The temporal stationarity of the teleconnection between the tropical Pacific Ocean and 24 North America (NA) is analyzed in atmosphere-only, and coupled last-millennium, historical, 25 and control runs from the Coupled Model Intercomparison Project Phase 5 (CMIP5) data 26 archive. The teleconnection, defined as the correlation between December-January-February 27 (DJF) tropical Pacific sea surf...