Where is Hyperbole in Jane Eyre?

The beginning of chapter 9 describes how the land changed from winter to spring, and where Jane liked to take walks at Lowood, and the forest-DELL from where the fog and typhus came from.

ex) April advanced to May: a bright, serene May it was; days of blue sky, placid sunshine, and soft weestern or southern gales filled up its duration. And now vegetation matured with vigor; Lowood shook loose its tresses; it became green, all flowery; its great elm, ash, and oak skeletons were reestored to majestic life; woodland plants sprang up profusely in its recesses...