condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.044052666666666664 0.0 0.132158 12 h after light 0.1039953 0.0 0.219634 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0