Rainfall is irregular, historically causing periodic droughts and famines. Desalination plants now provide water to more than half the country's population. Experiments with fog collectors have been conducted since 1962,Sabino, António A. (2007), Fog Water Collection Projects in Cape Verde: Potentialities and Constraints. Case Study of the Natural Park of Serra Malagueta. 4th International Conference on Fog, Fog Collection and Dew however, such collectors had not been expanded beyond the Serra Malagueta community of Santiago Island, as of 2009. The average precipitation per year in Praia is .
