condition mean min max ZT0-3 114.57775000000001 111.4925 117.663 ZT4-7 108.831 108.831 108.831 ZT8-11 69.30625 69.30625 69.30625 ZT12-15 0 0 0 ZT16-19 105.06184999999999 105.06184999999999 105.06184999999999 ZT20-23 112.47149999999999 112.47149999999999 112.47149999999999