About: http://webisa.webdatacommons.org/48889235

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	If I remember correctly, one of the issues is that the Russian data from far north stations were used prior to 2000 as part of the average whereas after 2000 the data from those stations has been removed from the average.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com