condition mean min max 3 h after light 0.55516775 0.136204 1.10836 7 h after light 0.55124775 0.247683 0.84211 11 h after light 0.5584235833333333 0.268243 0.936431 2 h after dark 0.5930840833333333 0.307685 1.18646 6 h after dark 0.62539875 0.268227 0.980922 10 h after dark 0.6125774166666667 0.0 1.03977