condition mean min max ZT0-3 0.5811715 0.209125 0.882944 ZT4-7 0.4167365 0.4167365 0.4167365 ZT8-11 0.2147695 0.2147695 0.2147695 ZT12-15 0.9990530000000001 0.86728 1.130826 ZT16-19 0.60192 0.60192 0.60192 ZT20-23 0.914095 0.914095 0.914095