ST. HELENA, CALIFORNIA

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

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DAILY WEATHER AVERAGE - 17 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.2 ^°C	16 ^°C	4.6 ^°C	18 ^°C (2016)	0 ^°C (2013)
Dewpoint	7.4 ^°C	10.2 ^°C	4.2 ^°C	13 ^°C (2016)	0 ^°C (2014)
Humidity	85 ^%	100 ^%	58.8 ^%		48 ^% (2012)
Barometer	1017.3 ^hPa	1019.3 ^hPa	1015.2 ^hPa	1025.7 ^hPa (2012)	1000 ^hPa (2016)
Wind Speed	8.2 ^km/h	22.7 ^km/h		35.2 ^km/h (2016)
Wind Gust		44.4 ^km/h		64.9 ^km/h (2016)
Precipitation	17.27 ^mm			17.27 ^mm (2016)

Weather Element	Average
Visibility	14.5 ^km
Wind Direction	SSW (218.2 °)

Weather Element	Total
Heating Degree Days	8.1 (Base 18.3)
Growing Degree Days	2.3 (Base 10)

Total Years on Record: 5

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