# 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 r60p05 r60p17 r60p50 r60p83 r60p95 r85p05 r85p17 r85p50 r85p83 r85p95 2010 0.21 0.26 0.36 0.47 0.64 0.23 0.29 0.37 0.47 0.62 2020 0.33 0.40 0.55 0.70 0.90 0.37 0.51 0.66 0.84 0.99 2030 0.40 0.59 0.74 0.92 1.17 0.65 0.77 0.94 1.29 1.39 2040 0.59 0.73 0.95 1.21 1.41 0.93 1.13 1.29 1.68 1.77 2050 0.69 0.92 1.15 1.52 1.81 1.20 1.48 1.70 2.19 2.37 2060 0.88 1.08 1.32 1.78 2.18 1.55 1.88 2.16 2.74 2.99 2070 1.08 1.28 1.58 2.14 2.52 1.96 2.25 2.60 3.31 3.61 2080 1.33 1.56 1.81 2.58 2.88 2.31 2.65 3.05 3.93 4.22 2090 1.51 1.72 2.03 2.92 3.24 2.63 2.96 3.57 4.45 4.81