MERCERSBURG, PENNSYLVANIA

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

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DAILY WEATHER AVERAGE - 21 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	17.3 ^°C	22.4 ^°C	11.9 ^°C	32.7 ^°C (1996)	1.7 ^°C (2002)
Dewpoint	9.8 ^°C	12.1 ^°C	6.8 ^°C	20.6 ^°C (2013)	-3.9 ^°C (2009)
Humidity	65.7 ^%	85.1 ^%	43.7 ^%		21 ^% (2009)
Barometer	1015.9 ^hPa	1018.6 ^hPa	1013.5 ^hPa	1028.8 ^hPa (2002)	1000 ^hPa (2008)
Wind Speed	11.1 ^km/h	22.7 ^km/h		44.4 ^km/h (2006)
Wind Gust		40.7 ^km/h		61.2 ^km/h (2008)
Precipitation	18.29 ^mm			80.26 ^mm (2012)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	S (179.2 °)

Total Years on Record: 20

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