Climate and Forecast Standard Names
type: ConceptScheme
has top concept: duration_of_sunshine

duration_of_sunshine
type: Concept
top concept of: Climate and Forecast Standard Names
source: cf-standard-name-table.html
in scheme: Climate and Forecast Standard Names
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.