HALF MOON BAY, CALIFORNIA

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

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DAILY WEATHER AVERAGE - 21 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	14.7 ^°C	18.2 ^°C	0.1 ^°C	22 ^°C (2015)	(2014)
Dewpoint	13 ^°C	15 ^°C	11.3 ^°C	16 ^°C (2013)	10 ^°C (2015)
Humidity	90.2 ^%	96.4 ^%	77.8 ^%		64 ^% (2010)
Barometer	1011.9 ^hPa	1013.5 ^hPa	1010.5 ^hPa	1017.3 ^hPa (2014)	1007.5 ^hPa (2015)
Wind Speed	9.5 ^km/h	21.1 ^km/h		27.8 ^km/h (2013)
Wind Gust		35.2 ^km/h		38.9 ^km/h (2013)
Precipitation	18.8 ^mm			18.8 ^mm (2013)

Weather Element	Average
Visibility	8.7 ^km
Wind Direction	SSE (156.9 °)

Weather Element	Total
Heating Degree Days	9.2 (Base 18.3)
Growing Degree Days	4.3 (Base 10)

Total Years on Record: 5

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