condition mean min max ZT0-3 4206.75 4206.75 4206.75 ZT4-7 3627.8 3627.8 3627.8 ZT8-11 3670.6499999999996 3670.6499999999996 3670.6499999999996 ZT12-15 4203.7 4203.7 4203.7 ZT16-19 3924.35 3924.35 3924.35 ZT20-23 3956.55 3956.55 3956.55