condition mean min max ZT0-3 80.2416 80.2416 80.2416 ZT4-7 70.7457 70.7457 70.7457 ZT8-11 102.01249999999999 102.01249999999999 102.01249999999999 ZT12-15 91.8537 91.8537 91.8537 ZT16-19 84.36779999999999 84.36779999999999 84.36779999999999 ZT20-23 91.19465 91.19465 91.19465