ST. HELENA, CALIFORNIA

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

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DAILY WEATHER AVERAGE - 22 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	13 ^°C	20.4 ^°C	6.6 ^°C	29 ^°C (2013)	3 ^°C (2011)
Dewpoint	8.8 ^°C	12.4 ^°C	5.6 ^°C	17 ^°C (2012)	3 ^°C (2013)
Humidity	78.9 ^%	100 ^%	51.6 ^%		30 ^% (2012)
Barometer	1014.9 ^hPa	1016.6 ^hPa	1013.2 ^hPa	1020.7 ^hPa (2014)	1011.2 ^hPa (2015)
Wind Speed	9.5 ^km/h	27.4 ^km/h		38.9 ^km/h (2014)
Wind Gust		37.8 ^km/h		55.5 ^km/h (2014)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SSW (203.7 °)

Weather Element	Total
Heating Degree Days	4.8 (Base 18.3)
Growing Degree Days	4.6 (Base 10)

Total Years on Record: 5

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