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United States of America

MOUNT VERNON, ILLINOIS


Home > North America > United States > Illinois
Elevation: 144 meters     Latitude: 38 19N     Longitude: 088 51W

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DAILY WEATHER AVERAGE - 4 SEPTEMBER
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 22.5 °C 29.4 °C 14 °C 36 °C (2007) (2012)
Dewpoint 15.8 °C 18.6 °C 12.2 °C 24 °C (2012) 6 °C (2002)
Humidity 69.3 % 90.2 % 43.5 % 20 % (2002)
Barometer 1017.6 hPa 1019.6 hPa 1015.6 hPa 1027.1 hPa (1997) 1003.7 hPa (2008)
Wind Speed 6 km/h 17.1 km/h 35.2 km/h (2008)
Wind Gust 29.5 km/h 40.7 km/h (2008)
Precipitation 35.56 mm 35.56 mm (2001)
Weather ElementAverage
Visibility13.8 km
Wind DirectionENE (76.8 °)
Weather ElementTotal
Heating Degree Days5.3 (Base 18.3)
Cooling Degree Days4.8 (Base 18.3)
Growing Degree Days12.4 (Base 10)
Total Years on Record: 21
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