condition mean min max ZT0-3 103.30000000000001 103.30000000000001 103.30000000000001 ZT4-7 40.2 40.2 40.2 ZT8-11 45.0 45.0 45.0 ZT12-15 53.800000000000004 53.800000000000004 53.800000000000004 ZT16-19 102.0 102.0 102.0 ZT20-23 59.1 59.1 59.1