Amp is obtained by averaging the mean daily temperature of each month over the entire data period resulting in twelve mean temperatures, and then subtracting the minimum of these values from the maximum. Tav is obtained by averaging the twelve mean monthly temperatures.
A met file object where the tav and amp will be inserted.
The original documentation for the stand alone Tav_Amp program can be found at http://www.apsim.info/Portals/0/OtherProducts/tav_amp.pdf.
A met file object to which tav and amp has been added.