1: 52°F (1998)
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2: 48°F (2021)
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3: 46°F (2016)
Highest Lows
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1: 34°F (1969)
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2: 35°F (1970)
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3: 35°F (1964)
Highest March temperature:
82°F on 03-13-1990.
Lowest March temperature:
0°F on 03-18-1967.
Average temperature is 44.4°F
Average high is 50.6°F
Average low is 38.2°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.52" (1987)
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2: 2.08" (1997)
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3: 1.60" (2004)
Precipitation data from 1963 to 2022.