#time VGT1 VGT2 VGT3 NDVI
16:05:01 0.0299 0.0610 0.4798 0.774408
16:10:01 0.0298 0.0597 0.4690 0.774163
16:20:01 0.0291 0.0578 0.4483 0.771587
ave 0.029600 0.059500 0.465700 0.77342