Metropolitan City of Cagliari the warmest month with an average temperature of that of about . African anticyclone activity can cause heat waves starting in June. From mid-June to mid-September rain is rare and appears in afternoon storms. The rainy season starts in September, but the first cold days come in December, usually the wettest month. Winds are frequent, especially the mistral and sirocco; in Summer days a marine sirocco breeze ("s'imbattu") lowers the temperature and the humidity. On the surrounding mountains, the climate is very different with plentiful average rainfall, cold winters, and mild warm summers (Csb in the Köppen climate classification). As
Mark Twain Zephyr Mark Twain Zephyr The Mark Twain Zephyr was an early four-unit articulated trainset that was similar to the "Pioneer Zephyr" in style. The train was built by the Budd Company and was powered by a diesel engine produced by the Winton Engine Company. The train was named "Mark Twain Zephyr" because it was scheduled to provide service from St. Louis, Missouri to Burlington, Iowa via Hannibal, Missouri, Twain's hometown. The train's exterior structure used stainless steel, and had a "shovel nose" front. The locomotive, number 9903, was named Injun Joe. The three cars received other names of Mark Twain characters,