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Climate Change Projections for New Zealand: Atmospheric projections based on simulations undertaken for the IPCC 5th Assessment. Prepared for the Ministry for the Environment by Brent Mullan, Abda Sood and S. Stuart. National Institute of Water and Atmospheric Research (NIWA). What are the expected changes in New Zealand’s climate out to 2120? Temperature The mid-range estimate of projected temperature change shows an increase of: 0.8 C by 2040 1.4 C by 2090 1.6 C by 2110 The possible range of temperature increase are: 0.2 – 1.7 C by 2040 – 4.6 C by 2090 – 5.0 C by 2110 Rainfall They find that it is very likely that for winter and spring there will be an increase in rainfall for the west of both the North and South Islands, with drier conditions in the east and north, caused by the westerly winds over New Zealand increasing during these seasons. For summer it is likely that there will be wetter conditions in the east of both islands, with drier conditions in the west and central North Island There is substantial variation around the country, increasing in magnitude with increasing emissions. Extreme rainfall is likely to increase in most areas, with the largest increases being seen in areas where mean rainfall is also increasing, such as the West Coast. Drought severity is projected to increase in most areas of the country, except for TaranakiManawatu, West Coast and Southland More dry days throughout North Island, and in inland South Island. Increased extreme daily rainfalls, especially where mean rainfall increases Ministry for the Environment 2016. Climate Change Projections for New Zealand: Atmosphere Projections Based on Simulations from the IPCC Fifth Assessment. Wellington: Ministry for the Environment.