condition mean min max ZT0-3 14.55125 14.482299999999999 14.6202 ZT4-7 11.344100000000001 11.344100000000001 11.344100000000001 ZT8-11 11.3026 11.3026 11.3026 ZT12-15 0 0 0 ZT16-19 14.59045 14.59045 14.59045 ZT20-23 14.73925 14.73925 14.73925