MERCERSBURG, PENNSYLVANIA

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Elevation: 188 meters Latitude: 39 49N Longitude: 077 54W

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DAILY WEATHER AVERAGE - 18 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.7 ^°C	2 ^°C	-4.6 ^°C	11.1 ^°C (2010)	-16.1 ^°C (2003)
Dewpoint	-7.6 ^°C	-3.8 ^°C	-10.8 ^°C	7 ^°C (2006)	-26.1 ^°C (2000)
Humidity	67.3 ^%	81.8 ^%	49.8 ^%		22 ^% (2000)
Barometer	1018.3 ^hPa	1023.7 ^hPa	1012.9 ^hPa	1041 ^hPa (2005)	996.3 ^hPa (2004)
Wind Speed	12.4 ^km/h	27.2 ^km/h		48.1 ^km/h (2012)
Wind Gust		49.6 ^km/h		62.9 ^km/h (2006)
Precipitation	13.72 ^mm			34.04 ^mm (2006)

Weather Element	Average
Visibility	12.1 ^km
Wind Direction	SSW (199.4 °)

Weather Element	Total
Heating Degree Days	19.6 (Base 18.3)

Total Years on Record: 22

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