condition mean min max ZT0-3 1.0480333333333334 0.0 3.1441 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 3.130625 3.130625 3.130625 ZT20-23 0.0 0.0 0.0