condition mean min max ZT0-3 432.75 432.75 432.75 ZT4-7 413.7 413.7 413.7 ZT8-11 380.95000000000005 380.95000000000005 380.95000000000005 ZT12-15 373.75 373.75 373.75 ZT16-19 429.15 429.15 429.15 ZT20-23 423.0 423.0 423.0