However, their exact height can vary depending on factors like:

* Location: Cirrus clouds in the tropics tend to be higher than those in polar regions.

* Season: They are typically higher in the summer than in the winter.

* Atmospheric conditions: Strong updrafts can push cirrus clouds to even higher altitudes.

It's worth noting that there are different types of cirrus clouds, and their altitude can vary accordingly:

* Cirrus fibratus (fibrous): These are the most common type, and they typically form at the highest altitudes.

* Cirrus uncinus (hooked): These are similar to fibratus but have a hooked appearance. They also form at high altitudes.

* Cirrus spissatus (dense): These are thicker and more opaque than other types of cirrus. They can sometimes form at slightly lower altitudes.

So, while the general range is 5,000 to 13,000 meters, it's helpful to remember that the specific altitude of a cirrus cloud can be influenced by various factors.