condition mean min max ZT0-3 195.99633333333333 193.821 198.17166666666665 ZT4-7 101.99340000000001 101.99340000000001 101.99340000000001 ZT8-11 28.7524 28.7524 28.7524 ZT12-15 97.89722041666667 60.7291075 135.06533333333334 ZT16-19 117.40899999999999 116.511 118.30699999999999 ZT20-23 0 0 0