Model Version: CAM6-nor (atmosphere model of NorESM2); Years: 1979-2014; Ensemble Size: 20 members; Time Frequencies Saved: Monthly, Daily; Compsets: FHIST; Boundary conditions: Historical daily SIC and SST outside of the tropics from HadISST.2.2.0.0, daily climatological (1979-2014 mean) SST in the tropical oceans (20°S-20°N), 25°S–20°S and 20°N–25°N as the buffer zones;