condition mean min max ZT0-3 105.2235 105.2235 105.2235 ZT4-7 42.75005 42.75005 42.75005 ZT8-11 20.89685 20.89685 20.89685 ZT12-15 37.757999999999996 37.757999999999996 37.757999999999996 ZT16-19 99.23215 99.23215 99.23215 ZT20-23 145.038 145.038 145.038