RIO VISTA, CALIFORNIA

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

WEATHER

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.6 ^°C	12.3 ^°C	3.5 ^°C	25 ^°C (1999)	-2.8 ^°C (2006)
Dewpoint	4.8 ^°C	7.4 ^°C	1.3 ^°C	13 ^°C (2005)	-13.5 ^°C (2013)
Humidity	85.8 ^%	96.9 ^%	65.6 ^%		14 ^% (1999)
Barometer	1019 ^hPa	1021.7 ^hPa	1016.9 ^hPa	1029.8 ^hPa (2008)	1006.4 ^hPa (2010)
Wind Speed	11.3 ^km/h	22.4 ^km/h		46.3 ^km/h (2002)
Wind Gust		46.7 ^km/h		55.5 ^km/h (2002)
Precipitation	4.32 ^mm			10.41 ^mm (2007)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SE (132.6 °)

Weather Element	Total
Heating Degree Days	10.4 (Base 18.3)
Growing Degree Days	2.8 (Base 10)

Total Years on Record: 20

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