condition mean min max ZT0-3 87.55959999999999 74.5835 100.53569999999999 ZT4-7 66.31775 66.31775 66.31775 ZT8-11 91.1159 91.1159 91.1159 ZT12-15 0 0 0 ZT16-19 114.30099999999999 114.30099999999999 114.30099999999999 ZT20-23 120.7365 120.7365 120.7365