Colorado casino revenues in April fell for the fourth straight month since the smoking ban took effect in January, dropping 7.1 percent from March and down 12.5 percent from April, 2007.

It was the second-biggest year-to-year decrease ever, behind March.

In Cripple Creek, revenue fell 6.4 percent to $10.7 million in April, off 13.3 percent from April, 2007.

Cripple Creek casinos have brought in a total of $42.6 million in 2008, off 14.7 percent from this point in 2007.