JOHNSTON CITY, ILLINOIS

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Elevation: 145 meters Latitude: 37 46N Longitude: 088 54W

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DAILY WEATHER AVERAGE - 11 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	4.2 ^°C	8.5 ^°C	-0.4 ^°C	19 ^°C (1996)	-11 ^°C (2013)
Dewpoint	0.1 ^°C	3 ^°C	-3.5 ^°C	17 ^°C (2015)	-15 ^°C (2009)
Humidity	78.2 ^%	93.1 ^%	58.3 ^%		29 ^% (2009)
Barometer	1020.3 ^hPa	1023.4 ^hPa	1016.9 ^hPa	1037.9 ^hPa (2013)	1002 ^hPa (2000)
Wind Speed	10.9 ^km/h	19.8 ^km/h		46.3 ^km/h (2010)
Wind Gust		38.9 ^km/h		55.5 ^km/h (2010)
Precipitation	6.6 ^mm			11.18 ^mm (2007)

Weather Element	Average
Visibility	16.9 ^km
Wind Direction	SSE (172 °)

Weather Element	Total
Heating Degree Days	14.3 (Base 18.3)
Growing Degree Days	2.9 (Base 10)

Total Years on Record: 21

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