SAN MARCOS, TEXAS

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Elevation: 197 meters Latitude: 29 51N Longitude: 097 57W

WEATHER

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DAILY WEATHER AVERAGE - 18 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.6 ^°C	30.5 ^°C	18.2 ^°C	34 ^°C (2008)	13 ^°C (2009)
Dewpoint	16.1 ^°C	18.9 ^°C	13.2 ^°C	24 ^°C (2015)	4 ^°C (2008)
Humidity	65.6 ^%	86.3 ^%	40.5 ^%		20 ^% (2008)
Barometer	1014.9 ^hPa	1017.3 ^hPa	1012.2 ^hPa	1025.1 ^hPa (2009)	1003.4 ^hPa (2011)
Wind Speed	15.8 ^km/h	29.5 ^km/h		50.1 ^km/h (1999)
Wind Gust		40.1 ^km/h		72.3 ^km/h (1999)
Precipitation	0.76 ^mm			0.76 ^mm (1999)

Weather Element	Average
Visibility	15.6 ^km
Wind Direction	SE (138.9 °)

Weather Element	Total
Cooling Degree Days	6 (Base 18.3)
Growing Degree Days	14.3 (Base 10)

Total Years on Record: 20

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