CORNWALL, PENNSYLVANIA

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Elevation: 143 meters Latitude: 40 20N Longitude: 076 28W

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DAILY WEATHER AVERAGE - 15 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.7 ^°C	5.9 ^°C	-1.4 ^°C	16.2 ^°C (2015)	-10 ^°C (2005)
Dewpoint	-1.3 ^°C	1.1 ^°C	-4.9 ^°C	13.2 ^°C (2008)	-13.5 ^°C (1998)
Humidity	76.7 ^%	91.6 ^%	60 ^%		37 ^% (1998)
Barometer	1019.3 ^hPa	1023 ^hPa	1015.9 ^hPa	1036.6 ^hPa (2000)	997.3 ^hPa (2015)
Wind Speed	10.6 ^km/h	21.9 ^km/h		37 ^km/h (2010)
Wind Gust		47.2 ^km/h		59.2 ^km/h (2015)
Precipitation	0.51 ^mm			1.27 ^mm (2008)

Weather Element	Average
Visibility	19.3 ^km
Wind Direction	SE (136.6 °)

Weather Element	Total
Heating Degree Days	16.1 (Base 18.3)
Growing Degree Days	2.7 (Base 10)

Total Years on Record: 18

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