PETERSBURG, ILLINOIS

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

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DAILY WEATHER AVERAGE - 21 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.1 ^°C	29.3 ^°C	17.7 ^°C	35.6 ^°C (2003)	10 ^°C (2004)
Dewpoint	18 ^°C	20 ^°C	15.8 ^°C	25.6 ^°C (2003)	6.1 ^°C (2012)
Humidity	75.5 ^%	94.2 ^%	51 ^%		24 ^% (2012)
Barometer	1016.9 ^hPa	1019 ^hPa	1014.9 ^hPa	1025.4 ^hPa (1998)	1006.4 ^hPa (2010)
Wind Speed	9.2 ^km/h	18.3 ^km/h		33.3 ^km/h (2001)
Wind Gust		34.4 ^km/h		42.6 ^km/h (2001)
Precipitation	8.13 ^mm			33.53 ^mm (2008)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	SSE (147.9 °)

Total Years on Record: 20

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