condition mean min max 0 h after light 0.158389 0.0 0.316778 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.063575 0.0 0.12715 4 h after dark 0.0258951 0.0 0.0517902 8 h after dark 0.0623665 0.0 0.124733 12 h after dark 0.160104 0.0 0.320208