condition mean min max ZT0-3 25.046950000000002 25.046950000000002 25.046950000000002 ZT4-7 17.53255 17.53255 17.53255 ZT8-11 34.0293 34.0293 34.0293 ZT12-15 47.15385 47.15385 47.15385 ZT16-19 37.6779 37.6779 37.6779 ZT20-23 40.651849999999996 40.651849999999996 40.651849999999996