Pacific El Niño-Southern Oscillation (ENSO) Applications Climate Center. Pacific ENSO Update: 3rd Quarter 2015(PDF)21 (3). United States National Oceanic and Atmospheric Administration's National Weather Service. 2015-08-14 [2015-08-15]. (原始内容存档(PDF)于2015-11-20). (页面存档备份,存于互联网档案馆)
Pacific El Niño-Southern Oscillation (ENSO) Applications Climate Center. Pacific ENSO Update: 3rd Quarter 2015(PDF)21 (3). United States National Oceanic and Atmospheric Administration's National Weather Service. 2015-08-14 [2015-08-15]. (原始内容存档(PDF)于2015-11-20). (页面存档备份,存于互联网档案馆)