#time B531 B570 B900 B970 PRI WI
09:30:01 0.5271 0.5132 0.4788 0.4683 0.0133615 1.02242
09:40:01 0.6435 0.6354 0.6050 0.5962 0.00633357 1.01476
10:10:00 0.5623 0.5536 0.5408 0.5249 0.0077964 1.03029
12:05:00 0.5553 0.5408 0.4714 0.4555 0.0132287 1.03491
ave 0.572050 0.560750 0.524000 0.511225 0.00997528 1.02499