BYU was #33 on kenpom.com before the start of last year and finished #18.
"Kenpom.com typically releases its preseason college basketball rankings around the same time as the AP poll, which is usually in late October.
The Pomeroy College Basketball Ratings are predictive ratings of men's college basketball teams that are published for free on kenpom.com.
....The weight of preseason ratings decreases throughout the season, and is zero after a team's 27th D-I game. This is designed to prevent preseason ratings from biasing a team's performance during the season." Google