condition mean min max ZT0-3 307.1775 277.062 337.293 ZT4-7 615.923 615.923 615.923 ZT8-11 230.06650000000002 230.06650000000002 230.06650000000002 ZT12-15 0 0 0 ZT16-19 192.465 192.465 192.465 ZT20-23 253.8475 253.8475 253.8475