OLNEY, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 22 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3 ^°C	6.8 ^°C	-0.8 ^°C	13 ^°C (2007)	-15 ^°C (2008)
Dewpoint	1.1 ^°C	3.7 ^°C	-2.5 ^°C	12 ^°C (2006)	-14 ^°C (2008)
Humidity	79.1 ^%	92.2 ^%	65.1 ^%		29 ^% (2008)
Barometer	1017.6 ^hPa	1022.4 ^hPa	1011.9 ^hPa	1035.6 ^hPa (2008)	999.3 ^hPa (2007)
Wind Speed	13.4 ^km/h	26.4 ^km/h		37 ^km/h (2007)
Wind Gust		36.7 ^km/h		50.1 ^km/h (2002)
Precipitation	13.21 ^mm			36.07 ^mm (2006)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSW (192 °)

Weather Element	Total
Heating Degree Days	15.3 (Base 18.3)
Growing Degree Days	1 (Base 10)

Total Years on Record: 15

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