condition mean min max ZT0-3 68.0 68.0 68.0 ZT4-7 118.2 118.2 118.2 ZT8-11 128.7 128.7 128.7 ZT12-15 98.3 98.3 98.3 ZT16-19 100.15 100.15 100.15 ZT20-23 93.30000000000001 93.30000000000001 93.30000000000001