condition mean min max ZT0-3 72.40305000000001 72.40305000000001 72.40305000000001 ZT4-7 48.03695 48.03695 48.03695 ZT8-11 55.47765 55.47765 55.47765 ZT12-15 73.23805 73.23805 73.23805 ZT16-19 94.57765 94.57765 94.57765 ZT20-23 89.0487 89.0487 89.0487