Provenance & quality
MORECS evapotranspiration and soil moisture deficit is calculated from daily values of hours of sunshine, air temperature, vapour pressure, wind speed and rainfall. For further details see Hough and Jones (1997). For further details see 
 Hough, M. N. and Jones, R. J. A.: The United Kingdom Meteorological Office rainfall and evaporation calculation system: MORECS version 2.0-an overview, Hydrol. Earth Syst. Sci., 1, 227-239, doi:10.5194/hess-1-227-1997, 1997.