condition mean min max ZT0-3 146.35950000000003 136.44400000000002 156.275 ZT4-7 145.2365 145.2365 145.2365 ZT8-11 115.99549999999999 115.99549999999999 115.99549999999999 ZT12-15 0 0 0 ZT16-19 96.73315 96.73315 96.73315 ZT20-23 102.11285000000001 102.11285000000001 102.11285000000001