Seasonal all-Christmas formats gave Clear Channel’s soft AC stations in New York, Los Angeles and Chicago huge lifts during the holiday season, according to an Arbitron survey.

New York’s 106.7 market-leader Lite FM had a 11.6% share of listening in the Christmas weeks, up from 7.4% in November and 9% for the full month of December.

In Los Angeles KOST-FM went from fifth to first place with an 8.1% share and in Chicago Lite FM tripled its share to 10.2%, advancing from 13th place all the way to number one.

See the December shares on Radio Intelligence’s ratings page.