condition mean min max 4 h after light 0.61244 0.604781 0.620099 8 h after light 0.8321155 0.831243 0.832988 12 h after light 1.969895 1.90511 2.03468 4 h after dark 3.133265 2.9538 3.31273 8 h after dark 2.0225150000000003 2.00922 2.03581 12 h after dark 1.27204 1.06664 1.47744