condition mean min max ZT0-3 1063.7804999999998 982.116 1145.445 ZT4-7 1008.874 1008.874 1008.874 ZT8-11 632.469 632.469 632.469 ZT12-15 0 0 0 ZT16-19 1157.135 1157.135 1157.135 ZT20-23 1157.795 1157.795 1157.795