condition mean min max ZT0-3 0.22355997500000002 0.14294294999999999 0.30417700000000003 ZT4-7 0.4784965 0.4784965 0.4784965 ZT8-11 0.5474265 0.5474265 0.5474265 ZT12-15 0 0 0 ZT16-19 0.351003 0.351003 0.351003 ZT20-23 0.3522195 0.3522195 0.3522195