SARNIA, ONTARIO

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Elevation: 181 meters Latitude: 43 00N Longitude: 082 18W

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DAILY WEATHER AVERAGE - 4 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	11.3 ^°C	16.4 ^°C	4.3 ^°C	26 ^°C (2000)	-2.2 ^°C (2013)
Dewpoint	4.4 ^°C	7.6 ^°C	0.6 ^°C	18 ^°C (2012)	-5 ^°C (2013)
Humidity	66.2 ^%	88.4 ^%	41.3 ^%		13 ^% (2007)
Barometer	1017.9 ^hPa	1020.7 ^hPa	1014.9 ^hPa	1032.2 ^hPa (2013)	1004.4 ^hPa (2014)
Wind Speed	14.2 ^km/h	25.1 ^km/h		37 ^km/h (2004)
Wind Gust		40.2 ^km/h		53.8 ^km/h (2008)
Precipitation	---			--- ()

Weather Element	Average
Visibility	19 ^km
Wind Direction	SSW (192.2 °)

Weather Element	Total
Heating Degree Days	8 (Base 18.3)
Growing Degree Days	3.7 (Base 10)

Total Years on Record: 21

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