condition mean min max ZT0-3 101.07435 101.07435 101.07435 ZT4-7 88.27709999999999 88.27709999999999 88.27709999999999 ZT8-11 66.98575 66.98575 66.98575 ZT12-15 65.94615 65.94615 65.94615 ZT16-19 69.303 69.303 69.303 ZT20-23 83.43558333333334 83.43558333333334 83.43558333333334