condition mean min max ZT0-3 205.16025000000002 187.9745 222.346 ZT4-7 228.7355 228.7355 228.7355 ZT8-11 176.071 176.071 176.071 ZT12-15 0 0 0 ZT16-19 254.1265 254.1265 254.1265 ZT20-23 303.3415 303.3415 303.3415