condition mean min max ZT0-3 83.57141666666666 66.07884999999999 107.30250000000001 ZT4-7 46.2821 46.2821 46.2821 ZT8-11 43.2773 43.2773 43.2773 ZT12-15 94.78205 88.52289999999999 101.0412 ZT16-19 98.6447 98.6447 98.6447 ZT20-23 127.59700000000001 127.59700000000001 127.59700000000001