pvlib.forecast.ForecastModel.cloud_cover_to_transmittance_linear

ForecastModel.cloud_cover_to_transmittance_linear(cloud_cover, offset=0.75, **kwargs)[source]

Convert cloud cover to atmospheric transmittance using a linear model.

0% cloud cover returns offset.

100% cloud cover returns 0.

Parameters:
  • cloud_cover (numeric) – Cloud cover in %.
  • offset (numeric, default 0.75) – Determines the maximum transmittance.
  • kwargs – Not used.
Returns:

ghi (numeric) – Estimated GHI.