bsrn.physics.geometry.get_ghi_extra

bsrn.physics.geometry.get_ghi_extra(times, zenith)

Calculates extraterrestrial horizontal irradiance ($GHI_E$, $E_0$).

Parameters:

• times (pd.DatetimeIndex) – Times for calculation.

• zenith (numeric or Series) – Solar zenith angle ($Z$). [degrees]

Returns:

ghi_extra – Extraterrestrial horizontal irradiance ($E_0$). [W/m^2]

Return type:

pd.Series