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2080's

Low emissions scenario

The wider range is from the lowest to highest value for all emissions scenarios and three (10, 50, and 90%) probability levels for each 30-year time period.

  • Under low emissions, the central estimate of increase in winter mean temperature is 2.4ºC; it is very unlikely to be less than 1.4ºC and is very unlikely to be more than 3.6ºC. A wider range of uncertainty is from 1.4ºC to 5ºC.
  • Under low emissions, the central estimate of increase in summer mean temperature is 2.7ºC; it is very unlikely to be less than 1.2ºC and is very unlikely to be more than 4.5ºC. A wider range of uncertainty is from 1.2ºC to 7.1ºC.
  • Under low emissions, the central estimate of increase in summer mean daily maximum temperature is 3.7ºC; it is very unlikely to be less than 1.2ºC and is very unlikely to be more than 6.8ºC. A wider range of uncertainty is from 1.2ºC to 10.6ºC.
  • Under low emissions, the central estimate of increase in summer mean daily minimum temperature is 2.8ºC; it is very unlikely to be less than 1.1ºC and is very unlikely to be more than 5.1ºC. A wider range of uncertainty is from 1.1ºC to 8ºC.
  • Under low emissions, the central estimate of change in annual mean precipitation is 0%; it is very unlikely to be less than -5% and is very unlikely to be more than 6%. A wider range of uncertainty is from -8% to 9%.
  • Under low emissions, the central estimate of change in winter mean precipitation is 16%; it is very unlikely to be less than 5% and is very unlikely to be more than 33%. A wider range of uncertainty is from 4% to 57%.
  • Under low emissions, the central estimate of change in summer mean precipitation is -13%; it is very unlikely to be less than -35% and is very unlikely to be more than 11%. A wider range of uncertainty is from -51% to 11%.


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