condition mean min max ZT0-3 65.2862119425 37.65480863 92.917615255 ZT4-7 192.88525507499998 167.94175205 217.8287581 ZT8-11 107.2300386075 71.931962755 142.52811446 ZT12-15 6.6089274614999995 0.050640581999999996 13.167214341 ZT16-19 0.41464854650000005 0.356447107 0.47284998600000006 ZT20-23 0.25781795575 0.25194897250000003 0.263686939