condition mean min max ZT0-3 2402.3 2402.3 2402.3 ZT4-7 2858.7 2858.7 2858.7 ZT8-11 3203.1499999999996 3203.1499999999996 3203.1499999999996 ZT12-15 2893.95 2893.95 2893.95 ZT16-19 2926.9 2926.9 2926.9 ZT20-23 2488.05 2488.05 2488.05