condition mean min max ZT0-3 69.99095 28.9462 111.03569999999999 ZT4-7 50.6023 50.6023 50.6023 ZT8-11 73.1317 73.1317 73.1317 ZT12-15 114.13725833333332 86.17585 142.09866666666665 ZT16-19 264.355 253.39499999999998 275.315 ZT20-23 0 0 0