condition mean min max ZT0-3 109.498847 109.498847 109.498847 ZT4-7 104.704926 104.704926 104.704926 ZT8-11 108.179394 108.179394 108.179394 ZT12-15 126.49392649999999 126.49392649999999 126.49392649999999 ZT16-19 131.5971865 131.5971865 131.5971865 ZT20-23 126.3449425 126.3449425 126.3449425