SpFl                    Sap flow dataset
SpWd_Area_calc          Sapwood area calculation
Tmax.find               Find Tmax
Tmax.mean               Calculate a mean of Tmax
Tmaxplot                Plot the Tmax
Wat.transp              Calculate daily transpiration
date.to.DOY             Date conversion
datetime                Time & dates conversion
remove.fun              Remove unwanted dates
tens.to.sapflow         Convert tension into sap flow density
timecont                Time conversion
