# IPCC, 2013: Climate Change 2013 -- Physical Science Basis. # Annex II. Climate System Scenario Tables. # AII.7 Environmental Data # Table AII.7.5 CMIP5 (RCP) global mean surface temperature change (degC) # relative to 1986-2005 reference period # (p. 1444) decade 2030 = 2026..2035 decade r26p05 r26p17 r26p50 r26p83 r26p95 r45p05 r45p17 r45p50 r45p83 r45p95 2010 0.19 0.33 0.36 0.52 0.62 0.22 0.26 0.36 0.48 0.59 2020 0.36 0.45 0.55 0.81 1.07 0.39 0.48 0.59 0.74 0.83 2030 0.47 0.56 0.74 1.02 1.24 0.56 0.69 0.82 1.10 1.22 2040 0.51 0.68 0.88 1.25 1.50 0.64 0.86 1.04 1.35 1.57 2050 0.49 0.71 0.94 1.37 1.65 0.84 1.05 1.24 1.63 1.97 2060 0.36 0.69 0.93 1.48 1.71 0.90 1.13 1.44 1.90 2.19 2070 0.20 0.70 0.89 1.49 1.71 0.98 1.20 1.54 2.07 2.32 2080 0.15 0.62 0.94 1.44 1.79 0.98 1.27 1.62 2.25 2.54 2090 0.18 0.58 0.94 1.53 1.79 1.06 1.33 1.68 2.29 2.59