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Data parameters

Solar radiation data

GHI Global horizontal irradiation W/m2
DIF Diffuse horizontal irradiation W/m2
DNI Direct normal irradiation W/m2
GTI Global tilted irradiation W/m2
UVA Ultraviolet radiation region A  
UVB Ultraviolet radiation region B  

Meteorological data

TEMP Air temperature at 2 meters °C / °F  
WS Wind speed m/s at 10 m above ground m/s  
WD Wind direction m/s at 10 m above ground °  
WG Wind gusts at 10 m above ground m/s  
RH Relative humidity at 2m above ground %  
AP Atmospheric pressure hPa  
PWAT Precipitable water kg/m2 Precipitable water is the depth of water vapour in a column of the atmosphere, if all the water in that column were precipitated as rain. It indicates the amount of moisture above ground.

Other data

ALB Surface albedo   Fraction of solar irradiance reflected by surface. Ratio of upwelling to downwelling (GHI) radiative fluxes at the surface.
SE Sun altitude angle °  
SA Sun azimuth angle °  

Spatial resolution

Spatial resolutionData parameters

250m x 250m

Solar radiation parameters

1 km x 1 km

Air temperature

approx. 25 to 35 km

Other meteorological data

0.5 km x 0.5 km

Ground albedo data

Geographical and temporal coverage

coverage map EVALUATE v202206+years+dataOnRequest

Solar radiation data is available from years as indicated on the map above. Data for the sites in a shaded areas is generated manually upon request.

For other meteorological parameters data is available from year 1994 for all regions.
Ground albedo data is available from year 2000.

Other data specification

Data formats

Solargis csv

SAM csv - only for TMY

Helioscope compatible TMY

Time reference

UTC – default

Longitudinal time zone – default for TMY data

Local time zone – on request