Once was not good enough?
http://www.cruisemates.com/forum/viewtopic.php?t=587965
2/24/07 Valparaiso No exact temp. It was nice
2/25/07 At Sea 65F
2/26/07 Puerto Montt 58F
2/27/07 At sea 58F
2/28/07 At Sea 46F
3/1/07 Punta Arenas 39F
3/2/07 Ushuaia 35F
3/3/07 Cape Horn No exact temp, but it bone cold
3/4/07 Stanley 50F
3/5/07 At Sea. No exact temp - 115MPH winds and very heavy seas 40 ft waves
3/6/07 At Sea. No exact temp
3/7/07 Montevideo 75F
3/8/07 Buenos Aires 85F