via NBC Sports Group release,

Yesterday’s Western Conference Final Game 1 between Los Angeles and Chicago (3-6 p.m. ET) delivered a 1.9 overnight rating on NBC, up 90% from the comparable game two years ago (Phoenix-Los Angeles, 1.0). There was no comparable game last year.

Chicago drew a 15.9 HH rating, its second-best Conference Final rating ever on NBC, behind only last year’s primetime game (Los Angeles-Chicago, 19.6, 6/8/13). Los Angeles posted a 2.1 HH rating.

On Saturday afternoon, Game 1 of the Eastern Conference Final between the New York Rangers and Montreal Canadiens (1-3:45 p.m. ET) drew a 1.2 overnight rating. New York delivered a 3.2 HH rating.

NBC was the No. 1 market during the respective games in Chicago and New York, and No. 2 in Los Angeles.

Viewers consumed 2.87 million minutes of yesterday’s game, the most ever for a Conference Final, up 43% vs. last year’s CF average, and the best for an unauthenticated game this season. Nearly 63,000 uniques streamed the game.