condition mean min max ZT0-3 96.6 96.6 96.6 ZT4-7 154.0 154.0 154.0 ZT8-11 150.14999999999998 150.14999999999998 150.14999999999998 ZT12-15 194.75 194.75 194.75 ZT16-19 186.45 186.45 186.45 ZT20-23 133.10000000000002 133.10000000000002 133.10000000000002