OLNEY, ILLINOIS

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Elevation: 147 meters Latitude: 38 42N Longitude: 088 04W

WEATHER

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DAILY WEATHER AVERAGE - 13 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.6 ^°C	5.8 ^°C	-0.9 ^°C	20 ^°C (2015)	-15 ^°C (2010)
Dewpoint	-1.2 ^°C	1.3 ^°C	-3.2 ^°C	15 ^°C (2015)	-17 ^°C (2008)
Humidity	78.6 ^%	89.2 ^%	65.1 ^%		29 ^% (2008)
Barometer	1019.6 ^hPa	1023.7 ^hPa	1014.9 ^hPa	1031.5 ^hPa (2011)	996.6 ^hPa (2015)
Wind Speed	12.2 ^km/h	23.7 ^km/h		48.1 ^km/h (2004)
Wind Gust		39.6 ^km/h		64.9 ^km/h (2004)
Precipitation	5.59 ^mm			13.97 ^mm (2002)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSE (153.4 °)

Weather Element	Total
Heating Degree Days	15.9 (Base 18.3)
Growing Degree Days	7.5 (Base 10)

Total Years on Record: 15

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