Abstract
By the end of 2007 an automatic weather station (AWS) in the Posesion plant was installed (ENAP), to the east of the region, in the magellanic steppe. The information collected during the 2008 is analyzed and compared with similar registries obtained in Punta Arenas. The amounts and distribution of the solar radiation in different ranks are described, like the rest of the atmospheric variables. It is shown that the temperature of the air, the relative humidity and the wind, depend directly on the variations of the solar radiation, daily as well as seasonally. The temperature of the ground only shows a seasonal dependency with solar energy, whereas the variations of the atmospheric pressure do not seem to depend on the variations of the radiation. In relation with Punta Arenas, the radiation in Posesion area is generally greater because of the lower, cloudiness and slight precipitation. This contributes to a greater temperature, although also the main current of the wind is responsible for this. The wind speeds are higher than in Punta Arenas, although the instantaneous gusts of wind are minor which show winds that are less gusty than in Punta Arenas. The diverse variables are compared depending on the wind direction and are compared to Punta Arenas.
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