Bigtop_reqs             Chill and heat requirements for Big Top
                        nectarine
DTR                     Calculation of the diurnal temperature range
                        (DTR)
Dates_BT                Example phenological dates for Big Top
                        nectarine in Tudela
ET_penman               Calculation of daily potential
                        evapotranspiration by Penman (1948) method
ET_penman_monteith      Calculation of daily reference
                        evapotranspiration by Penman-Monteith method
GDD_linear              Calculates growing degree days (GDD) using a
                        linear method
GDH_asymcur             Calculates growing degree hours (GDH) using
                        ASYMCUR method
GDH_linear              Calculates growing degree hours (GDH) using a
                        linear method
Tcrits_peach            Critical frost temperatures for peach flower
                        buds
Tudela_DW               Daily weather data from Tudela, Spain
bioclim_hydrotherm      Calculation of hydrothermal viticultural
                        indices (Branas, Dryness Index)
bioclim_thermal         Calculation of bioclimatic viticultural indices
                        focusing on temperature
chill_hours             Calculation of chill hours from hourly
                        temperature data (Weinberger model)
chill_portions          Calculation of chill portions from hourly
                        temperature data (Dynamic model)
chill_units             Calculation of chill units from hourly
                        temperature data (Utah model)
color_potential         Evaluation of weather conditions for
                        anthocyanin formation in apple skin
coolness_index          Calculation of night coolness index
hourly_RH               Estimation of the hourly relative humidity on a
                        daily series
hourly_temps            Estimation of hourly temperatures from daily
                        data
hourly_windspeed        Estimation of the hourly wind speed from daily
                        mean data
moderate_wind           Estimation of the daily hours with moderate
                        wind from daily weather data
phenology_sequential    Prediction of phenological stages using a
                        sequential model
phenology_thermal_time
                        Prediction of phenological stages using a
                        thermal time model
pollination_weather     Evaluation of weather conditions for
                        pollination on a daily series
russet                  Estimation of the russet risk for apple and
                        pear fruits
solar_times             Estimation of the sunrise and sunset hour
spring_frost            Calculates the risk of spring frosts for a
                        climate series
sunburn                 Evaluation of weather conditions for sunburn in
                        apple fruit surface
wind_scab               Estimation of the risk for wind scab on fruit
                        skin
