SAN MARCOS, TEXAS

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Elevation: 647 feet Latitude: 29 51N Longitude: 097 57W

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DAILY WEATHER AVERAGE - SEPTEMBER 19

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	79.1 ^°F	90.3 ^°F	70 ^°F	96.8 ^°F (2005)	57.2 ^°F (2006)
Dewpoint	65.3 ^°F	70.6 ^°F	60.2 ^°F	75.2 ^°F (2010)	44.6 ^°F (2011)
Humidity	66.2 ^%	87.9 ^%	41.4 ^%		21 ^% (2011)
Barometer	29.96 ⁱⁿ	30.03 ⁱⁿ	29.91 ⁱⁿ	30.17 ⁱⁿ (2006)	29.69 ⁱⁿ (2002)
Wind Speed	6.5 ^mph	13.8 ^mph		18.4 ^mph (2003)
Wind Gust		20 ^mph		33.4 ^mph (2010)
Precipitation	0.47 ⁱⁿ			1.00 ⁱⁿ (2002)

Weather Element	Average
Visibility	9.6 ^mi
Wind Direction	SE (134.3 °)

Weather Element	Total
Cooling Degree Days	15.2 (Base 18.3)
Growing Degree Days	30.2 (Base 10)

Total Years on Record: 19

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