condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01400625 0.01400625 0.01400625 ZT12-15 0.009118083333333334 0.009118083333333334 0.009118083333333334 ZT16-19 0.028704749999999998 0.028704749999999998 0.028704749999999998 ZT20-23 0.0 0.0 0.0