DailyET Tim Hess 10.17862/cranfield.rd.8223464.v1 https://cord.cranfield.ac.uk/articles/software/DailyET/8223464 A simple on-screen calculator to calculate daily, or monthly reference evapotranspiration from weather data according to the Penman, Modified Penman (FAO24), Penman Monteith (FAO56) or Hargreaves methods. 2019-06-04 11:19:15 evapotranspiration rates Penman Monteith reference evapotranspiration Penman FAO56 Hydrology