OTTAWA, ILLINOIS

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Elevation: 188 meters Latitude: 41 19N Longitude: 088 59W

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DAILY WEATHER AVERAGE - 18 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.4 ^°C	2.9 ^°C	-5.6 ^°C	7.5 ^°C (2012)	-10.1 ^°C (2013)
Dewpoint	-5.3 ^°C	-1.8 ^°C	-8.4 ^°C	3.5 ^°C (2012)	-11.8 ^°C (2015)
Humidity	75.4 ^%	88 ^%	62.5 ^%		47 ^% (2012)
Barometer	1016.3 ^hPa	1020.7 ^hPa	1012.5 ^hPa	1026.1 ^hPa (2014)	1000.7 ^hPa (2012)
Wind Speed	18.3 ^km/h	32.5 ^km/h		42.6 ^km/h (2013)
Wind Gust		50.7 ^km/h		51.8 ^km/h (2013)
Precipitation	---			--- ()

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	WSW (237.2 °)

Weather Element	Total
Heating Degree Days	19.7 (Base 18.3)

Total Years on Record: 4

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