condition mean min max ZT0-3 110.49583333333334 101.5015 121.0905 ZT4-7 89.8707 89.8707 89.8707 ZT8-11 62.1261 62.1261 62.1261 ZT12-15 40.59115 36.50085 44.68145 ZT16-19 41.84995 41.84995 41.84995 ZT20-23 65.41665 65.41665 65.41665