condition mean min max ZT0-3 2520.82019 2520.82019 2520.82019 ZT4-7 1208.000525 1208.000525 1208.000525 ZT8-11 305.3757175 305.3757175 305.3757175 ZT12-15 194.91092500000002 194.91092500000002 194.91092500000002 ZT16-19 1377.9357545 1377.9357545 1377.9357545 ZT20-23 3310.771392 3310.771392 3310.771392