SAINT JOHN, CALIFORNIA

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Elevation: 46 meters Latitude: 39 42N Longitude: 122 00W

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DAILY WEATHER AVERAGE - 12 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.5 ^°C	10.3 ^°C	2 ^°C	14 ^°C (2011)	(2013)
Dewpoint	3.7 ^°C	5.8 ^°C	3 ^°C	11 ^°C (2010)	-2 ^°C (2013)
Humidity	83.9 ^%	95.1 ^%	67.6 ^%		31 ^% (2011)
Barometer	1019.3 ^hPa	1021.7 ^hPa	1016.6 ^hPa	1036.2 ^hPa (1997)	994.2 ^hPa (1995)
Wind Speed	14.2 ^km/h	24.8 ^km/h		74 ^km/h (1995)
Wind Gust		57 ^km/h		101.9 ^km/h (1995)
Precipitation	19.3 ^mm			19.3 ^mm (2009)

Weather Element	Average
Visibility	25.3 ^km
Wind Direction	SE (138.8 °)

Weather Element	Total
Heating Degree Days	12.2 (Base 18.3)

Total Years on Record: 21

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