Geological data aren't singular, either. (Born and raised a Marylander, North Dakotan by choice.)
Yes, but given the usage of them by the "global warmers", they appear to THINK that they are singular. I can't think of any other way they can come up with some of the extrapolations that they do.
"(Born and raised a Marylander, North Dakotan by choice.)"
Masochist??? (North Dakota winters :^) ) My blood is WAY too thin to handle that kind of cold weather!