PETERSBURG, ILLINOIS

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

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DAILY WEATHER AVERAGE - 30 JULY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.8 ^°C	29.1 ^°C	18.5 ^°C	36.1 ^°C (1999)	13 ^°C (2003)
Dewpoint	18.7 ^°C	20.8 ^°C	16.9 ^°C	25.6 ^°C (1999)	9.4 ^°C (1997)
Humidity	75.8 ^%	94.1 ^%	54 ^%		34 ^% (1997)
Barometer	1015.9 ^hPa	1017.3 ^hPa	1014.2 ^hPa	1026.8 ^hPa (1997)	1005.8 ^hPa (1999)
Wind Speed	8.4 ^km/h	17.1 ^km/h		25.9 ^km/h (1997)
Wind Gust		31.1 ^km/h		42.6 ^km/h (1997)
Precipitation	9.14 ^mm			27.69 ^mm (2004)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SE (138 °)

Weather Element	Total
Cooling Degree Days	5.5 (Base 18.3)
Growing Degree Days	13.8 (Base 10)

Total Years on Record: 20

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