condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.053703 0.0 0.107406 8 h after light 0.0 0.0 0.0 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