condition mean min max ZT0-3 2413.95 2413.95 2413.95 ZT4-7 2113.7 2113.7 2113.7 ZT8-11 2097.3 2097.3 2097.3 ZT12-15 2454.6000000000004 2454.6000000000004 2454.6000000000004 ZT16-19 2321.1499999999996 2321.1499999999996 2321.1499999999996 ZT20-23 2248.1499999999996 2248.1499999999996 2248.1499999999996