#time VGT1 VGT2 VGT3 NDVI
07:50:02 0.5986 0.6086 0.5938 -0.0123087
08:20:01 0.6298 0.6366 0.5997 -0.0298471
13:10:00 0.7475 0.7427 0.7101 -0.0224394
15:10:01 0.6659 0.6220 0.5806 -0.0344254
16:20:01 0.7279 0.6928 0.6417 -0.0382915
ave 0.673940 0.660540 0.625180 -0.0275021