condition mean min max ZT0-3 523.5025 523.5025 523.5025 ZT4-7 455.2975 455.2975 455.2975 ZT8-11 386.571 386.571 386.571 ZT12-15 403.4895 403.4895 403.4895 ZT16-19 476.3505 476.3505 476.3505 ZT20-23 504.5835 504.5835 504.5835