condition mean min max ZT0-3 355.72596 355.72596 355.72596 ZT4-7 754.8167900000001 754.8167900000001 754.8167900000001 ZT8-11 139.866421 139.866421 139.866421 ZT12-15 358.66619000000003 358.66619000000003 358.66619000000003 ZT16-19 74.4059135 74.4059135 74.4059135 ZT20-23 106.37030999999999 106.37030999999999 106.37030999999999