Concept:Annual rainfall is the sum of rainfall recorded over all 12 months.Explanation:Add the rainfall for each month from January to December.Total = 0+0+0+10+108+133+187+201+187+5+0+0 mm.Now add step by step: 10+108=118118+133=251251+187=438438+201=639639+187=826826+5=831 mmAnswer:831 mm, which is Option A.