Explanation of files:

Domain: 30E-290E, 30S-30N
Grid: 2deg x 2deg

CCSM4: control runs from CCSM4
CESM1: control runs from CESM1

Please note that variable units shown in the following may not be consistent what is shown in file attributes. 
ssh: sea surface height. Unit is meter. 
sst: sea surface temperature. Unit is Kelvin. 
precip: precipitation. Unit is mm/day.