condition mean min max ZT0-3 734.0051983000001 636.9764284 831.0339682000001 ZT4-7 1184.354527325 1123.46946265 1245.239592 ZT8-11 795.86390755 592.4314326499999 999.29638245 ZT12-15 108.05587314499999 63.967382040000004 152.14436425 ZT16-19 133.4146277025 107.71131650499998 159.1179389 ZT20-23 166.574954525 155.39629545000003 177.7536136