ISLIP, NEW YORK

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

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DAILY WEATHER AVERAGE - 22 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.6 ^°C	6.9 ^°C	-0.6 ^°C	15 ^°C (2013)	-9.4 ^°C (2008)
Dewpoint	-1.8 ^°C	1.3 ^°C	-5.3 ^°C	13.3 ^°C (2015)	-20 ^°C (2008)
Humidity	70 ^%	84.2 ^%	53.7 ^%		31 ^% (2008)
Barometer	1018.6 ^hPa	1022.4 ^hPa	1014.2 ^hPa	1035.6 ^hPa (2007)	993.6 ^hPa (2012)
Wind Speed	14.6 ^km/h	26.1 ^km/h		48.1 ^km/h (2012)
Wind Gust		46.5 ^km/h		68.6 ^km/h (2012)
Precipitation	4.32 ^mm			10.92 ^mm (2006)

Weather Element	Average
Visibility	14 ^km
Wind Direction	SSW (199.4 °)

Weather Element	Total
Heating Degree Days	15.2 (Base 18.3)
Growing Degree Days	3.2 (Base 10)

Total Years on Record: 17

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