PETERSBURG, ILLINOIS

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Elevation: 158 meters Latitude: 40 01N Longitude: 089 51W

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.2 ^°C	2.3 ^°C	-4.9 ^°C	14.4 ^°C (2006)	(2000)
Dewpoint	-3.9 ^°C	-1.8 ^°C	-6.9 ^°C	12.2 ^°C (2002)	-14.4 ^°C (2009)
Humidity	78.3 ^%	91 ^%	63.8 ^%		42 ^% (2009)
Barometer	1020.3 ^hPa	1023.4 ^hPa	1015.9 ^hPa	1034.9 ^hPa (2005)	1004.4 ^hPa (2002)
Wind Speed	13.8 ^km/h	23.7 ^km/h		38.9 ^km/h (2000)
Wind Gust		42.3 ^km/h		51.8 ^km/h (2002)
Precipitation	4.32 ^mm			8.64 ^mm (2001)

Weather Element	Average
Visibility	13 ^km
Wind Direction	SSW (206.7 °)

Weather Element	Total
Heating Degree Days	19.6 (Base 18.3)

Total Years on Record: 21

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