condition mean min max ZT0-3 125.97090120000001 123.22212420000001 128.7196782 ZT4-7 36.02163633 22.999460284999998 49.043812375 ZT8-11 25.872521722499997 18.957638335 32.787405109999995 ZT12-15 33.4240879175 31.536501854999997 35.31167398 ZT16-19 59.902220755 47.34981592 72.45462559 ZT20-23 91.56590951999999 86.375512575 96.756306465