condition mean min max ZT0-3 133.192 132.941 133.443 ZT4-7 140.73649999999998 140.73649999999998 140.73649999999998 ZT8-11 130.202 130.202 130.202 ZT12-15 0 0 0 ZT16-19 267.647 267.647 267.647 ZT20-23 220.8425 220.8425 220.8425