I want to know the answer to the following question:
What is the average rainfall in Namibia?
All the background I'm provided with is that "With an average rainfall of about 350 mm per annum, the highest rainfall occurs in the Caprivi in the northeast (about 600 mm per annum) and decreases in a westerly and southwesterly direction to as little as 50 mm and less per annum at the coast.". Is that enough to answer the question?