condition mean min max ZT0-3 495.4 495.4 495.4 ZT4-7 449.9 449.9 449.9 ZT8-11 448.05 448.05 448.05 ZT12-15 372.29999999999995 372.29999999999995 372.29999999999995 ZT16-19 388.1 388.1 388.1 ZT20-23 401.0 401.0 401.0