What's more, they show a consistent link with changes in global temperatures. (treehugger.com)
I am not saying the station data isn't useful, but I am arguing that it is not sensitive at detecting changes in global temperature. (theinconvenientskeptic.com)
While the state of the climate clearly involves much more than just global temperature, changes in global temperatures do indicate the scale of different climatic events, both natural and man - made. (usask.ca)