condition mean min max ZT0-3 13.814575000000001 13.478950000000001 14.150200000000002 ZT4-7 29.336599999999997 29.336599999999997 29.336599999999997 ZT8-11 18.5211 18.5211 18.5211 ZT12-15 0 0 0 ZT16-19 23.1498 23.1498 23.1498 ZT20-23 28.3431 28.3431 28.3431