To expand on Bo's point, I have also learned that there are definite "looking up" days and "looking down" days. Rarely do Donna and I experience a day when we catch them good on both winding and dragging baits. If I start catching them on a spinner bait, jerk bait, topwater or any other bait that is worked up off the bottom, then she isn't likely to have a good jig day and usually ends up joining the "winders association" before long. That's a "looking up" day. Essentially, they're feeding up off the bottom.
However, if the fish don't respond to my winding baits but are chewing on her jig, it's probably a "looking down" day and I'll end up going to a shaky head, Ned rig or a jig. For the day, I'm granted an honorary membership in the "draggers association."
Just don't be too quick to presume that "looking up" days are always cloudy and dark. That's not always the case. I've had some very good "looking down" bites on overcast days when you'd swear they'd hammer a spinner bait or topwater. I've also had some pretty good "looking up" bites on bright days, so long as there was some wind.