condition mean min max ZT0-3 93.0063 90.18965 95.82294999999999 ZT4-7 118.62100000000001 118.62100000000001 118.62100000000001 ZT8-11 60.2191 60.2191 60.2191 ZT12-15 0 0 0 ZT16-19 66.74225 66.74225 66.74225 ZT20-23 94.1243 94.1243 94.1243