WEST RICHLAND, WASHINGTON

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Elevation: 724 feet Latitude: 46 24N Longitude: 119 10W

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DAILY WEATHER AVERAGE - DECEMBER 15

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	37 ^°F	44 ^°F	28.9 ^°F	59 ^°F (1999)	3.9 ^°F (2008)
Dewpoint	30.2 ^°F	34.1 ^°F	24.9 ^°F	46 ^°F (1999)	-0.9 ^°F (2006)
Humidity	77.8 ^%	92.2 ^%	59.8 ^%		37 ^% (2006)
Barometer	30.15 ⁱⁿ	30.27 ⁱⁿ	30.01 ⁱⁿ	30.66 ⁱⁿ (2004)	29.21 ⁱⁿ (2002)
Wind Speed	8.1 ^mph	16.8 ^mph		38 ^mph (2006)
Wind Gust		32.8 ^mph		52.9 ^mph (2006)
Precipitation	0.15 ⁱⁿ			0.37 ⁱⁿ (2009)

Weather Element	Average
Visibility	12 ^mi
Wind Direction	SSE (165.8 °)

Weather Element	Total
Heating Degree Days	28.6 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Total Years on Record: 21

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