condition mean min max ZT0-3 2099.1 2099.1 2099.1 ZT4-7 2170.3 2170.3 2170.3 ZT8-11 2276.4 2276.4 2276.4 ZT12-15 2003.15 2003.15 2003.15 ZT16-19 2035.0 2035.0 2035.0 ZT20-23 2220.05 2220.05 2220.05