There was a major flood in Tucson, October1-2, 1983. 14 people died in this flood. The Pima County Public Library, Main Library has books on this flood in the Arizona History Collection: Flood of ‘83: a special report. 627.4 F659 1983: The Floods of October 1983 in southeastern Arizona. 551.489 R629f and The Tucson, Arizona flood of October 1983. 551.489 T799.