condition mean min max ZT0-3 1408.105 1315.9050000000002 1500.3049999999998 ZT4-7 1716.3400000000001 1716.3400000000001 1716.3400000000001 ZT8-11 1030.893 1030.893 1030.893 ZT12-15 0 0 0 ZT16-19 630.2935 630.2935 630.2935 ZT20-23 1045.8 1045.8 1045.8