condition mean min max ZT0-3 65.98859999999999 65.98859999999999 65.98859999999999 ZT4-7 53.4252 53.4252 53.4252 ZT8-11 51.2977 51.2977 51.2977 ZT12-15 71.7288 71.7288 71.7288 ZT16-19 88.2144 88.2144 88.2144 ZT20-23 89.01413333333333 89.01413333333333 89.01413333333333