condition mean min max ZT0-3 106.52342 106.52342 106.52342 ZT4-7 121.4957325 121.4957325 121.4957325 ZT8-11 129.8597555 129.8597555 129.8597555 ZT12-15 126.3951375 126.3951375 126.3951375 ZT16-19 120.0090715 120.0090715 120.0090715 ZT20-23 134.7211265 134.7211265 134.7211265