condition mean min max ZT0-3 4033.1 4033.1 4033.1 ZT4-7 4583.2 4583.2 4583.2 ZT8-11 4269.75 4269.75 4269.75 ZT12-15 4079.0 4079.0 4079.0 ZT16-19 3785.25 3785.25 3785.25 ZT20-23 4084.2 4084.2 4084.2