ISLIP, NEW YORK

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Elevation: 25 meters Latitude: 40 48N Longitude: 073 06W

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DAILY WEATHER AVERAGE - 7 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.6 ^°C	6.7 ^°C	-1.4 ^°C	15.6 ^°C (2011)	-10 ^°C (2002)
Dewpoint	-1.9 ^°C	1.8 ^°C	-6.9 ^°C	15 ^°C (2011)	-17.2 ^°C (2000)
Humidity	69.4 ^%	86.4 ^%	52.1 ^%		35 ^% (2000)
Barometer	1016.9 ^hPa	1022.7 ^hPa	1012.2 ^hPa	1036.9 ^hPa (2014)	991.9 ^hPa (2011)
Wind Speed	14.5 ^km/h	27 ^km/h		42.6 ^km/h (2008)
Wind Gust		48 ^km/h		62.9 ^km/h (2008)
Precipitation	10.67 ^mm			35.05 ^mm (2011)

Weather Element	Average
Visibility	13.4 ^km
Wind Direction	SSW (217.4 °)

Weather Element	Total
Heating Degree Days	15.7 (Base 18.3)
Growing Degree Days	4.3 (Base 10)

Total Years on Record: 17

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