What is the metaphors in the sentence

The summer night air was feverish

The writer uses metaphors in the sentences to exaggerate as it shows how loud the crowd was at night as they refer the noise of the crowd like thunder. Thuder is extremly loud. the writer describes the night air as feverish which tells the reader that it was a very cold night and someone could get a fever. Hopefully i helped

Explanation:

for example: in, he, a,from

roses are red,

violets are black,

for what you said,

i hope you sit on a big fat tack.