We don't get any regular information on local TV ratings, but nielsen wire has some interesting information on local NBA TV ratings for this season compared to last season:
Less than a month into watching the NBA season, Nielsen has spotted some noticeable trends, including several teams outscoring last year’s ratings in their local markets. While the San Antonio Spurs are still the highest-rated NBA team with a 6.8 Average Householdin their market, the Cleveland Cavaliers and Portland Trailblazers are close behind, thanks to large increases in viewership compared to this time period last season.
New Orleans' ratings are up 163% over last season and Cleveland's ratings are up 109% and are the second highest rated of all NBA teams locally this season. It is noteworty to me that only one of the top 5 NBA cities for local ratings has an NFL team (Cleveland) and they're not very good. The second five all have NFL teams (that is, if you count the Lions).
Read the entire article here.