condition mean min max ZT0-3 1788.85 1788.85 1788.85 ZT4-7 2032.0 2032.0 2032.0 ZT8-11 2212.1 2212.1 2212.1 ZT12-15 2448.95 2448.95 2448.95 ZT16-19 1770.2 1770.2 1770.2 ZT20-23 1489.0 1489.0 1489.0