pvlib.forecast.HRRR.cloud_cover_to_transmittance_linear

HRRR.cloud_cover_to_transmittance_linear(cloud_cover, offset=0.75, **kwargs)

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.