Aswan Dam the water saved is lost due to evaporation in Lake Nasser, the amount of water available for irrigation still increased by 22 km. Other estimates put evaporation from Lake Nasser at between 10 and 16 cubic km per year. The dam powers twelve generators each rated at , with a total of . Power generation began in 1967. When the High Dam first reached peak output it produced around half of Egypt's production of electric power (about 15 percent by 1998), and it gave most Egyptian villages the use of electricity for the first time. The High Dam has also
Aswan remain above during the coldest month of the year while average low temperatures remain above . Winters are short, brief and extremely warm. Wintertime is very pleasant and enjoyable while summertime is unbearably hot with blazing sunshine although desert heat is dry. The climate of Aswan is extremely dry year-round, with less than of average annual precipitation. The desert city is one of the driest ones in the world, and rainfall doesn't occur every year, as of early 2001, the last rain there was seven years earlier. Aswan is one of the least humid cities on the planet, with an