Moisture and subsequent agricultural impact in Tumbes. A. Annual precipitation from NASA’s Modern-Era Reanalysis for Research and Applications, runoff (Noah Land Surface Model hydrological simulation), gauged discharge (Tigre gauging station), and percent soil water content (Noah Land Surface Model) for the Tumbes River basin for the 6 years preceding and following the 1997-1998 El Niño event. Values in 1998, indicated in red, are two standard deviations above the mean for all variables. B. Annual banana and rice production in Tumbes (Peruvian Ministry of Agriculture).