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United States of America

ST. HELENA, CALIFORNIA


Home > North America > United States > California
Elevation: 170 feet     Latitude: 38 26N     Longitude: 122 25W

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DAILY WEATHER AVERAGE - MAY 19
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 55.3 °F 69.4 °F 44.2 °F 78.8 °F (2013) 37.4 °F (2012)
Dewpoint 46.7 °F 52.2 °F 42.1 °F 53.6 °F (2012) 37.4 °F (2013)
Humidity 76.8 % 98.6 % 50 % 27 % (2012)
Barometer 30.01 in 30.05 in 29.97 in 30.14 in (2013) 29.93 in (2014)
Wind Speed 5.5 mph 14 mph 25.3 mph (2014)
Wind Gust 21.6 mph 32.2 mph (2014)
Precipitation --- --- ()
Weather ElementAverage
Visibility8.9 mi
Wind DirectionSSW (189.9 °)
Weather ElementTotal
Heating Degree Days8.2 (Base 18.3)
Growing Degree Days8.8 (Base 10)
Total Years on Record: 5
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