UPPER HELEMANO RESERVOIR, HAWAII

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Elevation: 314 meters Latitude: 21 32N Longitude: 158 02W

WEATHER

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	21.4 ^°C	24.6 ^°C	18 ^°C	27 ^°C (2004)	15 ^°C (1995)
Dewpoint	17.9 ^°C	19.3 ^°C	16.5 ^°C	22 ^°C (2004)	14.5 ^°C (2002)
Humidity	81.7 ^%	96.1 ^%	65.8 ^%		51 ^% (2002)
Barometer	1017.3 ^hPa	1019 ^hPa	1015.2 ^hPa	1022.7 ^hPa (2015)	1010.2 ^hPa (2010)
Wind Speed	9.8 ^km/h	23.3 ^km/h		31.5 ^km/h (1999)
Wind Gust		62.6 ^km/h		264.9 ^km/h (2013)
Precipitation	7.11 ^mm			34.54 ^mm (2010)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	ESE (125.5 °)

Weather Element	Total
Cooling Degree Days	3 (Base 18.3)
Growing Degree Days	11.3 (Base 10)

Total Years on Record: 15

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