ST. HELENA, CALIFORNIA

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Elevation: 52 meters Latitude: 38 26N Longitude: 122 25W

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DAILY WEATHER AVERAGE - 27 NOVEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.3 ^°C	16.4 ^°C	4.8 ^°C	20 ^°C (2014)	2 ^°C (2013)
Dewpoint	4.6 ^°C	7.4 ^°C	2.4 ^°C	13 ^°C (2011)	-9 ^°C (2015)
Humidity	73.6 ^%	90.4 ^%	53.2 ^%		20 ^% (2012)
Barometer	1020 ^hPa	1022.4 ^hPa	1017.9 ^hPa	1028.8 ^hPa (2011)	1011.5 ^hPa (2013)
Wind Speed	7.1 ^km/h	23.3 ^km/h		46.3 ^km/h (2015)
Wind Gust		40.4 ^km/h		79.7 ^km/h (2015)
Precipitation	---			--- ()

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	ESE (96.8 °)

Weather Element	Total
Heating Degree Days	7.7 (Base 18.3)
Growing Degree Days	2.3 (Base 10)

Total Years on Record: 5

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