@property<EOL><INDENT>def days_since_last_snowfall(self):<DEDENT>
return self._get_data_by_field(<NUM_LIT>)<EOL>
Return annual Days Since Last Snow Fall as a Ladybug Data Collection.

        This is the value for Days Since Last Snowfall. It is not currently used in
        EnergyPlus calculations. Missing value is 99.

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