condition mean min max ZT0-3 118.231 118.231 118.231 ZT4-7 87.94874999999999 87.94874999999999 87.94874999999999 ZT8-11 64.0128 64.0128 64.0128 ZT12-15 63.83605 63.83605 63.83605 ZT16-19 123.1245 123.1245 123.1245 ZT20-23 121.3115 121.3115 121.3115