condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 5.467882 0.905264 10.0305 8 h after light 0.59045 0.0 1.1809 4 h after dark 0.814436 0.180352 1.44852 8 h after dark 1.362905 1.17557 1.55024 12 h after dark 1.7510735000000002 0.183387 3.31876