ScienceDaily: Historically when El Nio events occur, Hawai'i has experienced nearly six months of drought, from November to April. Conversely, during La Nia events rainfall has been greater than normal -- building up Hawai'i's groundwater supply. New research published this month in the Journal of Climate by scientists at the University of Hawai'i -- Manoa, Nanjing University of Information Science and Technology, and NOAA's Honolulu National Weather Service (NWS) Office, determined that the relationship between...