condition mean min max ZT0-3 1047.05 1047.05 1047.05 ZT4-7 1045.9 1045.9 1045.9 ZT8-11 1108.0 1108.0 1108.0 ZT12-15 992.1 992.1 992.1 ZT16-19 922.65 922.65 922.65 ZT20-23 982.25 982.25 982.25