condition mean min max ZT0-3 14.519649999999999 14.370049999999999 14.66925 ZT4-7 13.9528 13.9528 13.9528 ZT8-11 10.586405 10.586405 10.586405 ZT12-15 0 0 0 ZT16-19 12.41245 12.41245 12.41245 ZT20-23 14.02585 14.02585 14.02585