Climate
The range has a substantially wetter climate than the arid surrounding desert. The run-off from precipitation in the mountains is more regular than the lowland desert. The rainfall during the 1950s was considerable, although still probably under 600 mm/m² per year. Recently, rainfall has been less than 60 mm/m² per year in the new century (since 2000). Lowland wadi areas called Enneri, receive their water from the mountains down storm channels. The rainfall differs massively from year to year; for example the biggest Enneri, Bardargué, flowed at a rate of 425 m³/sec in 1954, but in the subsequent 9 years, was entirely dry for 4 years, had one short flow each year for 4 years (peaking at 5 m³/sec), and in the ninth year had three flows peaking at 4, 9 and 32 m³/sec.
The mean maximum temperature is approximately 30°C in the lowlands and falls to 20°C in the highest elevations. Mean minimum temperatures are 12°C in the lowlands, but fall to 9°C over most of the ecoregion and are as low as 0°C at the highest elevations during winter months.
Read more about this topic: Tibesti Mountains
Famous quotes containing the word climate:
“Culture is the name for what people are interested in, their thoughts, their models, the books they read and the speeches they hear, their table-talk, gossip, controversies, historical sense and scientific training, the values they appreciate, the quality of life they admire. All communities have a culture. It is the climate of their civilization.”
—Walter Lippmann (1889–1974)
“Is not their climate foggy, raw, and dull,
On whom, as in despite, the sun looks pale,
Killing their fruit with frowns?”
—William Shakespeare (1564–1616)
“When we consider how much climate contributes to the happiness of our condition, by the fine sensation it excites, and the productions it is the parent of, we have reason to value highly the accident of birth in such a one as that of Virginia.”
—Thomas Jefferson (1743–1826)