condition mean min max ZT0-3 57.740700000000004 57.740700000000004 57.740700000000004 ZT4-7 32.1146 32.1146 32.1146 ZT8-11 12.3941 12.3941 12.3941 ZT12-15 17.4729 17.4729 17.4729 ZT16-19 25.27985 25.27985 25.27985 ZT20-23 56.9146 56.9146 56.9146