The WRDC, located at the Main Geophysical Observatory in St. Petersburg, Russia, processes solar radiation data currently submitted from more than 500 stations located in 56 countries and operates an archive with more than 1200 stations listed in its catalogue. The WRDC is the central depository of the measured components such as: global, diffuse and direct solar radiation, downward atmospheric radiation, net total and terrestrial surface radiation (upward), spectral radiation components (instantaneous fluxes), and sunshine duration, on hourly, daily or monthly basis.
The World Radiation Data Centre (WRDC) is one of recognised World Data
Centres sponsored by the World Meteorological Organization (WMO). In the scope of its commitments, WRDC contacts with IOC, WMO, UNEP and other international organizations, and global and regional geophysical data centres in the related field.
Participation of WRDC in WMO Global Atmosphere Watch (GAW) project consists in collection, analysis and online presentation of the data on radiation balance components from GAW stations.
Metadata on observation data from GAW sites are regularly transferred to GAWSIS server (Switzerland).
WRDC interacts with representatives of National Meteorological Services on the issues related to submission of data to WRDC.The WRDC was established in accordance with Resolution 31 of WMO Executive Committee XVIII in 1964. The WRDC centrally collects, archives and published radiometric data from the world to ensure the availability of these data for research by the international scientific community.