#time AST1 AST2 AST3N AST3B NDVI
09:00:00 0.6148 0.6018 0.6422 0.6424 0.0324759
11:20:00 0.6719 0.6655 0.7041 0.7041 0.0281834
ave 0.643350 0.633650 0.673150 0.673250 0.0302265