NASA Surface
meteorology and
Solar Energy:
RETScreen Data
22.5 / Longitude 113.2 was chosen.
Unit Climate data location Latitude°N22.5
Longitude°E113.2
Elevation m77
Heating design
temperature°C8.7
Cooling design
temperature°C30.04
Earth temperature
amplitude°C11.34
Frost days at site day0
Month
Air
temperatu
re
Relative humidity
Daily
solar
radiatio
n -
horizont
al
Atmosphe
ric
pressure
Wind
speed °C%kWh/m2/d kPa m/s
January14.763.90% 3.02101.2 4.7 February16.169.20% 2.78101 4.2 March19.173.40% 3.03100.74 April22.480.90% 3.63100.4 3.5 May24.685.20% 4.24100 3.2 June26.187.80% 4.5399.7 3.6 July26.487.70% 4.9699.7 3.5 August26.486.40% 4.6399.6 3.2 September25.382.00% 4.35100 3.5 October23.567.90% 4.22100.65 November20.259.70% 3.79101 5.4 December16.159.30% 3.25101.2 5.2 Annual
21.775.30% 3.87100.4 4.1 Measured at (m)10
Earth temperat
ure Heating
degree-
days
Cooling
degree-
days
°C°C-d°C-d 15.6110157 17.377179 20.436283 23.94368 260449 27.40482 27.70513 27.60516 260471 240434 20.811321 16.674201 22.83124374 0