About: http://webisa.webdatacommons.org/23649488

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Starting with the beginning of that graph, there certainly appears to be a trand from 1855 to 1910 where the temperature bounced around between -.3 and -.4 Then, starting at 1910, there was a pretty significant looking change.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com