A transcript for a half-hour radio comedy show with some formatting takes up about 60 kB. The English Wikipedia page for Monty Python is about 130 kB in pure UTF-8 text and the actual HTML page takes up around around 660 kB (plus/minus, depending on which Wikipedia theme exactly you use).
So large, text-heavy pages don't seem too unlikely to exceed 250 kB, especially if they also include some amount of formatting that's more substantial than just a minimal bunch of <p> tags.