THE SMART TRICK OF PVGIS OFFICIAL THAT NO ONE IS DISCUSSING

(partly solved) In PVGIS 5.2 we extract climatic variables which include temperature, wind speed, wind way, humidity and infrared radiation downwards from ERA5-Land. We've now seen that some regions over the Coastline can demonstrate values of those variables that are zero or close to zero (see the darkish places together the coast on map underneat