condition mean min max ZT0-3 142.40699999999998 136.583 148.231 ZT4-7 141.036 141.036 141.036 ZT8-11 137.7905 137.7905 137.7905 ZT12-15 0 0 0 ZT16-19 107.7059 107.7059 107.7059 ZT20-23 114.1055 114.1055 114.1055