Khartoum main Nile ("see map, upper right") as it zigzags through northern Sudan into Egypt at Lake Nasser. Khartoum is relatively flat, at elevation , as the Nile flows northeast past Omdurman to Shendi, at elevation about away. Under Köppen's climate classification system, Khartoum features a hot arid climate, with only the summer months seeing noticeable precipitation. The city averages a little over of precipitation per year. Based on annual mean temperatures, the city is one of the hottest major cities in the world. Temperatures routinely exceed in mid-summer. Its average annual high temperature is , with six months of the
Bank of Khartoum Bank Misr's six branches became People's Cooperative Bank. Arab Bank's four branches became Red Sea Bank or Red Sea Commercial Bank (reports differ). Commercial Bank of Ethiopia's one branch became Juba Commercial Bank. National and Grindlays Bank's four branches, which Ottoman Bank had established, became Omdurman Bank. Then in 1973 the government merged Red Sea Bank and People's Cooperative Bank into Omdurman Bank. Eleven years later, Omdurman Bank merged with Juba Commercial Bank to form Unity Bank. In 1993, the government grouped Unity Bank, National Export Import Bank, and Bank of Khartoum into the Khartoum Bank Group. In 2002 the