condition mean min max ZT0-3 72.840034 72.840034 72.840034 ZT4-7 77.159726 77.159726 77.159726 ZT8-11 90.53786099999999 90.53786099999999 90.53786099999999 ZT12-15 100.65203249999999 100.65203249999999 100.65203249999999 ZT16-19 94.97863050000001 94.97863050000001 94.97863050000001 ZT20-23 101.80991700000001 101.80991700000001 101.80991700000001