condition mean min max ZT0-3 6.24830293825 2.9955846580000003 9.5010212185 ZT4-7 28.370642377499998 18.781669954999998 37.9596148 ZT8-11 94.6434686625 66.39689377 122.890043555 ZT12-15 188.807940575 175.7904235 201.82545765 ZT16-19 134.413265825 128.47999850000002 140.34653315 ZT20-23 106.28814323 105.16095600999999 107.41533045