MATTAWA, WASHINGTON

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Elevation: 907 feet Latitude: 46 50N Longitude: 119 40W

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DAILY WEATHER AVERAGE - DECEMBER 20

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	30.7 ^°F	38.5 ^°F	25.1 ^°F	64.9 ^°F (1998)	2.3 ^°F (2008)
Dewpoint	24.2 ^°F	28.5 ^°F	20.8 ^°F	37.8 ^°F (2009)	-15.2 ^°F (1998)
Humidity	80.2 ^%	91.9 ^%	66.5 ^%		11 ^% (1998)
Barometer	30.13 ⁱⁿ	30.22 ⁱⁿ	30.03 ⁱⁿ	30.76 ⁱⁿ (1998)	29.49 ⁱⁿ (2010)
Wind Speed	6.6 ^mph	10 ^mph		18.4 ^mph (1998)
Precipitation	---			--- ()

Weather Element	Average
Visibility	11.9 ^mi
Wind Direction	SW (227.8 °)

Weather Element	Total
Heating Degree Days	33.2 (Base 18.3)

Total Years on Record: 17

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