condition mean min max ZT0-3 10.30366 10.18525 10.42207 ZT4-7 11.24027 11.24027 11.24027 ZT8-11 33.88945 33.88945 33.88945 ZT12-15 0 0 0 ZT16-19 30.3217 30.3217 30.3217 ZT20-23 19.42525 19.42525 19.42525