condition mean min max ZT0-3 3344.05 3344.05 3344.05 ZT4-7 3665.2 3665.2 3665.2 ZT8-11 4805.7 4805.7 4805.7 ZT12-15 4834.799999999999 4834.799999999999 4834.799999999999 ZT16-19 4436.2 4436.2 4436.2 ZT20-23 3654.1499999999996 3654.1499999999996 3654.1499999999996