Update: the game averaged 17.8 million viewers.

The Golden State Warriors win in overtime over the Cleveland Cavaliers in game 1 of the NBA Finals averaged a 12.9 overnight rating, a record for a game 1 of the NBA Finals and up a big 24% versus versus the 10.4 overnight for game 1 of last year’s Spurs-Heat finals.

Top local markets:

Market Rating Cleveland 41.4 San Francisco 28.9 Columbus 21.1 Memphis 19.9 Norfolk 16.5 Miami-Ft. Lauderdale 16.2 Sacramento 15.7 Atlanta 15.6 Richmond-Petersburg 15.2 Raleigh-Durham 15.0

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Overnight household rating = the live+same day DVR overnight metered-market household rating from the top 56 Nielsen television markets. The 56 markets (out of 210 total) account for about 70% of the US TV-viewing population. The overnight household rating is the percentage of the households that were tuned-in in those markets