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Figure 4a is a map of the world. It shows precipitation changes, averaged over 12 climate models, for the period December to January. The changes are colour coded (full-details in the caption). The biggest increases are across the tropical latitudes (approximately 0.8-1.6 millimetres per day change), specifically the Atlantic between Africa and South America and the mid-Pacific. The biggest decreases are across sub-tropical latitudes (approximately -3.2 -1/6 millimetres per day), specifically South America, sub-Saharan Africa, the Indian Ocean and the South Pacific.

Figure 4b is a map of the world. It shows precipitation changes, averaged over 12 climate models, for the period June to August. The changes are colour coded (full-details in the caption).