condition mean min max 4 h after light 0.04657505 0.0 0.0931501 8 h after light 0.0127308 0.0 0.0254616 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.012405266666666666 0.0 0.0372158 12 h after dark 0.005781666666666667 0.0 0.017345