condition mean min max ZT0-3 60.800000000000004 60.800000000000004 60.800000000000004 ZT4-7 148.7 148.7 148.7 ZT8-11 225.54999999999998 225.54999999999998 225.54999999999998 ZT12-15 163.0 163.0 163.0 ZT16-19 106.95 106.95 106.95 ZT20-23 94.55 94.55 94.55