Distance Meteo station - SketchUP model:
Optimum orientation:
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SOF: Surface orientation factor, ratio of annual incident solar radiation for a particular orientation to annual incident solar radiation for an optimally
oriented surface. Shadows of the model are calculated. Effects of morning/afternoon cloudiness and snow cover are also addressed (Hourly TMY meteo data).
Increased ground reflectance due to snow cover is not used but have a negligible effect on SOF plots.
(Anual lapse can be changed using the 8760 hourly array)