condition mean min max ZT0-3 101.24222221 101.24222221 101.24222221 ZT4-7 96.43055555666666 96.43055555666666 96.43055555666666 ZT8-11 96.07000000000001 96.07000000000001 96.07000000000001 ZT12-15 76.03222222333333 76.03222222333333 76.03222222333333 ZT16-19 91.8611111 91.8611111 91.8611111 ZT20-23 86.62111110000001 86.62111110000001 86.62111110000001