condition mean min max ZT0-3 81.62136075583334 74.919731695 88.32298981666668 ZT4-7 103.653726635 96.47318332 110.83426995 ZT8-11 96.12353775666668 73.49631731333334 118.7507582 ZT12-15 48.029774958333334 47.59628977 48.46326014666667 ZT16-19 79.429227285 64.12894567000001 94.7295089 ZT20-23 133.74026259833335 122.51081426333334 144.96971093333335