condition mean min max ZT0-3 170.73125 144.4885 196.974 ZT4-7 215.5195 215.5195 215.5195 ZT8-11 167.4955 167.4955 167.4955 ZT12-15 0 0 0 ZT16-19 241.63 241.63 241.63 ZT20-23 259.4915 259.4915 259.4915