condition mean min max ZT0-3 392.6 392.6 392.6 ZT4-7 243.5 243.5 243.5 ZT8-11 308.15 308.15 308.15 ZT12-15 382.7 382.7 382.7 ZT16-19 338.3 338.3 338.3 ZT20-23 351.54999999999995 351.54999999999995 351.54999999999995