MATHER AIR FORCE BASE, CALIFORNIA

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Elevation: 131 feet Latitude: 38 34N Longitude: 121 18W

WEATHER

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DAILY WEATHER AVERAGE - DECEMBER 21

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	46.5 ^°F	54.7 ^°F	39.8 ^°F	71.6 ^°F (1999)	24.1 ^°F (1998)
Dewpoint	40.2 ^°F	44.7 ^°F	34.8 ^°F	57.2 ^°F (2014)	10.9 ^°F (2011)
Humidity	81.2 ^%	96.1 ^%	61.2 ^%		20 ^% (2011)
Barometer	30.07 ⁱⁿ	30.16 ⁱⁿ	29.99 ⁱⁿ	30.50 ⁱⁿ (1998)	29.57 ⁱⁿ (1996)
Wind Speed	9.2 ^mph	17.9 ^mph		28.8 ^mph (1997)
Wind Gust		29.1 ^mph		35.7 ^mph (1997)
Precipitation	0.19 ⁱⁿ			0.72 ⁱⁿ (2006)

Weather Element	Average
Visibility	8.3 ^mi
Wind Direction	S (179.2 °)

Weather Element	Total
Heating Degree Days	17.8 (Base 18.3)
Growing Degree Days	3.9 (Base 10)

Total Years on Record: 21

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