It only rains once every 5-10 years in Chile’s Atacama desert,
It is the flowering desert, a natural spectacle that occurs every five or 10 years due to the unpredictable phenomenon of El Niño, which warms the waters of the eastern Pacific Ocean. The evaporation of these warm currents on the coasts of Chile causes abundant rain in the Atacama Desert, which triggers the germination and flowering of more than 200 native plant species that have been hidden for years under gray soil, waiting for a few drops of water.
Here is info from Wikipedia about El Nino. To my way of thinking these weather cycles have been going on for thousands and thousands of years. Some I have talked to recently believe these hurricanes we have had are man made. Who knows what went on 10,000 years ago.
https://en.wikipedia.org/wiki/El_Ni%C3%B1o