condition mean min max ZT0-3 34.5428 34.5428 34.5428 ZT4-7 36.384550000000004 36.384550000000004 36.384550000000004 ZT8-11 21.3138 21.3138 21.3138 ZT12-15 22.25725 22.25725 22.25725 ZT16-19 30.52945 30.52945 30.52945 ZT20-23 29.705750000000002 29.705750000000002 29.705750000000002