condition mean min max 4 h after light 1.0749275 0.608015 1.54184 8 h after light 0.3949915 0.0 0.789983 12 h after light 0.2834875 0.0 0.566975 4 h after dark 0.0 0.0 0.0 8 h after dark 0.7064733333333333 0.0 2.11942 12 h after dark 0.2647 0.0 0.7941