ET
CLIMA Rain Wind AirT GSRad (German) (Holtslag-van Ulden) Priestley-Taylor coefficient (Steiner et al.) daily (ASAE) (FAO) (FAO) hourly daily Atmospheric density (FAO) (FAO) hourly daily Psychrometric constant (ASAE) (FAO) (FAO) hourly daily Short wave radiation (ASAE) (FAO) (FAO) hourly daily Cloudiness factor (Pérez) (dew-point temperature) (air relative humidity) (Pérez) (FAO) (ASAE) (FAO) hourly daily Net radiation (FAO) (FAO) hourly daily Net isothermal long wave radiation (FAO) (FAO) hourly daily Air humidity factor (FAO) (maximum VPD) (ASAE) (FAO) hourly daily Vapour pressure deficit (ASAE) (dew-point temperature) (FAO) (dew-point temperature) Maximum vapour pressure deficit hourly daily Actual vapour pressure (air temperature) daily (Monteith) (Thom-Oliver) (Monteith) (Thom-Oliver) hourly daily Aerodynamic resistance (Tetens-Murray) (ASAE) (Tetens-Murray) hourly daily Slope of saturation vapour pressure curve (ASAE) (Tetens) hourly (Tetens) daily (Harrison) hourly Saturation vapour pressure (Harrison) daily Latent heat of vaporization (Stanghellini) (Penman-Monteith) (Hargreaves) (Priestley-Taylor) (Penman-Monteith) daily hourly Reference evapotranspiration