Board Thread:Questions and Answers/@comment-11255996-20140615172443/@comment-1038387-20140615211028

A quick check of some sources:


 * : 6'3" (1986)
 * : 6'3" (1990)
 * : 6'3" (1997)
 * : 6'3" (1998)
 * : 6'3" (1999)
 * : 6'3" (2000)
 * : 6'3" (2003)
 * DC Comics Encyclopedia: 6'3" (2004 and 2008)
 * : 6'3" (2005)

That's pretty definitive.