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United States of America

ST. HELENA, SOUTH DAKOTA


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Elevation: 1241 feet     Latitude: 42 51N     Longitude: 097 29W

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DAILY WEATHER AVERAGE - AUGUST 22
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 72.8 °F 81.9 °F 62.9 °F 93.2 °F (2012) 48.2 °F (2009)
Dewpoint 62.9 °F 67.7 °F 57 °F 73.4 °F (2011) 42.8 °F (2012)
Humidity 73.4 % 92.2 % 52.6 % 24 % (2012)
Barometer 29.97 in 30.06 in 29.89 in 30.28 in (1996) 29.63 in (2015)
Wind Speed 8.9 mph 18 mph 29.9 mph (2002)
Wind Gust 28.5 mph 39.1 mph (2004)
Precipitation 0.45 in 1.76 in (2004)
Weather ElementAverage
Visibility9.2 mi
Wind DirectionSSE (142.4 °)
Weather ElementTotal
Heating Degree Days3.3 (Base 18.3)
Cooling Degree Days8 (Base 18.3)
Growing Degree Days22.4 (Base 10)
Total Years on Record: 21
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