LEMONT, PENNSYLVANIA

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Elevation: 357 meters Latitude: 40 48N Longitude: 077 52W

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DAILY WEATHER AVERAGE - 15 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	16.7 ^°C	22 ^°C	11.9 ^°C	33 ^°C (1998)	4 ^°C (2001)
Dewpoint	11.5 ^°C	14.4 ^°C	9.1 ^°C	21 ^°C (2002)	2 ^°C (2010)
Humidity	73.8 ^%	92 ^%	50.6 ^%		28 ^% (2010)
Barometer	1019.3 ^hPa	1022 ^hPa	1016.6 ^hPa	1029.5 ^hPa (2015)	1003.7 ^hPa (2008)
Wind Speed	8 ^km/h	20.3 ^km/h		48.1 ^km/h (2008)
Wind Gust		37 ^km/h		66.6 ^km/h (2008)
Precipitation	6.1 ^mm			6.6 ^mm (2011)

Weather Element	Average
Visibility	18.8 ^km
Wind Direction	SSE (148.5 °)

Total Years on Record: 21

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