HALF MOON BAY, CALIFORNIA

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Elevation: 12 meters Latitude: 37 28N Longitude: 122 26W

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DAILY WEATHER AVERAGE - 18 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.3 ^°C	12.7 ^°C	7 ^°C	15 ^°C (2014)	1 ^°C (2011)
Dewpoint	7.8 ^°C	10 ^°C	4.5 ^°C	13 ^°C (2010)	-1 ^°C (2012)
Humidity	86 ^%	94.3 ^%	74.5 ^%		50 ^% (2012)
Barometer	1016.9 ^hPa	1019.6 ^hPa	1014.2 ^hPa	1023.7 ^hPa (2011)	1007.1 ^hPa (2010)
Wind Speed	14.6 ^km/h	32.5 ^km/h		44.4 ^km/h (2013)
Wind Gust		54.7 ^km/h		61.2 ^km/h (2012)
Precipitation	31.75 ^mm			31.75 ^mm (2010)

Weather Element	Average
Visibility	11.4 ^km
Wind Direction	SSE (171.1 °)

Weather Element	Total
Heating Degree Days	8.5 (Base 18.3)
Growing Degree Days	2 (Base 10)

Total Years on Record: 6

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