condition mean min max ZT0-3 404.39700000000005 404.39700000000005 404.39700000000005 ZT4-7 97.12465 97.12465 97.12465 ZT8-11 105.58495 105.58495 105.58495 ZT12-15 270.78200000000004 270.78200000000004 270.78200000000004 ZT16-19 1113.7485000000001 1113.7485000000001 1113.7485000000001 ZT20-23 943.269 943.269 943.269