RIO VISTA, CALIFORNIA

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Elevation: 20 feet Latitude: 38 10N Longitude: 121 41W

WEATHER

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DAILY WEATHER AVERAGE - DECEMBER 20

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	45.6 ^°F	54.1 ^°F	38.3 ^°F	77 ^°F (1999)	27 ^°F (2006)
Dewpoint	40.6 ^°F	45.4 ^°F	34.3 ^°F	55.4 ^°F (2005)	7.7 ^°F (2013)
Humidity	85.8 ^%	96.9 ^%	65.6 ^%		14 ^% (1999)
Barometer	30.09 ⁱⁿ	30.17 ⁱⁿ	30.03 ⁱⁿ	30.41 ⁱⁿ (2008)	29.72 ⁱⁿ (2010)
Wind Speed	7 ^mph	13.9 ^mph		28.8 ^mph (2002)
Wind Gust		29 ^mph		34.5 ^mph (2002)
Precipitation	0.17 ⁱⁿ			0.41 ⁱⁿ (2007)

Weather Element	Average
Visibility	8.6 ^mi
Wind Direction	SE (132.6 °)

Weather Element	Total
Heating Degree Days	18.8 (Base 18.3)
Growing Degree Days	5 (Base 10)

Total Years on Record: 20

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