condition mean min max ZT0-3 9.698375e-08 0.0 1.939675e-07 ZT4-7 4.338475 4.338475 4.338475 ZT8-11 111.9705 111.9705 111.9705 ZT12-15 0 0 0 ZT16-19 4.68822 4.68822 4.68822 ZT20-23 1.89551 1.89551 1.89551