condition mean min max ZT0-3 98.92823909750001 87.716162995 110.1403152 ZT4-7 58.25253653 54.540352055 61.964721005 ZT8-11 54.1608191925 45.829263695 62.492374690000005 ZT12-15 79.38025985499999 73.48363662 85.27688309 ZT16-19 87.41883245 83.826510465 91.01115443500001 ZT20-23 101.36930051750001 93.79721308500001 108.94138795