RICHLAND, WASHINGTON

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Elevation: 119 meters Latitude: 46 18N Longitude: 119 18W

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DAILY WEATHER AVERAGE - 11 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.2 ^°C	4.8 ^°C	-2.2 ^°C	17.2 ^°C (2014)	-18 ^°C (2009)
Dewpoint	-1.5 ^°C	0.7 ^°C	-4.1 ^°C	10 ^°C (2004)	-21 ^°C (2004)
Humidity	83.7 ^%	94.9 ^%	68.5 ^%		44 ^% (2004)
Barometer	1019.6 ^hPa	1023.7 ^hPa	1015.9 ^hPa	1043.3 ^hPa (1997)	992.6 ^hPa (2014)
Wind Speed	8.7 ^km/h	19.8 ^km/h		44.4 ^km/h (1999)
Wind Gust		51.8 ^km/h		61.2 ^km/h (2006)
Precipitation	3.81 ^mm			9.14 ^mm (2002)

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	SSE (172.1 °)

Weather Element	Total
Heating Degree Days	17.1 (Base 18.3)
Growing Degree Days	0.4 (Base 10)

Total Years on Record: 21

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