condition mean min max ZT0-3 55.050200000000004 49.85045 60.24995 ZT4-7 57.98565 57.98565 57.98565 ZT8-11 98.89255 98.89255 98.89255 ZT12-15 0 0 0 ZT16-19 120.96695 120.96695 120.96695 ZT20-23 101.76384999999999 101.76384999999999 101.76384999999999