condition mean min max ZT0-3 164.9257 120.75540000000001 209.096 ZT4-7 22.696849999999998 22.696849999999998 22.696849999999998 ZT8-11 5.481719999999999 5.481719999999999 5.481719999999999 ZT12-15 0 0 0 ZT16-19 50.4563 50.4563 50.4563 ZT20-23 73.63255000000001 73.63255000000001 73.63255000000001