condition mean min max ZT0-3 30.939391607500003 28.381797265000003 33.49698595 ZT4-7 17.498338785 16.83087091 18.16580666 ZT8-11 5.0524096494999995 2.116322876 7.988496423 ZT12-15 0.15565176275 0.0089899925 0.302313533 ZT16-19 0.01240562375 0.0 0.0248112475 ZT20-23 0.033222603249999996 0.027183491 0.039261715499999995