For the deserts regions, the predicted rainfall for the coming years until 2018 will range from 70 to 110 mm. When comparing it with the amount that had felled in 2009 we can conclude that the rainfall is in a decreasing trend. In some areas, the predicted data showed both decrease and increase at the same time depending on the location. For example, in the north region there will be an increase in total rainfall up to 30 mm, while in the southern region a decrease in total rainfall up to 50 mm is predicted.