condition mean min max ZT0-3 4111.05 4111.05 4111.05 ZT4-7 4289.9 4289.9 4289.9 ZT8-11 4366.200000000001 4366.200000000001 4366.200000000001 ZT12-15 4480.549999999999 4480.549999999999 4480.549999999999 ZT16-19 4526.15 4526.15 4526.15 ZT20-23 4147.35 4147.35 4147.35