condition mean min max 3 h after light 1.79723 1.28235 2.29873 6 h after light 1.5217766666666668 1.34691 1.82813 9 h after light 2.15608 1.22394 2.91451 12 h after light 2.9146 2.46744 3.66822 3 h after dark 2.4615333333333336 1.59011 3.1049 6 h after dark 2.7637 2.11165 3.17955 9 h after dark 6.1205799999999995 2.02384 13.5093 12 h after dark 1.6245866666666666 1.36901 2.07539