Editing Qattara Depression (section)

==Climate==

The climate of the Qattara Depression is highly [[wiktionary:arid|arid]] with annual [[precipitation (meteorology)|precipitation]] between {{cvt|25|and|50|mm|in}} on the northern rim to less than {{cvt|25|mm|in}} in the south of the depression. The average daily temperature varies between {{convert|36.2|to|6.2|C|F}} during summer and winter months. The prevailing wind forms a largely bimodal regime with most wind coming from north easterly and westerly directions. This causes the linear dune formations in the Western desert between the Qattara Depression and the Nile valley. Wind speeds peak in March at {{cvt|11.5|m/s|mph}} and minimal in December at {{cvt|3.2|m/s|mph}}.<ref name="Geomorphology"/>
The average wind speed is about {{cvt|5|to|6|m/s|mph}}.<ref name=windatlas>Mortensen, N. G.; Said, U.S.; Badger, J. (2006). ''Wind Atlas for Egypt: Measurements, Micro- and Mesoscale Modeling''. New and Renewable Energy Authority, Cairo, Egypt</ref> Several days each year in the months March to May [[khamsin|khamsin winds]] blow in from the south and bring extremely high temperatures as well as sand and dust with them.