condition mean min max ZT0-3 128.02746635833333 117.86468776666668 138.19024495 ZT4-7 105.68610294999999 99.60224683999999 111.76995906 ZT8-11 101.388256355 96.27128171333334 106.50523099666665 ZT12-15 104.36801040666667 100.08554391333334 108.6504769 ZT16-19 97.79059362833333 96.35873265666666 99.22245459999999 ZT20-23 97.33543561833334 95.94853481 98.72233642666667