Entertainment

Jay slips even more

‘THE Jay Leno Show” has struggled mightily — but Mondays have been extra-tough.

“Leno” averaged just over 4 million viewers at 10 p.m. Monday — nearly equaling its all-time low of 3.9 million viewers set on Monday, Nov. 2.

This past Monday, “Leno” was up against original episodes of CBS’ “CSI: Miami” and ABC’s “Castle,” which averaged 14 million and 11 million viewers, respectively.

Both shows creamed “Leno” in the advertiser-coveted demo of adults 18-49.

The show, hosted by the former “Tonight Show” star, started off with a bang in its September premiere — pulling in over 18 million viewers — but quickly fell from that lofty perch.

It usually averages anywhere from 4 million to 5 million viewers each weeknight. — Michael Starr