condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01163999125 0.0 0.0232799825 ZT12-15 0.08008972674999999 0.0486289225 0.111550531 ZT16-19 0.10163065075 0.063112863 0.1401484385 ZT20-23 0.040121063 0.029569751000000002 0.050672375