condition mean min max ZT0-3 120.16323378499999 94.00865866999999 146.3178089 ZT4-7 37.62308041666667 23.501381040000002 51.74477979333333 ZT8-11 68.491291195 49.99454189 86.98804050000001 ZT12-15 125.050391855 105.83694521000001 144.2638385 ZT16-19 100.54305393333334 91.70473810666667 109.38136976 ZT20-23 63.12283528666667 49.19799991 77.04767066333334