#time AST1 AST2 AST3N AST3B NDVI
07:40:00 0.5987 0.5692 0.5550 0.5555 -0.0126312
07:50:00 0.6363 0.6061 0.6067 0.6072 0.000494723
09:15:00 0.6120 0.5882 0.5945 0.5950 0.00532679
10:25:00 0.6654 0.6554 0.6863 0.6866 0.0230305
11:10:00 0.5896 0.5740 0.5943 0.5947 0.0173757
11:20:00 0.4337 0.4180 0.4441 0.4445 0.0302749
13:05:00 0.4955 0.4784 0.4781 0.4785 -0.000313643
13:30:00 0.5556 0.5407 0.5453 0.5456 0.00423573
13:45:01 0.5288 0.5083 0.5185 0.5189 0.00993377
ave 0.568400 0.548700 0.558089 0.558500 0.0084831