condition mean min max ZT0-3 210.80975 198.6565 222.963 ZT4-7 180.0 180.0 180.0 ZT8-11 190.3665 190.3665 190.3665 ZT12-15 0 0 0 ZT16-19 284.086 284.086 284.086 ZT20-23 278.2835 278.2835 278.2835