The national rainfall index in Oceania

Papua New Guinea is the top country by national rainfall index among 5 countries. As of 2020, national rainfall index in Papua New Guinea was 3,250 mm/year that accounts for 31.12% of total national rainfall index. The top 5 countries (others are Solomon Islands, Fiji, New Zealand, and Australia) account for 100.00% of it. The total national rainfall index was estimated at 10,442.1 mm/year in 2020.