 Higher wind velocities are more often recorded in cooler months along the coast, generally as the cool northeasterly bura or less frequently as the warm southerly jugo.The sunniest parts of the country are the outer islands, Hvar and Korčula, where more than 2700 hours of sunshine are recorded per year, followed by the middle and southern Adriatic Sea area in general, and northern Adriatic coast, all with more than 2000 hours of sunshine per year.The Republic of Croatia is a unitary state using a parliamentary system of governance.