condition mean min max ZT0-3 1679.65 1679.65 1679.65 ZT4-7 1097.0 1097.0 1097.0 ZT8-11 1175.45 1175.45 1175.45 ZT12-15 1626.2 1626.2 1626.2 ZT16-19 1697.3 1697.3 1697.3 ZT20-23 1828.7 1828.7 1828.7