condition mean min max ZT0-3 292.1 292.1 292.1 ZT4-7 288.3 288.3 288.3 ZT8-11 300.1 300.1 300.1 ZT12-15 321.5 321.5 321.5 ZT16-19 322.0 322.0 322.0 ZT20-23 327.85 327.85 327.85