Since Leno'swas in repeats last week, and 's was in original episodes during the comparable week of 2009, this week's ratings comparison is entirely apples to oranges.
In repeats for the week of August 23-27, 2010, Jay Leno’saveraged a 0.9 with adults 18-49.That's well below ’s original episode ratings for the comparable calendar week last year (August 22-28, 2009) which averaged a 1.2 rating with adults 18-49.
The chart shows the late night adults 18-49 weekly average ratings for 2009 and 2010.
Note: The week ending 7/2/2010, thewas in repeats, and was delayed by Wimbledon coverage. The week of 7/9/2010 the was in repeats, and both shows Monday airings were excluded because of the holiday. For the weeks ending 7/16-8/6, was a repeat only on Friday. The week ending 8/13, was encores all week. Both and were repeats the week ending 8/20. The Tonight Show was in repeats the week ending 8/27/10.