condition mean min max ZT0-3 145.37575 134.57600000000002 156.1755 ZT4-7 131.529 131.529 131.529 ZT8-11 213.22449999999998 213.22449999999998 213.22449999999998 ZT12-15 0 0 0 ZT16-19 229.275 229.275 229.275 ZT20-23 168.9235 168.9235 168.9235