condition mean min max ZT0-3 0.9056575 0.9056575 0.9056575 ZT4-7 0.4340345 0.4340345 0.4340345 ZT8-11 0.399322 0.399322 0.399322 ZT12-15 0.84043 0.84043 0.84043 ZT16-19 0.8866155 0.8866155 0.8866155 ZT20-23 1.12907 1.12907 1.12907