President Clinton definitely underperformed in '96. He should have won at least Colorado and Florida. Whilst Ross Perot overperformed. Why would anyone vote for that crazy coot in 1996, maybe in 1992 but not in 1996.
As Bandit pointed out, Clinton won Florida in 1996 (but not in 1992).
The reality was that Clinton was a very lazy campaigner in 1996. Everyone knew Dole was doomed from the beginning (at least by the time the GOP nomination was decided),
and Clinton didn't have to try very hard. So he didn't. Had he, he probably would have taken Colorado, Montana, the Dakotas, Virginia and Georgia.
Could he really have had taken the Dakotas? I see him coming in striking distance of the GOP in those two states, like Truman did in Indiana in 1948. But, I see us carrying the Dakotas by the thinnest of margins.
