condition mean min max ZT0-3 262.85 262.85 262.85 ZT4-7 159.4 159.4 159.4 ZT8-11 179.9 179.9 179.9 ZT12-15 218.9 218.9 218.9 ZT16-19 263.15 263.15 263.15 ZT20-23 282.05 282.05 282.05