condition mean min max ZT0-3 67.43376666666667 59.4415 73.50485 ZT4-7 84.9973 84.9973 84.9973 ZT8-11 105.8499 105.8499 105.8499 ZT12-15 105.34582499999999 93.41265 117.279 ZT16-19 114.2545 114.2545 114.2545 ZT20-23 84.70675 84.70675 84.70675