condition mean min max ZT0-3 10.60068 10.60068 10.60068 ZT4-7 9.36516 9.36516 9.36516 ZT8-11 10.374600000000001 10.374600000000001 10.374600000000001 ZT12-15 10.66968 10.66968 10.66968 ZT16-19 14.7882 14.7882 14.7882 ZT20-23 9.638715000000001 9.638715000000001 9.638715000000001