condition mean min max ZT0-3 141.0 141.0 141.0 ZT4-7 215.1 215.1 215.1 ZT8-11 179.6 179.6 179.6 ZT12-15 124.95 124.95 124.95 ZT16-19 120.89999999999999 120.89999999999999 120.89999999999999 ZT20-23 147.89999999999998 147.89999999999998 147.89999999999998