In Late-Night Metered Markets Tuesday night:

· Last night's "The Tonight Show with Jay Leno" delivered the show's highest overnight rating for any night of the week in nearly four years, since the first week of Jay's return in March 2010. For Jimmy Fallon, it was his top Tuesday in metered-market household ratings since June 2009, and matched Jimmy's top-rated Tuesday ever.

· Leno scored a 4.2 rating, 10 share in metered-market households, "Tonight's" strongest local-market rating for any night of the week since Wednesday, March 3, 2010 (4.2/11). It was the highest Tuesday "Tonight" since March 2, 2010 (4.6/12).

· Fallon delivered a 2.1/7 in households, his highest rating for a Tuesday since June 2, 2009 (2.1/7), during the week Conan O'Brien took over "The Tonight Show." The 2.1 matches Fallon's all-time Tuesday high.

· Guests on "Tonight" Tuesday night included Matthew McConaughey, Charles Barkley and musical guest Lyle Lovett

· The Feb. 4 edition of "Late Night" presented "The Best of Late Night with Jimmy Fallon: Digital Originals."

Late-Night Details:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 4.2/10; CBS's "Late Show with David Letterman," 3.0/7; and ABC's "Jimmy Kimmel Live," 1.8/5.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 1.2/6; "Late Show," 0.6/3; and "Jimmy Kimmel Live," 0.5/2.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.2/4 in metered-market households and a 0.3/2 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Jimmy Fallon" (2.1/7 in metered-market households) beat CBS's "Late Late Show with Craig Ferguson" (1.5/5). In the 25 markets with Local People Meters, "Late Night" (0.8/5 in 18-49) topped "Late Late Show" (0.3/2).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 1.2/5 in metered-market households and a 0.6/5 in adults 18-49 in the 25 markets with local people meters.

NOTE: All ratings are "live plus same day" from Nielsen Media Research unless otherwise indicated. Season figures are averages of "live plus seven day" data except for the two most recent weeks, which are "live plus same day."