@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2019-01-14" ; dct:modified "2019-01-14" ; ns3:hasProfile ; ns1:status ; rdfs:seeAlso ; skos:definition "The WMO definition of sunshine is that the surface incident radiative flux from the solar beam (i.e. excluding diffuse skylight) exceeds 120 W m-2. Duration is the length of time for which a condition holds."@en ; skos:exactMatch ; skos:prefLabel "duration of sunshine"@en ; ns2:hadPrimarySource .