@property<EOL><INDENT>def snow_depth(self):<DEDENT>
return self._get_data_by_field(<NUM_LIT:30>)<EOL>
Return annual Snow Depth as a Ladybug Data Collection.

        This is the value for Snow Depth in cm. This field is used to tell when snow
        is on the ground and, thus, the ground reflectance may change. Missing value
        is 999.

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