condition mean min max ZT0-3 147.21525 147.079 147.3515 ZT4-7 134.4225 134.4225 134.4225 ZT8-11 71.81945 71.81945 71.81945 ZT12-15 0 0 0 ZT16-19 14.17405 14.17405 14.17405 ZT20-23 86.13595000000001 86.13595000000001 86.13595000000001