condition mean min max ZT0-3 13.870249999999999 13.870249999999999 13.870249999999999 ZT4-7 12.4574 12.4574 12.4574 ZT8-11 9.29382 9.29382 9.29382 ZT12-15 10.11295 10.11295 10.11295 ZT16-19 14.226849999999999 14.226849999999999 14.226849999999999 ZT20-23 13.459150000000001 13.459150000000001 13.459150000000001