PETERSBURG, ILLINOIS

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

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DAILY WEATHER AVERAGE - 19 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.2 ^°C	2.6 ^°C	-4.9 ^°C	15 ^°C (1997)	-17.2 ^°C (2000)
Dewpoint	-4.7 ^°C	-1.3 ^°C	-5.5 ^°C	11.1 ^°C (2002)	-12.2 ^°C (2004)
Humidity	78.1 ^%	90.3 ^%	63.5 ^%		34 ^% (2004)
Barometer	1019.6 ^hPa	1024 ^hPa	1015.2 ^hPa	1038.9 ^hPa (2005)	1001.4 ^hPa (2012)
Wind Speed	15.8 ^km/h	26.4 ^km/h		46.3 ^km/h (2008)
Wind Gust		45.1 ^km/h		59.2 ^km/h (2008)
Precipitation	11.43 ^mm			35.56 ^mm (2008)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSW (206.5 °)

Weather Element	Total
Heating Degree Days	19.5 (Base 18.3)

Total Years on Record: 21

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