col. 1 Year col. 2 Month col. 3 Day col. 4 daily sum of NEE, (Net Ecosystem Exchange), (gC-CO2·m-2) col. 5 daily sum of Reco, (Ecosystem Respiration), (gC-CO2·m-2) col. 6 daily sum of GPP, (Gross Primary Productivity), (gC-CO2·m-2) col. 7 daily average Ta, (air temperature), (°C) col. 8 daily average Rg, (total shortwave radiation), (W·m-2)