2. Relative to 1980-2009, average surface temperatures across Singapore increases by 1.4°C–2.7°C under the RCP4.5 (the concentration of carbon is at an average of 4.5 watts per square meter across the planet) greenhouse gas trajectory and by 2.9°C–4.6°C for RCP8.5 (the concentration of carbon is at an average of 8.5 watts per square meter across the planet).

Relative to 1980-2009, average surface temperatures across Singapore increases by 1.4°C–2.7°C under the RCP4.5 (the concentration of carbon is at an average of 4.5 watts per square meter across the planet) greenhouse gas trajectory and by 2.9°C–4.6°C for RCP8.5 (the concentration of carbon is at an average of 8.5 watts per square meter across the planet).