DERRY, PENNSYLVANIA

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Elevation: 403 meters Latitude: 40 20N Longitude: 079 18W

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DAILY WEATHER AVERAGE - 23 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.4 ^°C	1.3 ^°C	-5.8 ^°C	20 ^°C (1999)	-20 ^°C (2003)
Dewpoint	-6.6 ^°C	-4 ^°C	-10 ^°C	12 ^°C (2012)	-22 ^°C (1999)
Humidity	70.6 ^%	82.4 ^%	57.3 ^%		35 ^% (1999)
Barometer	1016.9 ^hPa	1020.3 ^hPa	1013.2 ^hPa	1029.5 ^hPa (2014)	1003.7 ^hPa (2012)
Wind Speed	13.8 ^km/h	22.9 ^km/h		31.5 ^km/h (2009)
Wind Gust		37.5 ^km/h		46.3 ^km/h (1999)
Precipitation	72.9 ^mm			135.89 ^mm (2016)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSW (191.5 °)

Weather Element	Total
Heating Degree Days	20.6 (Base 18.3)
Growing Degree Days	6.5 (Base 10)

Total Years on Record: 22

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