condition mean min max 4 h after light 2.36126 1.07536 4.15574 8 h after light 2.9086936666666667 0.857481 5.44368 12 h after light 3.49956 2.46018 5.21195 4 h after dark 6.3364 5.56604 7.16623 8 h after dark 2.7587 1.91637 3.69778 12 h after dark 1.34679 1.2022 1.60931