def annual_heating_design_day_996(self):
        """A design day object representing the annual 99.6% heating design day."""
        if bool(self._winter_des_day_dict) is True:
            return DesignDay.from_ashrae_dict_heating(
                self._winter_des_day_dict, self.location, False,
                self._stand_press_at_elev)
        else:
            return None
def annual_heating_design_day_996 ( self ) : if bool ( self . _winter_des_day_dict ) is True : return DesignDay . from_ashrae_dict_heating ( self . _winter_des_day_dict , self . location , False , self . _stand_press_at_elev ) else : return None
A design day object representing the annual 99.6% heating design day.