OLNEY, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 23 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.3 ^°C	6.8 ^°C	-1.6 ^°C	17 ^°C (2015)	(2004)
Dewpoint	-1.7 ^°C	2.3 ^°C	-2.8 ^°C	16 ^°C (2015)	-13 ^°C (2008)
Humidity	76.5 ^%	88.9 ^%	62.5 ^%		29 ^% (2008)
Barometer	1016.6 ^hPa	1020.3 ^hPa	1011.5 ^hPa	1033.2 ^hPa (2010)	991.2 ^hPa (2015)
Wind Speed	13.8 ^km/h	25.7 ^km/h		46.3 ^km/h (2007)
Wind Gust		43.8 ^km/h		66.6 ^km/h (2007)
Precipitation	12.7 ^mm			33.78 ^mm (2008)

Weather Element	Average
Visibility	14 ^km
Wind Direction	SSW (192 °)

Weather Element	Total
Heating Degree Days	15.7 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Total Years on Record: 15

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