condition mean min max ZT0-3 103.25 103.25 103.25 ZT4-7 150.0 150.0 150.0 ZT8-11 124.30000000000001 124.30000000000001 124.30000000000001 ZT12-15 123.3 123.3 123.3 ZT16-19 130.7 130.7 130.7 ZT20-23 94.25 94.25 94.25