WeaAna-class            Define the class for multiple sites
WeaAnaSite-class        Define the class of WeaAna
[,WeaAna-method         Getter to access the weather data at a specific
                        position.
add_rh                  Add relative humidity to APSIM weather data
changeWeatherRecords    Change weather records
climate_by_stages       Summarise the climate variable by growth stages
convert2Records         Convert a data frame to weaana class
createWeaAna            create WeaAna class
dayLength               The time elapsed in hours between the specified
                        sun angle from 90 degree in am and pm. +ve
                        above the horizon, -ve below the horizon.
diurnalT                Calculate the diurnal variation in air
                        temperature with Parton and Logan, 1981
dp_mint                 Calculate Dew Point Temperature from Minimum
                        Temperature and Relative Humidity
getWeatherRecords       Get all weather records by year range
interpolationFunction   Return a y value from a linear interpolation
                        function
mov                     Calculate the moving values
mov.avg                 Use Calculate the moving average. For
                        compatibility only.
mov.max                 Calculate the moving maximum. For compatibility
                        only.
mov.min                 Calculate the moving minimum. For compatibility
                        only.
mov.sum                 Calculate the moving sum. For compatibility
                        only.
readWeatherRecords      Read weather records from a file list and/or a
                        folder list
records                 Demo weather records
result-class            Define the class for statistics results
show,WeaAna-method      Show basic information of class WeaAna
siteInfor               Get site information
sphericalDistance       Calculate the sphere distance
thermalTime             Calculate thermal time using cardinal
                        temperatures
thermalTimeDaily        Calculate thermal time using cardinal
                        temperatures
thermalTimeHourly       Calculate thermal time using the hourly
                        temperature (non daily temperature)
tt_hourly_pp            Hourly Air Temperature Interpolation
ttest_ts                Significantly t-test with auto-correlation for
                        time serial data
wcal                    Calculate weather variables through function or
                        a string formula.
writeWeatherRecords     Write weather records into file
