Fast National ratings for Monday, August 6, 2012.
 
Not that NBC is going to look down its nose at Monday's ratings for the London Olympics, but a night short on marquee events, particularly marquee events won by American athletes, delivered relatively low numbers for the network, while still dominating primetime.
 
Among adults 18-49, NBC averaged an 8.1 rating, easily tops in the key demographic. FOX was far back in second with a 1.1 rating, followed by CBS' 1.0 rating and the 0.9 rating for ABC in the key demo. The CW averaged a 0.2 key demo rating.
 
Overall, NBC averaged an estimated 25.99 million viewers for Monday night, along with a 15.5 rating/25 share. CBS' 2.5/4 and 3.62 million viewers finished second, beating the 2.0/3 and 2.8 million viewers for ABC. FOX was a close fourth with a 1.7/3 and 2.71 million viewers, while The CW averaged a 0.4/1 and 569,000 viewers.
 
8 p.m. - NBC's Olympics telecast started primetime with 21.97 million viewers and a 6.3 rating among adults 18-49. CBS' repeats of "How I Met Your Mother" and "2 Broke Girls" averaged 3.454 million viewers, nipping the 3.446 million viewers for ABC's "Bachelor Pad," while both networks tied for third with a 1.0 key demo rating. FOX's repeat of "Hell's Kitchen averaged 2.77 million viewers and a 1.1 key demo rating. The CW's repeat airing of a "Perez Hilton All-Access" special averaged 668,000 viewers and a 0.3 key demo rating.
 
9 p.m. - The second hour of NBC's Olympics coverage improved to 25.64 million viewers and an 8.0 rating among adults 18-49. CBS' repeats of "2 Broke Girls" and "Mike & Molly" averaged 3.85 million viewers and a 1.2 key demo rating for second. ABC's "Bachelor Pad" averaged 3.31 million viewers and a 1.1 key demo rating, while FOX's "MasterChef" repeat averaged 2.65 million viewers and a 1.1 key demo rating. The CW's encore of "Remodeled" averaged 470,000 viewers and a 0.2 key demo rating. 
 
10 p.m. - In the 10 p.m. hour, NBC's Olympics coverage averaged 30.37 million viewers and a 10.1 rating among adults 18-49. CBS' repeat of "Hawaii Five-0" was second with 3.56 million viewers and a 0.8 key demo rating. ABC's "The Glass House" was third with 1.635 million viewers and a 0.6 key demo rating.
 
All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.