1990 climate statistics (a "normal" year) for three cities in the Highlands. Rainfall generally increases from north to south: Sana'a 15.31 °N, Ibb 14.00 °N, Taiz 13.41 °N. Rainfall data are missing for Ibb (November) and Taiz (August). Data source: Civil Aviation and Meteorology Authority, Meteorology Sector, Computer Department, Sana'a, Republic of Yemen. (back)