HALEAKALA SUMMIT, HAWAII

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Elevation: 9960 feet Latitude: 20 43N Longitude: 156 16W

WEATHER

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DAILY WEATHER AVERAGE - SEPTEMBER 2

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	79.4 ^°F	87.6 ^°F	72.3 ^°F	92.5 ^°F (1997)	66.9 ^°F (2004)
Dewpoint	67.5 ^°F	70.1 ^°F	64.5 ^°F	75.9 ^°F (2015)	60.1 ^°F (2007)
Humidity	67.9 ^%	83.4 ^%	50 ^%		39 ^% (2007)
Barometer	30.00 ⁱⁿ	30.04 ⁱⁿ	29.95 ⁱⁿ	30.12 ⁱⁿ (2011)	29.83 ⁱⁿ (2015)
Wind Speed	14.3 ^mph	25 ^mph		32.2 ^mph (2011)
Wind Gust		31 ^mph		38 ^mph (2009)
Precipitation	0.06 ⁱⁿ			0.11 ⁱⁿ (1998)

Weather Element	Average
Visibility	10.9 ^mi
Wind Direction	ENE (56.2 °)

Weather Element	Total
Cooling Degree Days	15 (Base 18.3)
Growing Degree Days	30 (Base 10)

Total Years on Record: 21

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