ST. HELENA, CALIFORNIA

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Elevation: 170 feet Latitude: 38 26N Longitude: 122 25W

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DAILY WEATHER AVERAGE - OCTOBER 22

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	57.1 ^°F	75.6 ^°F	45.3 ^°F	84.2 ^°F (2011)	41 ^°F (2011)
Dewpoint	49.7 ^°F	55.4 ^°F	44.2 ^°F	59 ^°F (2011)	41 ^°F (2011)
Humidity	80.2 ^%	100 ^%	40.4 ^%		33 ^% (2011)
Barometer	30.00 ⁱⁿ	30.05 ⁱⁿ	29.94 ⁱⁿ	30.15 ⁱⁿ (2011)	29.80 ⁱⁿ (2012)
Wind Speed	4.1 ^mph	12.5 ^mph		17.3 ^mph (2012)
Wind Gust		19.2 ^mph		23 ^mph (2012)
Precipitation	0.22 ⁱⁿ			0.22 ⁱⁿ (2012)

Weather Element	Average
Visibility	7.7 ^mi
Wind Direction	S (178.5 °)

Weather Element	Total
Heating Degree Days	4.6 (Base 18.3)
Growing Degree Days	10.4 (Base 10)

Total Years on Record: 5

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