Available via subversion (svn):https://svn-ccsm-models.cgd.ucar.edu/cesm1/release_tags/cesm1_2_2_1 username: guestuserpasswd: friendlyHere are instructions to port any cesm version yourself:
https://docs.google.com/document/d/1V5_oIA_ZPmLsMKp0rZlQ99CqQshx2pqcZsVQhT7lCb0/edit?usp=sharing
https://docs.google.com/document/d/1V5_oIA_ZPmLsMKp0rZlQ99CqQshx2pqcZsVQhT7lCb0/edit?usp=sharing