In Late-Night Metered Markets Monday night:

· Last night's "The Tonight Show with Jay Leno" equaled its highest overnight rating in 15 months. For both Leno and Jimmy Fallon, it was their top Mondays in metered-market household rating in nearly four years, since the night Jay returned to the "Tonight Show" desk.

· Leno scored a 3.9 rating, 10 share in metered-market households, matching last Friday's rating as "Tonight's" strongest since Wednesday, Oct. 24, 2012 (the night of a guest appearance by President Barack Obama, 4.0/10). It was the highest Monday "Tonight" rating since March 1, 2010 (5.4).

· Fallon delivered a 2.0/7 in households, his highest rating for a Monday since that same date, March 1, 2010 (2.1).

· Guests on "Tonight" Monday night included Jimmy Fallon, Betty White with musical guest Bonnie Raitt.

· The Feb. 3 edition of "Late Night" presented "The Best of Late Night with Jimmy Fallon: Musical Sketches."

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 3.9/10; CBS's "Late Show with David Letterman," 2.3/6 with an encore; and ABC's "Jimmy Kimmel Live," 2.2/6.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 1.0/4; "Late Show," 0.6/3 with an encore; and "Jimmy Kimmel Live," 0.7/3.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.4/5 in metered-market households and a 0.4/3 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Jimmy Fallon" (2.0/7 in metered-market households) beat CBS's "Late Late Show with Craig Ferguson" (1.1/4). In the 25 markets with Local People Meters, "Late Night" (0.5/3 in 18-49) topped "Late Late Show" (0.3/2).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 1.0/4 in metered-market households and a 0.3/3 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."