condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0196893 0.0 0.0787572 3 h after dark 0.07359346666666666 0.0 0.123104 6 h after dark 0.028128766666666666 0.0 0.0843863 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0