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
Zephyr (protocol) returning datagrams are incorrectly routed. Most sites have deployed Zephyr using Kerberos 4 authentication exclusively, though in late 2007, some sites, including Iowa State, deployed Zephyr using Kerberos 5. Zephyr (protocol) Created at MIT, as part of Project Athena, Zephyr was designed as an instant messaging protocol and application-suite with a heavy Unix background. Using the "do one thing, do it well" philosophy of Unix, it was made up of several separate programs working together to make a complete messaging system. Zephyr and IRC are the first widely used IP-based instant-messaging systems. Zephyr is the invention of Ciarán Anthony DellaFera