River flow near hydropower plants (in the 20th century)

#### Summary Average daily river flow data, measured by EDF Hydro, an entity of EDF S.A. Since the history began in 1916, before the creation of EDF, the legal scope is arbitrarily called EDF Exploitation: EDF SA & Others. #### Detailed description The geographical scope is limited to metropolitan France but without its islands. In other words, continental France (without Corsica or Guadeloupe, for example) These data are also submitted to [www.hydro.eaufrance.fr](http://www.hydro.eaufrance.fr/), a national hydrometric database. The data are from the Castor application. The provision of these data sets is framed by the National Water Information System Protocol (Convention of 11/07/2003 — with SCHAPI-DGPR). The surface of the catchment area is given in wording, km². The map view shows the number of measurement points per geographical position.