condition mean min max ZT0-3 13.0512511025 6.2941786749999995 19.80832353 ZT4-7 45.653037605 34.98873633 56.31733888 ZT8-11 79.040891125 62.13449822 95.94728402999999 ZT12-15 106.515964535 88.37018118333333 124.66174788666666 ZT16-19 67.077586055 60.01309238333334 74.14207972666667 ZT20-23 56.51550799 46.60197541 66.42904057