condition mean min max ZT0-3 38.0654 38.0654 38.0654 ZT4-7 40.231649999999995 40.231649999999995 40.231649999999995 ZT8-11 92.93425 92.93425 92.93425 ZT12-15 90.91390000000001 90.91390000000001 90.91390000000001 ZT16-19 18.4182 18.4182 18.4182 ZT20-23 21.3189 21.3189 21.3189