A similarly wet stretch in early July dumped four years’ worth of rain in one day on coastal Antofogasta. That was just a quarter of an inch (more than 6.3 millimeters) but it was still enough to cause collapsed or leaking roofs in homes and businesses that usually have no reason to protect themselves against even minimal precipitation. … Average annual rainfall in the northern city of Arica is so low that it would take 50 years to accumulate an inch.
Not ready for the rain, in northern Chile — Marginal Revolution
Inario 