condition mean min max 4 h after light 0.601535 0.398194 0.721161 8 h after light 0.8136983333333334 0.208575 1.24655 12 h after light 0.815856 0.344498 1.40667 4 h after dark 2.11116 1.6949 2.74646 8 h after dark 0.8848413333333333 0.251414 1.26992 12 h after dark 0.5410413333333333 0.304737 0.893601