condition mean min max ZT0-3 102.95249999999999 102.95249999999999 102.95249999999999 ZT4-7 91.44014999999999 91.44014999999999 91.44014999999999 ZT8-11 84.168 84.168 84.168 ZT12-15 96.7175 96.7175 96.7175 ZT16-19 113.2245 113.2245 113.2245 ZT20-23 108.296 108.296 108.296