condition mean min max ZT0-3 0.97778244625 0.7440291509999999 1.2115357415 ZT4-7 0.485776429 0.1265980655 0.8449547925 ZT8-11 0.3610945165 0.3287410185 0.3934480145 ZT12-15 12.40007237075 10.2613331465 14.538811595 ZT16-19 13.45149244275 10.5467413205 16.356243565 ZT20-23 10.982777326499999 9.2402124255 12.7253422275