condition mean min max 0 h after light 0.0197525 0.0 0.039505 2 h after light 0.018381 0.0 0.036762 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.01842825 0.0 0.0368565 2 h after dark 0.0410758 0.0 0.0821516 4 h after dark 0.0529055 0.0 0.105811 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0376727 0.0 0.0753454