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Crop

actvpr_mnmx_fao56 Compute actual vapor pressure via equation 17 as described in FAO 56.
actvpr_rhmean_fao56 Compute actual vapor pressure via equation 19 as described in FAO 56.
crop_water_need Compute "crop water need", the quantity of water needed to attain maximum crop productivity.
daylight_fao56 Compute maximum number of daylight hours as described in FAO 56.
netlw_fao56 Compute longwave radiation as described in FAO 56.
netrad_fao56 Compute net radiation as the difference between net shortwave and net longwave radiation.
netsw_fao56 Compute net shortwave radiation as described in FAO 56.
prsatm_tz_fao56 Compute atmospheric pressure as described in FAO 56.
prsatm_z_fao56 Compute atmospheric pressure using the approximation described in FAO 56: Chapter 3; equation 7.
psychro_fao56 Computes the psychrometric constant [kPa/C] as described in FAO 56.
radext_fao56 Compute extraterrestrial radiation for daily periods as described in FAO 56.
radsol2_fao56 Compute solar radiation from daily sunshine and day-of-year as described in FAO 56.
radsol3_hargreaves_fao56 Compute solar radiation derived from air temperature differences using Hargreaves method as described in FAO 56.
radsol_clrsky_fao56 Compute clear sky solar radiation as described in FAO 56.
radsol_fao56 Compute solar radiation via the 'Angstrom Formula' which uses extraterrestrial radiation and relative sunshine as described in FAO 56 (equation 35).
refevt_hargreaves_fao56 Use the Hargreaves ETo equation to derive reference evapotranspiration as described in FAO 56.
refevt_penman_fao56 Use the full Penman-Monteith equation to derive reference evapotranspiration as described in FAO 56.
refevt_turc Use the Turc ETo formulation to derive reference evapotranspiration.
refevt_turc_rh Use the Turc ETo formulation with a correction for low relative humidity to derive reference evapotranspiration.
rhum_fao56 Compute relative humidity as described in FAO 56.
satvpr_mean_fao56 Compute mean saturation vapor pressure using minimum and maximum temperature temperature as described in FAO 56.
satvpr_slope_fao56 Compute the slope of the saturation vapor pressure curve as described in FAO 56.
satvpr_tdew_fao56 Compute actual saturation vapor pressure as described in FAO 56.
satvpr_temp_fao56 Compute saturation vapor pressure using temperature as described in FAO 56.
soil_heatflux_month_fao56 Compute soil heat flux for monthly periods as described in FAO 56.
tdew_actvpr_fao56 Compute dew point temperature as a function of actual vapor pressure as described in FAO 56.
thornthwaite Estimate the potential evapotranspiration (PET) via the Thornthwaite method.
u2_fao56 Compute 2-meter wind speed (m/s) as described in FAO 56.