condition mean min max ZT0-3 32.042439047500004 21.78599642 42.298881675000004 ZT4-7 44.0734710925 43.924194145 44.22274804 ZT8-11 39.2187903875 34.43241818 44.005162595 ZT12-15 33.7103668775 30.342848935 37.07788482 ZT16-19 32.341882857499996 30.885424395 33.79834132 ZT20-23 42.417660670000004 38.01167556 46.82364578