What does the hyperbole in this text suggest?
Last August, you could fry an egg on the sidewalk in Austin.

 - It is no longer possible to fry an egg on the sidewalk in Austin.
 - Austin was extremely hot last August.
The text uses hyperbole, an obvious exaggeration that is not meant to be taken literally.
The hyperbole you could fry an egg on the sidewalk suggests that Austin was extremely hot last August. You could not literally fry an egg on the sidewalk.