condition mean min max ZT0-3 1028.184 1028.184 1028.184 ZT4-7 924.241 924.241 924.241 ZT8-11 853.0115000000001 853.0115000000001 853.0115000000001 ZT12-15 847.809 847.809 847.809 ZT16-19 1217.46 1217.46 1217.46 ZT20-23 1173.54 1173.54 1173.54