condition mean min max ZT0-3 129.39525 127.836 130.9545 ZT4-7 139.898 139.898 139.898 ZT8-11 41.0965 41.0965 41.0965 ZT12-15 0 0 0 ZT16-19 101.48405 101.48405 101.48405 ZT20-23 149.1055 149.1055 149.1055