PORTOLA VALLEY, CALIFORNIA

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Elevation: 107 meters Latitude: 37 24N Longitude: 122 14W

WEATHER

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DAILY WEATHER AVERAGE - 24 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.6 ^°C	14.7 ^°C	6.3 ^°C	19 ^°C (2005)	-1 ^°C (1998)
Dewpoint	5.2 ^°C	7.6 ^°C	2.8 ^°C	15 ^°C (2005)	-5 ^°C (2009)
Humidity	71.2 ^%	89.1 ^%	51.5 ^%		31 ^% (2009)
Barometer	1022.4 ^hPa	1024.4 ^hPa	1020.7 ^hPa	1035.6 ^hPa (1998)	1007.1 ^hPa (2003)
Wind Speed	9.5 ^km/h	18.5 ^km/h		44.4 ^km/h (2014)
Wind Gust		44.1 ^km/h		55.5 ^km/h (1997)
Precipitation	2.03 ^mm			2.03 ^mm (2015)

Weather Element	Average
Visibility	24 ^km
Wind Direction	SSE (155.5 °)

Weather Element	Total
Heating Degree Days	7.8 (Base 18.3)
Growing Degree Days	2.2 (Base 10)

Total Years on Record: 21

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