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ween the 5th and 6th cataracts which is the area of steep rapids ? The River provides an estimated 14% or the Niles waters in Egypt. Atbarah River provides a higher percent of water during the torrential rains, 22% pared to 14% during the rest of the year. The Nile Delta ? The Nile Delta extends over approximately 22,000 square kilometers. ? Measurements of the annual flood has seen a lot of over flow varying from as low as billion cubic meters and as high as billion cubic meters have been recorded. ? For centuries Egyptians attempted to predict and take advantage of the flows and moderate