condition mean min max ZT0-3 1193.85 1193.85 1193.85 ZT4-7 1142.9 1142.9 1142.9 ZT8-11 1071.55 1071.55 1071.55 ZT12-15 1028.25 1028.25 1028.25 ZT16-19 1054.1 1054.1 1054.1 ZT20-23 1061.4 1061.4 1061.4