my experience is that new rain and water levels make the kitties explore - i always leave a large bait out overnight when the levels rise at Cedar Creek ... i am on a cove and put the bait in about 4 ft of water...
My boat dock drop lines are catching a lot of channel cats
Hooking a fish is like playing string with a cat. The exact size, shape, color of string matters less than how you wiggle it- and little cats are easier to fool than big ones. John Gierach