@property<EOL><INDENT>def albedo(self):<DEDENT>
return self._get_data_by_field(<NUM_LIT:32>)<EOL>
Return annual Albedo values as a Ladybug Data Collection.

        The ratio (unitless) of reflected solar irradiance to global horizontal
        irradiance. It is not currently used in EnergyPlus.

        Read more at: https://energyplus.net/sites/all/modules/custom/nrel_custom/pdfs
            /pdfs_v8.4.0/AuxiliaryPrograms.pdf (Chapter 2.9.1)