condition mean min max ZT0-3 4272.9 4272.9 4272.9 ZT4-7 4193.0 4193.0 4193.0 ZT8-11 4179.45 4179.45 4179.45 ZT12-15 4116.4 4116.4 4116.4 ZT16-19 4632.0 4632.0 4632.0 ZT20-23 5109.200000000001 5109.200000000001 5109.200000000001