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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 - AUGUST 1
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 62.4 °F 79.3 °F 52.3 °F 82.4 °F (2014) 46.4 °F (2012)
Dewpoint 55 °F 58.6 °F 50.9 °F 62.6 °F (2014) 44.6 °F (2012)
Humidity 79.9 % 98.5 % 45.5 % 42 % (2012)
Barometer 29.98 in 30.03 in 29.94 in 30.07 in (2012) 29.88 in (2014)
Wind Speed 6.5 mph 13.3 mph 15 mph (2015)
Wind Gust 19.2 mph 23 mph (2015)
Precipitation --- --- ()
Weather ElementAverage
Visibility7.9 mi
Wind DirectionWSW (251.6 °)
Weather ElementTotal
Heating Degree Days2 (Base 18.3)
Cooling Degree Days3.5 (Base 18.3)
Growing Degree Days15.8 (Base 10)
Total Years on Record: 4
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