condition mean min max ZT0-3 112.554025 67.59105 157.517 ZT4-7 118.8769 118.8769 118.8769 ZT8-11 78.13275 78.13275 78.13275 ZT12-15 0 0 0 ZT16-19 280.55150000000003 280.55150000000003 280.55150000000003 ZT20-23 162.46699999999998 162.46699999999998 162.46699999999998