condition mean min max ZT0-3 948.55 948.55 948.55 ZT4-7 1013.9 1013.9 1013.9 ZT8-11 829.25 829.25 829.25 ZT12-15 780.15 780.15 780.15 ZT16-19 763.6 763.6 763.6 ZT20-23 852.25 852.25 852.25