condition mean min max ZT0-3 690.0 690.0 690.0 ZT4-7 502.7 502.7 502.7 ZT8-11 365.15 365.15 365.15 ZT12-15 135.0 135.0 135.0 ZT16-19 119.55 119.55 119.55 ZT20-23 270.4 270.4 270.4