mlegend(legend_box_x_position = 28.00, legend_display_type = "continuous", legend_box_y_position = 1.00, legend_box_x_length = 2.00, legend_title = "on", legend_text_font_size = "0.4", legend_box_mode = "positional", legend_text_colour = "black", legend_box_y_length = 14.00, legend = "on", legend_title_text = "Temperature at 850 hPa")