condition mean min max ZT0-3 804.05 804.05 804.05 ZT4-7 843.0 843.0 843.0 ZT8-11 821.55 821.55 821.55 ZT12-15 915.25 915.25 915.25 ZT16-19 963.4 963.4 963.4 ZT20-23 888.45 888.45 888.45