condition mean min max 0 h after light 2.668 2.58826 2.74774 2 h after light 0.57842 0.0 1.15684 4 h after light 1.3897985 0.336677 2.44292 8 h after light 0.8847555 0.709421 1.06009 12 h after light 1.7171825 0.689925 2.74444 2 h after dark 1.9068425 0.353605 3.46008 4 h after dark 2.709605 1.65058 3.76863 8 h after dark 5.83652 3.47689 8.19615 12 h after dark 4.512755 3.52602 5.49949