可以看看這篇用另一種圖看趨勢
The Hottest Weather Ever Visualized
New data graphics offer an alarming view of global climate change
STAFF By Amanda Montañez on August 17, 2016
http://blogs.scientificamerican.com/sa-visual/
the-hottest-weather-ever-visualized/
NASA Analysis Finds July 2016 is Warmest on Record
Posted Aug. 16, 2016
http://data.giss.nasa.gov/gistemp/news/20160816/
http://i.imgur.com/rVMnV4l.jpg
X軸為月份, Y軸為溫度差異
只要暖化趨勢繼續,這累積的曲線圖會產生更明顯的彩虹
2016里約奧運開幕引用了另一種曲線圖
http://www.climate-lab-book.ac.uk/spirals/