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United States of America

DECATUR, ILLINOIS


Home > North America > United States > Illinois
Elevation: 680 feet     Latitude: 39 50N     Longitude: 088 52W

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DAILY WEATHER AVERAGE - JULY 28
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 75.7 °F 85.2 °F 67.3 °F 95 °F (2011) 51.1 °F (2013)
Dewpoint 66.7 °F 70.1 °F 63.1 °F 78.8 °F (1999) 46.9 °F (1995)
Humidity 75.3 % 93.8 % 55.1 % 37 % (1995)
Barometer 29.98 in 30.03 in 29.92 in 30.20 in (1996) 29.76 in (2009)
Wind Speed 7 mph 13.4 mph 24.2 mph (1999)
Wind Gust 24.6 mph 35.7 mph (1999)
Precipitation 0.26 in 1.28 in (2001)
Weather ElementAverage
Visibility9.4 mi
Wind DirectionSSE (168.4 °)
Weather ElementTotal
Heating Degree Days2 (Base 18.3)
Cooling Degree Days11.9 (Base 18.3)
Growing Degree Days26.3 (Base 10)
Total Years on Record: 21
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