Conan on The Tonight Show: Third Night Charm?

Night three of Conan O’Brien as new host of NBC franchise The Tonight Show scored a 4.3 rating/11 share in the metered markets. Comparably, that outdelivered CBS’ competing The Late Show with David Letterman (2.8/ 7) by 54 percent, and ABC’s combination of Nightline (2.7/ 6) and Jimmy Kimmel Live (1.2/ 4) by an average 121 percent.

Additionally, comparably, the 4.3 rating was up by 10 percent from Tonight’s current second quarter average (3.9), and lead-out Late Night with Jimmy Fallon (1.9/ 7 at 12:35 a.m.: up 12 percent from second quarter) continues to benefit.

As expected, however, Conan’s overnight performance continues to diminish as the week progresses. Take a look:

The Tonight Show with Conan O’Brien (NBC)

Monday 6/01/09: 7.1/17

Tuesday 6/02/09: 5.0/12

Wednesday 6/03/09: 4.3/11