condition mean min max ZT0-3 133.92215000000002 97.99895000000001 186.287 ZT4-7 149.348 149.348 149.348 ZT8-11 74.8476 74.8476 74.8476 ZT12-15 135.654 126.6455 144.6625 ZT16-19 78.58475 78.58475 78.58475 ZT20-23 83.44175 83.44175 83.44175