pvlib.location.Location.get_airmass

Location.get_airmass(times=None, solar_position=None, model='kastenyoung1989')

Calculate the relative and absolute airmass.

Automatically chooses zenith or apparant zenith depending on the selected model.

Parameters:

times : None or DatetimeIndex, default None

Only used if solar_position is not provided.

solar_position : None or DataFrame, default None

DataFrame with with columns ‘apparent_zenith’, ‘zenith’.

model : str, default ‘kastenyoung1989’

Relative airmass model

Returns:

airmass : DataFrame

Columns are ‘airmass_relative’, ‘airmass_absolute’