condition mean min max ZT0-3 1038.8 1038.8 1038.8 ZT4-7 982.7 982.7 982.7 ZT8-11 1072.15 1072.15 1072.15 ZT12-15 1052.4 1052.4 1052.4 ZT16-19 1099.6 1099.6 1099.6 ZT20-23 1284.5 1284.5 1284.5