CONCORD - MALLARD RESERVOIR, CALIFORNIA

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Elevation: 15 meters Latitude: 38 01N Longitude: 122 01W

WEATHER

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	8.7 ^°C	12.7 ^°C	4.6 ^°C	20.6 ^°C (1999)	-1.1 ^°C (2006)
Dewpoint	4.4 ^°C	6.9 ^°C	1.6 ^°C	12.8 ^°C (2014)	-12.8 ^°C (2013)
Humidity	77.4 ^%	92.9 ^%	60 ^%		13 ^% (2000)
Barometer	1017.9 ^hPa	1020.7 ^hPa	1015.9 ^hPa	1028.8 ^hPa (2008)	1005.1 ^hPa (2010)
Wind Speed	8.7 ^km/h	20.4 ^km/h		33.3 ^km/h (2001)
Wind Gust		38.9 ^km/h		46.3 ^km/h (1998)
Precipitation	7.87 ^mm			23.37 ^mm (2001)

Weather Element	Average
Visibility	13 ^km
Wind Direction	ESE (119.3 °)

Weather Element	Total
Heating Degree Days	9.7 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Total Years on Record: 20

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