About: http://webisa.webdatacommons.org/445441421

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	Yet even if the downward trend is likely to continue, that still leaves room for natural variability each year, thanks to storms, clouds, and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com