RIO VISTA, CALIFORNIA

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Elevation: 6 meters Latitude: 38 10N Longitude: 121 41W

WEATHER

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DAILY WEATHER AVERAGE - 13 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.2 ^°C	13.7 ^°C	5.4 ^°C	18 ^°C (1996)	-3 ^°C (2011)
Dewpoint	6.4 ^°C	9.7 ^°C	3.3 ^°C	15.3 ^°C (2006)	-4 ^°C (1999)
Humidity	85.4 ^%	97.8 ^%	63.8 ^%		27 ^% (1999)
Barometer	1020 ^hPa	1023.4 ^hPa	1016.3 ^hPa	1030.1 ^hPa (2006)	1004.7 ^hPa (2009)
Wind Speed	12.7 ^km/h	26.2 ^km/h		51.8 ^km/h (2002)
Wind Gust		47 ^km/h		66.6 ^km/h (2002)
Precipitation	7.87 ^mm			15.75 ^mm (2009)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSE (161.2 °)

Weather Element	Total
Heating Degree Days	8.8 (Base 18.3)
Growing Degree Days	2.1 (Base 10)

Total Years on Record: 21

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