condition mean min max ZT0-3 93.44475 91.78395 95.10555 ZT4-7 92.6303 92.6303 92.6303 ZT8-11 126.399 126.399 126.399 ZT12-15 0 0 0 ZT16-19 127.682 127.682 127.682 ZT20-23 120.64099999999999 120.64099999999999 120.64099999999999