SAINT JOHN, CALIFORNIA

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Elevation: 150 feet Latitude: 39 42N Longitude: 122 00W

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DAILY WEATHER AVERAGE - DECEMBER 13

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	43.3 ^°F	50.4 ^°F	38.6 ^°F	62.6 ^°F (2013)	28.4 ^°F (2013)
Dewpoint	38.7 ^°F	42.5 ^°F	35.1 ^°F	50 ^°F (2010)	24.8 ^°F (2013)
Humidity	81.3 ^%	96.1 ^%	60.4 ^%		27 ^% (2011)
Barometer	30.11 ⁱⁿ	30.19 ⁱⁿ	30.02 ⁱⁿ	30.38 ⁱⁿ (1999)	29.65 ⁱⁿ (2009)
Wind Speed	9.8 ^mph	17.8 ^mph		40.3 ^mph (2015)
Wind Gust		34.5 ^mph		51.8 ^mph (2015)
Precipitation	0.04 ⁱⁿ			0.05 ⁱⁿ (2009)

Weather Element	Average
Visibility	20.5 ^mi
Wind Direction	SSE (146.4 °)

Weather Element	Total
Heating Degree Days	20.5 (Base 18.3)
Growing Degree Days	1.8 (Base 10)

Total Years on Record: 21

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