MCDONALD OBSERVATORY, TEXAS

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Elevation: 1756 meters Latitude: 30 32N Longitude: 104 08W

WEATHER

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DAILY WEATHER AVERAGE - 15 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.9 ^°C	13.2 ^°C	-4.6 ^°C	21 ^°C (2010)	(2015)
Dewpoint	-7.7 ^°C	-4.2 ^°C	-12 ^°C	3 ^°C (2009)	-24 ^°C (2003)
Humidity	44.7 ^%	71.8 ^%	22.6 ^%		12 ^% (2003)
Barometer	1021.3 ^hPa	1024.4 ^hPa	1018.3 ^hPa	1031.2 ^hPa (2004)	1010.5 ^hPa (2010)
Wind Speed	14.8 ^km/h	32 ^km/h		51.8 ^km/h (1996)
Wind Gust		44.3 ^km/h		66.6 ^km/h (1996)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15.9 ^km
Wind Direction	SSE (152.5 °)

Weather Element	Total
Heating Degree Days	14 (Base 18.3)

Total Years on Record: 21

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