condition mean min max ZT0-3 90.525631 90.525631 90.525631 ZT4-7 86.5513145 86.5513145 86.5513145 ZT8-11 99.976473 99.976473 99.976473 ZT12-15 94.3511215 94.3511215 94.3511215 ZT16-19 102.51415 102.51415 102.51415 ZT20-23 90.06890250000001 90.06890250000001 90.06890250000001