condition mean min max ZT0-3 101.38589999999999 98.7328 104.03899999999999 ZT4-7 110.11850000000001 110.11850000000001 110.11850000000001 ZT8-11 135.2455 135.2455 135.2455 ZT12-15 0 0 0 ZT16-19 131.827 131.827 131.827 ZT20-23 154.7555 154.7555 154.7555