condition mean min max ZT0-3 87.98134999999999 87.98134999999999 87.98134999999999 ZT4-7 75.7496 75.7496 75.7496 ZT8-11 83.70865 83.70865 83.70865 ZT12-15 87.08125000000001 87.08125000000001 87.08125000000001 ZT16-19 102.44545 102.44545 102.44545 ZT20-23 103.59270000000001 103.59270000000001 103.59270000000001