condition mean min max ZT0-3 1692.75 1692.75 1692.75 ZT4-7 1567.3 1567.3 1567.3 ZT8-11 1721.35 1721.35 1721.35 ZT12-15 1307.65 1307.65 1307.65 ZT16-19 1224.4 1224.4 1224.4 ZT20-23 1664.45 1664.45 1664.45