condition mean min max ZT0-3 135.4255 135.4255 135.4255 ZT4-7 114.58765 114.58765 114.58765 ZT8-11 120.13650000000001 120.13650000000001 120.13650000000001 ZT12-15 131.4295 131.4295 131.4295 ZT16-19 140.16 140.16 140.16 ZT20-23 132.23149999999998 132.23149999999998 132.23149999999998