DERRY, PENNSYLVANIA

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Elevation: 1321 feet Latitude: 40 20N Longitude: 079 18W

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DAILY WEATHER AVERAGE - DECEMBER 13

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	33.9 ^°F	38.7 ^°F	27.4 ^°F	66.2 ^°F (2015)	(2014)
Dewpoint	26.4 ^°F	29 ^°F	21.1 ^°F	59 ^°F (2015)	1.4 ^°F (1998)
Humidity	71.2 ^%	85.7 ^%	54.6 ^%		32 ^% (1998)
Barometer	30.11 ⁱⁿ	30.21 ⁱⁿ	30.01 ⁱⁿ	30.59 ⁱⁿ (2000)	29.40 ⁱⁿ (2010)
Wind Speed	7.2 ^mph	12.8 ^mph		20.7 ^mph (2006)
Wind Gust		24.1 ^mph		29.9 ^mph (2006)
Precipitation	---			--- ()

Weather Element	Average
Visibility	10.6 ^mi
Wind Direction	SE (139 °)

Weather Element	Total
Heating Degree Days	32 (Base 18.3)
Growing Degree Days	9.5 (Base 10)

Total Years on Record: 21

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