He made it through eight holes before play was stopped because of 40 mph gusts, not long after Carl Pettersson hit a good lag that rolled another 30 feet by the pin and off the green.
Byrd's round was his best of the year, and he capped it off with a string of birdies that began with a 25-foot birdie putt on the par-three sixth green and ended with a wedge to six feet of the pin on eight.
"There was so much trouble around the green , and the green sloped heavy from the back to the front, so if you hit the ball pin-high it could be a double-bogey very easily, " Casper said.