condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.021365666666666668 0.0 0.128194 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.01280895 0.0 0.0768537 2 h after dark 0.015513983333333333 0.0 0.0930839