This was in September 1922. Freezing temperatures are however not uncommon at night from December to February. Animals and plants. Many plants have long roots that allow them to reach out and collect water over great distances. Other desert plants have taproots.
Taproots grow very deep so they can tap sources of underground water.
Species of plants such as cypress and olive along with Acacia and Artemisia, doum palm, oleander, date palm, and thyme, are found in the region. The severity of the climate makes desert life difficult for people, plants and animals. Yet some do find their habitat in it. Camels are able to survive long periods without food or water. The savannah acts as a transitional zone between the Sahara desert and the tropical forest of central Africa.