condition mean min max 0 h after light 0.8003585 0.564307 1.03641 4 h after light 1.12671 0.86248 1.39094 8 h after light 1.12466 0.57443 1.67489 4 h after dark 0.6935055 0.370941 1.01607 8 h after dark 1.3960650000000001 1.20417 1.58796 12 h after dark 0.6492899999999999 0.563549 0.735031