<P> According to the United States Coast Guard, "The Western Rivers System consists of the Mississippi, Ohio, Missouri, Illinois, Tennessee, Cumberland, Arkansas, and White Rivers and their tributaries, and certain other rivers that flow towards the Gulf of Mexico ." </P> <P> Most of the public land held by the U.S. National Forest Service and Bureau of Land Management is in the Western states . Public lands account for 25 to 75 percent of the total land area in these states . </P> <P> As a generalization, the climate of the West can be described as semiarid; however, parts of the West get extremely high amounts of rain and / or snow, and still other parts are true desert and get less than 5 inches (130 mm) of rain per year . Also, the climate of the West is quite unstable, as areas that are normally wet can be very dry for years and vice versa . </P> <P> The seasonal temperatures vary greatly throughout the West . Low elevations on the West Coast have warm summers and mild winters with little to no snow . The desert southwest has very hot summers and mild winters . While the mountains in the southwest receive generally large amounts of snow . The Inland Northwest has a continental climate of warm to hot summers and cold to bitter cold winters . </P>

What is the climate in the western region
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